path: root/2024/info/shell-after.md

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<div class="transcript transcript-mainVideo"><a name="shell-mainVideo-transcript"></a><h1>Transcript</h1>


<div class="transcript-heading">[[!template new="1" text="""Introduction""" start="00:00:02.940" video="mainVideo-shell" id="subtitle"]]</div>[[!template text="""Welcome to Emacs as a Shell, a talk by Christopher Howard for""" start="00:00:02.940" video="mainVideo-shell" id="subtitle"]]
[[!template text="""Emacs Conference 2024.""" start="00:00:08.720" video="mainVideo-shell" id="subtitle"]]
[[!template text="""In this talk, I would like to explore, or advocate for, a""" start="00:00:13.800" video="mainVideo-shell" id="subtitle"]]
[[!template text="""particular perspective. I want to encourage people to""" start="00:00:18.400" video="mainVideo-shell" id="subtitle"]]
[[!template text="""think of Emacs not as simply an editor or a development""" start="00:00:21.920" video="mainVideo-shell" id="subtitle"]]
[[!template text="""environment, but rather as a shell, or at least something""" start="00:00:26.480" video="mainVideo-shell" id="subtitle"]]
[[!template text="""that allows us to do most of the things that we might""" start="00:00:31.120" video="mainVideo-shell" id="subtitle"]]
[[!template text="""otherwise want to do from a shell.""" start="00:00:33.920" video="mainVideo-shell" id="subtitle"]]

<div class="transcript-heading">[[!template new="1" text="""What do I mean by shell?""" start="00:00:37.881" video="mainVideo-shell" id="subtitle"]]</div>[[!template text="""What do I mean by shell? By""" start="00:00:37.881" video="mainVideo-shell" id="subtitle"]]
[[!template text="""shell, I mean basically an interface that allows us to""" start="00:00:40.840" video="mainVideo-shell" id="subtitle"]]
[[!template text="""interact with the rest of our system by entering commands.""" start="00:00:45.440" video="mainVideo-shell" id="subtitle"]]
[[!template text="""That definition is, perhaps, a little too broad, and so I""" start="00:00:50.680" video="mainVideo-shell" id="subtitle"]]
[[!template text="""will try to narrow it down with a list of features that,""" start="00:00:55.040" video="mainVideo-shell" id="subtitle"]]
[[!template text="""historically, we have come to expect from a shell. The Bash""" start="00:00:58.440" video="mainVideo-shell" id="subtitle"]]
[[!template text="""shell is one very portable and well-known shell, and for""" start="00:01:03.280" video="mainVideo-shell" id="subtitle"]]
[[!template text="""many of us it is maybe the prototypical example. But in the""" start="00:01:07.720" video="mainVideo-shell" id="subtitle"]]
[[!template text="""past there have been many other shells, and there are other""" start="00:01:13.600" video="mainVideo-shell" id="subtitle"]]
[[!template text="""shells available today. If we are willing to be flexible in""" start="00:01:16.880" video="mainVideo-shell" id="subtitle"]]
[[!template text="""our thinking, we can think of Emacs as being a shell, or at""" start="00:01:21.120" video="mainVideo-shell" id="subtitle"]]
[[!template text="""least providing most of the functionality that we expect""" start="00:01:25.560" video="mainVideo-shell" id="subtitle"]]
[[!template text="""from a shell.""" start="00:01:28.880" video="mainVideo-shell" id="subtitle"]]

<div class="transcript-heading">[[!template new="1" text="""What I do not mean""" start="00:01:38.560" video="mainVideo-shell" id="subtitle"]]</div>[[!template text="""Before further expanding on this idea, I must emphasize""" start="00:01:38.560" video="mainVideo-shell" id="subtitle"]]
[[!template text="""what I do not mean. First of all, I am not talking about""" start="00:01:42.760" video="mainVideo-shell" id="subtitle"]]
[[!template text="""running Bash, or some other external shell, from within""" start="00:01:47.160" video="mainVideo-shell" id="subtitle"]]
[[!template text="""Emacs, although this is certainly possible. I am arguing,""" start="00:01:51.440" video="mainVideo-shell" id="subtitle"]]
[[!template text="""rather, for using Emacs as a shell, instead of other shells.""" start="00:01:56.440" video="mainVideo-shell" id="subtitle"]]
[[!template text="""Second, I do not mean running a terminal emulator from""" start="00:02:02.440" video="mainVideo-shell" id="subtitle"]]
[[!template text="""within Emacs. Emacs has a built-in terminal emulator, but""" start="00:02:06.240" video="mainVideo-shell" id="subtitle"]]
[[!template text="""this is not what I mean. A terminal emulator is essentially a""" start="00:02:11.400" video="mainVideo-shell" id="subtitle"]]
[[!template text="""program designed to control the cursor and text appearance""" start="00:02:15.840" video="mainVideo-shell" id="subtitle"]]
[[!template text="""in response to various control codes in order to mimic a""" start="00:02:20.040" video="mainVideo-shell" id="subtitle"]]
[[!template text="""terminal display device. There are certainly legitimate""" start="00:02:24.000" video="mainVideo-shell" id="subtitle"]]
[[!template text="""reasons to do this. Nevertheless, in general, it does not""" start="00:02:28.440" video="mainVideo-shell" id="subtitle"]]
[[!template text="""make much sense to run a terminal emulator within Emacs,""" start="00:02:32.560" video="mainVideo-shell" id="subtitle"]]
[[!template text="""because Emacs has its own commands for controlling the""" start="00:02:36.520" video="mainVideo-shell" id="subtitle"]]
[[!template text="""cursor and text appearance. Also, due to the way Emacs was""" start="00:02:39.720" video="mainVideo-shell" id="subtitle"]]
[[!template text="""designed historically, Emacs itself believes that it is""" start="00:02:45.040" video="mainVideo-shell" id="subtitle"]]
[[!template text="""running on a terminal. So you end up with layers upon layers""" start="00:02:48.920" video="mainVideo-shell" id="subtitle"]]
[[!template text="""of terminal emulation. Anyhow, at the end of the day, Emacs""" start="00:02:53.120" video="mainVideo-shell" id="subtitle"]]
[[!template text="""will not perform as well as a dedicated terminal emulator""" start="00:02:58.200" video="mainVideo-shell" id="subtitle"]]
[[!template text="""program. I also think that, as we try to force ANSI terminal""" start="00:03:01.840" video="mainVideo-shell" id="subtitle"]]
[[!template text="""emulation into our Emacs workflow, this ultimately will be""" start="00:03:08.080" video="mainVideo-shell" id="subtitle"]]
[[!template text="""a hindrance to us in taking advantage of the natural and""" start="00:03:12.360" video="mainVideo-shell" id="subtitle"]]
[[!template text="""pleasant interfaces that are already available to us""" start="00:03:15.880" video="mainVideo-shell" id="subtitle"]]
[[!template text="""within Emacs. In brief, if your goal is simply to figure out""" start="00:03:19.320" video="mainVideo-shell" id="subtitle"]]
[[!template text="""how to be able to do all your normal Bash command line""" start="00:03:25.000" video="mainVideo-shell" id="subtitle"]]
[[!template text="""wizardry from within an Emacs window instead of a GNOME""" start="00:03:28.500" video="mainVideo-shell" id="subtitle"]]
[[!template text="""console window, you are headed down a different set of train""" start="00:03:32.360" video="mainVideo-shell" id="subtitle"]]
[[!template text="""tracks than I am. Also, something which I fear may confuse""" start="00:03:36.480" video="mainVideo-shell" id="subtitle"]]
[[!template text="""the issue for some viewers is the fact that Emacs ships with""" start="00:03:43.200" video="mainVideo-shell" id="subtitle"]]
[[!template text="""its own unique built-in shell, called the Emacs shell, or""" start="00:03:47.920" video="mainVideo-shell" id="subtitle"]]
[[!template text="""Eshell.""" start="00:03:52.840" video="mainVideo-shell" id="subtitle"]]
[[!template text="""Eshell aims to be a legitimate shell, and provides a very""" start="00:03:59.080" video="mainVideo-shell" id="subtitle"]]
[[!template text="""similar experience to other shells like Bash, while being""" start="00:04:02.960" video="mainVideo-shell" id="subtitle"]]
[[!template text="""well integrated into the Emacs interface, and without""" start="00:04:07.600" video="mainVideo-shell" id="subtitle"]]
[[!template text="""giving up the power of the Emacs Lisp engine. Eshell will be""" start="00:04:11.120" video="mainVideo-shell" id="subtitle"]]
[[!template text="""mentioned multiple times in this talk. The entire talk""" start="00:04:15.640" video="mainVideo-shell" id="subtitle"]]
[[!template text="""could, in fact, be about Eshell, except that I want the talk""" start="00:04:19.140" video="mainVideo-shell" id="subtitle"]]
[[!template text="""to cover all aspects of Emacs shell-like functionality""" start="00:04:24.180" video="mainVideo-shell" id="subtitle"]]
[[!template text="""through its other tools, such as interactive commands and""" start="00:04:28.320" video="mainVideo-shell" id="subtitle"]]
[[!template text="""special modes. So, hopefully we can keep distinct in our""" start="00:04:32.080" video="mainVideo-shell" id="subtitle"]]
[[!template text="""mind the ideas of Emacs as a shell versus the Emacs shell,""" start="00:04:37.080" video="mainVideo-shell" id="subtitle"]]
[[!template text="""though the latter is an important part of the former.""" start="00:04:43.880" video="mainVideo-shell" id="subtitle"]]

<div class="transcript-heading">[[!template new="1" text="""What is a shell?""" start="00:04:50.160" video="mainVideo-shell" id="subtitle"]]</div>[[!template text="""Let's get back to the fundamental idea of what is a shell. In""" start="00:04:50.160" video="mainVideo-shell" id="subtitle"]]
[[!template text="""the broadest definition, a shell is an interface which""" start="00:04:55.400" video="mainVideo-shell" id="subtitle"]]
[[!template text="""allows you to interact with your operating system through""" start="00:04:59.160" video="mainVideo-shell" id="subtitle"]]
[[!template text="""commands. However, from a historical perspective, there""" start="00:05:02.280" video="mainVideo-shell" id="subtitle"]]
[[!template text="""are a few basic capabilities which we expect to be part of""" start="00:05:06.841" video="mainVideo-shell" id="subtitle"]]
[[!template text="""every shell.""" start="00:05:10.700" video="mainVideo-shell" id="subtitle"]]
[[!template text="""First of all, the shell provides a means of launching""" start="00:05:17.881" video="mainVideo-shell" id="subtitle"]]
[[!template text="""external programs. Some internal or built-in commands""" start="00:05:21.421" video="mainVideo-shell" id="subtitle"]]
[[!template text="""might also be made available. Second, the shell provides a""" start="00:05:26.441" video="mainVideo-shell" id="subtitle"]]
[[!template text="""means of managing environment variables. In the past,""" start="00:05:31.680" video="mainVideo-shell" id="subtitle"]]
[[!template text="""environment variables often played a critical role as a""" start="00:05:36.821" video="mainVideo-shell" id="subtitle"]]
[[!template text="""means of passing in options, file names, device names, and""" start="00:05:40.581" video="mainVideo-shell" id="subtitle"]]
[[!template text="""suchlike to external programs. This is not quite as common""" start="00:05:45.361" video="mainVideo-shell" id="subtitle"]]
[[!template text="""today, but the environment still plays a critical role in""" start="00:05:50.120" video="mainVideo-shell" id="subtitle"]]
[[!template text="""managing things such as the path to executables and""" start="00:05:54.081" video="mainVideo-shell" id="subtitle"]]
[[!template text="""libraries, as well as various other user, desktop, and""" start="00:05:57.620" video="mainVideo-shell" id="subtitle"]]
[[!template text="""system settings. The shell modifies the environment and""" start="00:06:03.081" video="mainVideo-shell" id="subtitle"]]
[[!template text="""passes it on to external programs.""" start="00:06:08.281" video="mainVideo-shell" id="subtitle"]]
[[!template text="""Historically, job control was expected to be either a""" start="00:06:13.540" video="mainVideo-shell" id="subtitle"]]
[[!template text="""function of the shell, or easily accessible from it.""" start="00:06:17.581" video="mainVideo-shell" id="subtitle"]]
[[!template text="""Usually today, our personal computing is not""" start="00:06:21.561" video="mainVideo-shell" id="subtitle"]]
[[!template text="""batch-oriented. But typically, shells can run multiple""" start="00:06:24.020" video="mainVideo-shell" id="subtitle"]]
[[!template text="""processes simultaneously, as well as provide means to""" start="00:06:29.281" video="mainVideo-shell" id="subtitle"]]
[[!template text="""suspend and terminate processes, which are useful""" start="00:06:34.600" video="mainVideo-shell" id="subtitle"]]
[[!template text="""features. Shells should be able to redirect and pipeline""" start="00:06:38.781" video="mainVideo-shell" id="subtitle"]]
[[!template text="""process input and output. This allows the user to connect""" start="00:06:44.881" video="mainVideo-shell" id="subtitle"]]
[[!template text="""process input and output with files, devices, or other""" start="00:06:49.101" video="mainVideo-shell" id="subtitle"]]
[[!template text="""processes. Finally, shells are expected to have some""" start="00:06:53.881" video="mainVideo-shell" id="subtitle"]]
[[!template text="""limited scripting capability, such as the""" start="00:06:58.814" video="mainVideo-shell" id="subtitle"]]
[[!template text="""POSIX-compliant set of program statements and""" start="00:07:02.381" video="mainVideo-shell" id="subtitle"]]
[[!template text="""conditionals that Bash provides.""" start="00:07:06.614" video="mainVideo-shell" id="subtitle"]]
[[!template text="""As command-line wizards, there are a number of tasks we""" start="00:07:11.100" video="mainVideo-shell" id="subtitle"]]
[[!template text="""expect to be able to do quickly and easily from our shell,""" start="00:07:15.114" video="mainVideo-shell" id="subtitle"]]
[[!template text="""even though these tasks are not the domain of the shell""" start="00:07:18.660" video="mainVideo-shell" id="subtitle"]]
[[!template text="""itself. A common task is file management and navigation. We""" start="00:07:21.647" video="mainVideo-shell" id="subtitle"]]
[[!template text="""quickly navigate and manipulate the file system with""" start="00:07:27.881" video="mainVideo-shell" id="subtitle"]]
[[!template text="""standard utilities that do things like change the current""" start="00:07:31.114" video="mainVideo-shell" id="subtitle"]]
[[!template text="""working directory, rename files, move files, and delete""" start="00:07:34.814" video="mainVideo-shell" id="subtitle"]]
[[!template text="""files. We usually expect to have access to some additional""" start="00:07:39.381" video="mainVideo-shell" id="subtitle"]]
[[!template text="""process management utilities. These allow us to do things""" start="00:07:44.147" video="mainVideo-shell" id="subtitle"]]
[[!template text="""such as find out the status of all processes running on the""" start="00:07:48.381" video="mainVideo-shell" id="subtitle"]]
[[!template text="""system, and send signals to processes. Finally, we expect""" start="00:07:51.781" video="mainVideo-shell" id="subtitle"]]
[[!template text="""to have access to some basic networking utilities. For""" start="00:07:57.981" video="mainVideo-shell" id="subtitle"]]
[[!template text="""example, we should be able to run commands that set up""" start="00:08:02.114" video="mainVideo-shell" id="subtitle"]]
[[!template text="""network interfaces, ping computers, and download files.""" start="00:08:05.414" video="mainVideo-shell" id="subtitle"]]
[[!template text="""With a little reflection, we can see that Emacs can provide""" start="00:08:09.514" video="mainVideo-shell" id="subtitle"]]
[[!template text="""all or nearly all of the functionality we have described so""" start="00:08:16.081" video="mainVideo-shell" id="subtitle"]]
[[!template text="""far. And the functionality can be called conveniently""" start="00:08:20.147" video="mainVideo-shell" id="subtitle"]]
[[!template text="""through one of several methods.""" start="00:08:24.047" video="mainVideo-shell" id="subtitle"]]
[[!template text="""Either a normal interactive call, like M-x something, or a""" start="00:08:33.520" video="mainVideo-shell" id="subtitle"]]
[[!template text="""call to an elisp function,""" start="00:08:43.847" video="mainVideo-shell" id="subtitle"]]
[[!template text="""or through Eshell commands, or through some special buffer""" start="00:08:53.620" video="mainVideo-shell" id="subtitle"]]
[[!template text="""mode, such as the directory editor, which provides its own""" start="00:09:01.181" video="mainVideo-shell" id="subtitle"]]
[[!template text="""interface to some functionality.""" start="00:09:06.947" video="mainVideo-shell" id="subtitle"]]
[[!template text="""It may be going too far to say that Emacs is a full replacement""" start="00:09:09.414" video="mainVideo-shell" id="subtitle"]]
[[!template text="""for shells like Bash. Nevertheless, we can see that Emacs""" start="00:09:17.414" video="mainVideo-shell" id="subtitle"]]
[[!template text="""can do most of the things that we might otherwise do with our""" start="00:09:21.714" video="mainVideo-shell" id="subtitle"]]
[[!template text="""shell.""" start="00:09:25.681" video="mainVideo-shell" id="subtitle"]]

<div class="transcript-heading">[[!template new="1" text="""Launching external processes""" start="00:09:26.912" video="mainVideo-shell" id="subtitle"]]</div>[[!template text="""Let us give some examples. First, can Emacs launch""" start="00:09:26.912" video="mainVideo-shell" id="subtitle"]]
[[!template text="""external commands? Of course. Now, there are something""" start="00:09:32.514" video="mainVideo-shell" id="subtitle"]]
[[!template text="""like a half-dozen different ways to do that within Emacs, and""" start="00:09:36.681" video="mainVideo-shell" id="subtitle"]]
[[!template text="""some are more convenient than others. From any Elisp""" start="00:09:40.447" video="mainVideo-shell" id="subtitle"]]
[[!template text="""program, we can call functions like make-process and""" start="00:09:46.714" video="mainVideo-shell" id="subtitle"]]
[[!template text="""call-process to launch external processes.""" start="00:09:50.781" video="mainVideo-shell" id="subtitle"]]
[[!template text="""These, however, generally are not convenient for quick,""" start="00:10:12.460" video="mainVideo-shell" id="subtitle"]]
[[!template text="""one-off commands. Another option would be to run Eshell,""" start="00:10:16.847" video="mainVideo-shell" id="subtitle"]]
[[!template text="""which would allow us to call the external program from a""" start="00:10:22.381" video="mainVideo-shell" id="subtitle"]]
[[!template text="""familiar command line prompt.""" start="00:10:26.581" video="mainVideo-shell" id="subtitle"]]
[[!template text="""If we do not actually want to drop into Eshell just to run one""" start="00:10:34.160" video="mainVideo-shell" id="subtitle"]]
[[!template text="""command, we also have the interactive command,""" start="00:10:38.881" video="mainVideo-shell" id="subtitle"]]
[[!template text="""eshell-command,""" start="00:10:42.214" video="mainVideo-shell" id="subtitle"]]
[[!template text="""which would allow us to call the external program from a""" start="00:10:52.420" video="mainVideo-shell" id="subtitle"]]
[[!template text="""familiar command line prompt.""" start="00:10:56.747" video="mainVideo-shell" id="subtitle"]]
[[!template text="""If we do not actually want to drop an""" start="00:11:09.940" video="mainVideo-shell" id="subtitle"]]
[[!template text="""Eshell just to run one command, as I just mentioned, we also""" start="00:11:12.081" video="mainVideo-shell" id="subtitle"]]
[[!template text="""have the interactive command eshell-command, which allows""" start="00:11:15.700" video="mainVideo-shell" id="subtitle"]]
[[!template text="""us to enter in a one-off command and run that immediately.""" start="00:11:19.800" video="mainVideo-shell" id="subtitle"]]
[[!template text="""And finally, there is also an interactive command called""" start="00:11:25.420" video="mainVideo-shell" id="subtitle"]]
[[!template text="""simply shell-command.""" start="00:11:28.800" video="mainVideo-shell" id="subtitle"]]
[[!template text="""Shell command is like Eshell command, but instead passes""" start="00:11:34.600" video="mainVideo-shell" id="subtitle"]]
[[!template text="""the command off to our system shell, for example, bash.""" start="00:11:39.100" video="mainVideo-shell" id="subtitle"]]
[[!template text="""This is cheating, of course, but it might be useful or convenient""" start="00:11:43.940" video="mainVideo-shell" id="subtitle"]]
[[!template text="""in some scenarios.""" start="00:11:48.600" video="mainVideo-shell" id="subtitle"]]

<div class="transcript-heading">[[!template new="1" text="""Environment variables""" start="00:11:57.300" video="mainVideo-shell" id="subtitle"]]</div>[[!template text="""Regarding environment variables, Emacs can read and""" start="00:11:57.300" video="mainVideo-shell" id="subtitle"]]
[[!template text="""manipulate the environment variables, which in turn get""" start="00:12:01.900" video="mainVideo-shell" id="subtitle"]]
[[!template text="""passed on to processes which it launches. The""" start="00:12:05.400" video="mainVideo-shell" id="subtitle"]]
[[!template text="""general-purpose interactive commands for this are""" start="00:12:09.660" video="mainVideo-shell" id="subtitle"]]
[[!template text="""getenv and setenv. These commands""" start="00:12:12.900" video="mainVideo-shell" id="subtitle"]]
[[!template text="""deal with the one environment that is available throughout""" start="00:12:18.500" video="mainVideo-shell" id="subtitle"]]
[[!template text="""all parts of your running Emacs session. In other words,""" start="00:12:21.800" video="mainVideo-shell" id="subtitle"]]
[[!template text="""these functions deal with a global environment, which is""" start="00:12:25.700" video="mainVideo-shell" id="subtitle"]]
[[!template text="""the same wherever you are running getenv or""" start="00:12:29.000" video="mainVideo-shell" id="subtitle"]]
[[!template text="""setenv.""" start="00:12:32.100" video="mainVideo-shell" id="subtitle"]]
[[!template text="""An important exception is that every instance of Eshell""" start="00:13:00.340" video="mainVideo-shell" id="subtitle"]]
[[!template text="""maintains a distinct environment that will not be affected""" start="00:13:04.260" video="mainVideo-shell" id="subtitle"]]
[[!template text="""by setenv calls run in other buffers. Also, Eshell""" start="00:13:07.600" video="mainVideo-shell" id="subtitle"]]
[[!template text="""has some additional syntax for dealing with its""" start="00:13:13.981" video="mainVideo-shell" id="subtitle"]]
[[!template text="""environment, including the set and export syntax.""" start="00:13:16.447" video="mainVideo-shell" id="subtitle"]]
[[!template text="""Regarding job control and process management, Emacs does""" start="00:13:38.647" video="mainVideo-shell" id="subtitle"]]
[[!template text="""not provide job control in the way that Bash users are used""" start="00:13:47.114" video="mainVideo-shell" id="subtitle"]]
[[!template text="""to. We can, however, launch asynchronous processes, and do""" start="00:13:50.881" video="mainVideo-shell" id="subtitle"]]
[[!template text="""various things to them. From Eshell, or an eshell-command""" start="00:13:57.081" video="mainVideo-shell" id="subtitle"]]
[[!template text="""call, we can append the ampersand symbol to the command, and""" start="00:14:01.581" video="mainVideo-shell" id="subtitle"]]
[[!template text="""this will cause the process to run asynchronously in a""" start="00:14:07.181" video="mainVideo-shell" id="subtitle"]]
[[!template text="""dedicated buffer.""" start="00:14:11.014" video="mainVideo-shell" id="subtitle"]]
[[!template text="""Now, if the command is launched from Eshell, it will not""" start="00:14:20.881" video="mainVideo-shell" id="subtitle"]]
[[!template text="""actually run in a separate buffer, but the output will go to""" start="00:14:25.281" video="mainVideo-shell" id="subtitle"]]
[[!template text="""the Eshell buffer.""" start="00:14:31.181" video="mainVideo-shell" id="subtitle"]]

<div class="transcript-heading">[[!template new="1" text="""Processes""" start="00:14:54.400" video="mainVideo-shell" id="subtitle"]]</div>[[!template text="""We can run the interactive command list-processes to see""" start="00:14:54.400" video="mainVideo-shell" id="subtitle"]]
[[!template text="""all the processes running for our current Emacs session.""" start="00:14:59.581" video="mainVideo-shell" id="subtitle"]]
[[!template text="""In Eshell, we can run the command &quot;jobs&quot; to get the same list.""" start="00:15:11.747" video="mainVideo-shell" id="subtitle"]]
[[!template text="""This will show the process name, process buffer name,""" start="00:15:17.647" video="mainVideo-shell" id="subtitle"]]
[[!template text="""process ID, and some other information. We can select the""" start="00:15:22.814" video="mainVideo-shell" id="subtitle"]]
[[!template text="""process buffer in the process list to bring up that process""" start="00:15:28.614" video="mainVideo-shell" id="subtitle"]]
[[!template text="""buffer.""" start="00:15:32.881" video="mainVideo-shell" id="subtitle"]]
[[!template text="""We can also use the interactive command signal-process to""" start="00:15:42.414" video="mainVideo-shell" id="subtitle"]]
[[!template text="""send any signal to a process, including &quot;stop&quot; to suspend the""" start="00:15:47.047" video="mainVideo-shell" id="subtitle"]]
[[!template text="""process, &quot;continue&quot; to resume the process, and &quot;interrupt&quot; or""" start="00:15:52.981" video="mainVideo-shell" id="subtitle"]]
[[!template text="""kill to terminate the process.""" start="00:15:58.381" video="mainVideo-shell" id="subtitle"]]

<div class="transcript-heading">[[!template new="1" text="""Redirecting and pipelining input and output""" start="00:17:00.180" video="mainVideo-shell" id="subtitle"]]</div>[[!template text="""Regarding redirecting and pipelining input and output,""" start="00:17:00.180" video="mainVideo-shell" id="subtitle"]]
[[!template text="""Eshell does support redirection similar to Bash, so you can""" start="00:17:04.814" video="mainVideo-shell" id="subtitle"]]
[[!template text="""overwrite and append to files and some other objects. Input""" start="00:17:11.614" video="mainVideo-shell" id="subtitle"]]
[[!template text="""redirection is not yet implemented, but it is on the Eshell""" start="00:17:17.047" video="mainVideo-shell" id="subtitle"]]
[[!template text="""to-do list. Eshell also has pipes. The default pipe, which""" start="00:17:22.381" video="mainVideo-shell" id="subtitle"]]
[[!template text="""uses the familiar vertical bar symbol, pipes the data""" start="00:17:29.214" video="mainVideo-shell" id="subtitle"]]
[[!template text="""between the commands using an intermediate Emacs buffer.""" start="00:17:33.221" video="mainVideo-shell" id="subtitle"]]
[[!template text="""This, while usually quite practical, is less efficient""" start="00:17:36.981" video="mainVideo-shell" id="subtitle"]]
[[!template text="""than the system pipe. Therefore, Eshell also makes""" start="00:17:41.201" video="mainVideo-shell" id="subtitle"]]
[[!template text="""available a star-modified version, which uses the system""" start="00:17:46.320" video="mainVideo-shell" id="subtitle"]]
[[!template text="""pipe through a call to your system shell.""" start="00:17:50.147" video="mainVideo-shell" id="subtitle"]]
[[!template text="""So we can do things like""" start="00:17:56.881" video="mainVideo-shell" id="subtitle"]]
[[!template text="""direct output to a file.""" start="00:18:02.340" video="mainVideo-shell" id="subtitle"]]
[[!template text="""We're unfortunately not able to do input redirection, but""" start="00:18:15.100" video="mainVideo-shell" id="subtitle"]]
[[!template text="""we can use pipes.""" start="00:18:20.241" video="mainVideo-shell" id="subtitle"]]
[[!template text="""Elisp can manipulate and tie together processes in various""" start="00:18:41.760" video="mainVideo-shell" id="subtitle"]]
[[!template text="""ways, such as process filters and pipe processes, but I""" start="00:18:45.640" video="mainVideo-shell" id="subtitle"]]
[[!template text="""won't attempt to cover that. I feel like you should mention""" start="00:18:51.000" video="mainVideo-shell" id="subtitle"]]
[[!template text="""again that we have two kinds of pipes here available. So this""" start="00:18:56.560" video="mainVideo-shell" id="subtitle"]]
[[!template text="""pipe, the standard one, will pipe the data through Emacs""" start="00:19:02.120" video="mainVideo-shell" id="subtitle"]]
[[!template text="""buffers. That's very practical in most cases, but it is less""" start="00:19:09.240" video="mainVideo-shell" id="subtitle"]]
[[!template text="""efficient than piping through the system pipe. So Eshell""" start="00:19:16.760" video="mainVideo-shell" id="subtitle"]]
[[!template text="""makes available another symbol for that, star, vertical""" start="00:19:22.920" video="mainVideo-shell" id="subtitle"]]
[[!template text="""bar, that allows you to explicitly use the system pipe.""" start="00:19:28.120" video="mainVideo-shell" id="subtitle"]]
[[!template text="""Regarding scripting: Of course, using Emacs makes""" start="00:19:38.340" video="mainVideo-shell" id="subtitle"]]
[[!template text="""available all the power of the Elisp API and third-party""" start="00:19:43.600" video="mainVideo-shell" id="subtitle"]]
[[!template text="""packages, so we have that out of the gate. Eshell also has""" start="00:19:47.960" video="mainVideo-shell" id="subtitle"]]
[[!template text="""control flow statements, like an &quot;if&quot; construct and a &quot;for&quot;""" start="00:19:54.720" video="mainVideo-shell" id="subtitle"]]
[[!template text="""construct. See the Eshell info manual, section 3.7, for""" start="00:19:59.640" video="mainVideo-shell" id="subtitle"]]
[[!template text="""more details.""" start="00:20:06.520" video="mainVideo-shell" id="subtitle"]]

<div class="transcript-heading">[[!template new="1" text="""Scripts""" start="00:20:09.440" video="mainVideo-shell" id="subtitle"]]</div>[[!template text="""And if you wish to write a script entirely in Eshell syntax,""" start="00:20:09.440" video="mainVideo-shell" id="subtitle"]]
[[!template text="""and store it in a separate file, this is possible with recent""" start="00:20:13.840" video="mainVideo-shell" id="subtitle"]]
[[!template text="""versions of Emacs.""" start="00:20:18.560" video="mainVideo-shell" id="subtitle"]]
[[!template text="""Here's an example of a brief script that I wrote.""" start="00:20:31.840" video="mainVideo-shell" id="subtitle"]]
[[!template text="""Unfortunately, an eshell mode for proper syntax""" start="00:20:37.560" video="mainVideo-shell" id="subtitle"]]
[[!template text="""highlighting is not yet available, but hopefully that will""" start="00:20:42.680" video="mainVideo-shell" id="subtitle"]]
[[!template text="""be forthcoming. Note that Eshell syntax allows elisp""" start="00:20:46.280" video="mainVideo-shell" id="subtitle"]]
[[!template text="""forms to be interspersed with regular command form for""" start="00:20:51.280" video="mainVideo-shell" id="subtitle"]]
[[!template text="""additional scripting power. We will discuss this a little""" start="00:20:55.080" video="mainVideo-shell" id="subtitle"]]
[[!template text="""more later.""" start="00:20:58.760" video="mainVideo-shell" id="subtitle"]]

<div class="transcript-heading">[[!template new="1" text="""File system management""" start="00:21:11.780" video="mainVideo-shell" id="subtitle"]]</div>[[!template text="""Regarding file system management. In Emacs, many of the""" start="00:21:11.780" video="mainVideo-shell" id="subtitle"]]
[[!template text="""common file system operations are available as""" start="00:21:16.760" video="mainVideo-shell" id="subtitle"]]
[[!template text="""interactive commands. For example, M-x cd, to change your""" start="00:21:20.240" video="mainVideo-shell" id="subtitle"]]
[[!template text="""buffer's current working directory, and other M-x commands""" start="00:21:26.760" video="mainVideo-shell" id="subtitle"]]
[[!template text="""such as make-directory""" start="00:21:32.840" video="mainVideo-shell" id="subtitle"]]
[[!template text="""chmod,""" start="00:21:40.780" video="mainVideo-shell" id="subtitle"]]
[[!template text="""and delete-file. Of course, you can also drop into Eshell,""" start="00:21:43.260" video="mainVideo-shell" id="subtitle"]]
[[!template text="""or use M-x eshell-command to run the usual external commands""" start="00:21:53.840" video="mainVideo-shell" id="subtitle"]]
[[!template text="""for file system manipulation. Also, a file manager is built""" start="00:22:00.640" video="mainVideo-shell" id="subtitle"]]
[[!template text="""into Emacs, which can be run by calling M-x dired.""" start="00:22:07.040" video="mainVideo-shell" id="subtitle"]]
[[!template text="""The directory editor is powerful, but it is a bit strange to""" start="00:22:19.640" video="mainVideo-shell" id="subtitle"]]
[[!template text="""folks expecting something like Midnight Commander or the""" start="00:22:24.560" video="mainVideo-shell" id="subtitle"]]
[[!template text="""GNOME file manager. It gives us a number of helpful features""" start="00:22:28.680" video="mainVideo-shell" id="subtitle"]]
[[!template text="""like the ability to mark files, and to run elisp functions on""" start="00:22:35.640" video="mainVideo-shell" id="subtitle"]]
[[!template text="""them, and some other interesting ways to manipulate and""" start="00:22:44.700" video="mainVideo-shell" id="subtitle"]]
[[!template text="""rename the files. However, third-party Emacs extensions""" start="00:22:48.440" video="mainVideo-shell" id="subtitle"]]
[[!template text="""such as Midnight Commander Mode and Sunrise Commander are""" start="00:22:54.080" video="mainVideo-shell" id="subtitle"]]
[[!template text="""available to provide a Midnight Commander experience, for those who""" start="00:22:58.480" video="mainVideo-shell" id="subtitle"]]
[[!template text="""prefer that sort of file management.""" start="00:23:03.880" video="mainVideo-shell" id="subtitle"]]
[[!template text="""Emacs also has the nifty TRAMP functionality built in,""" start="00:23:10.320" video="mainVideo-shell" id="subtitle"]]
[[!template text="""which allows you, most of the time, to easily edit files on""" start="00:23:14.880" video="mainVideo-shell" id="subtitle"]]
[[!template text="""other computers, as well as manipulate the file system.""" start="00:23:19.160" video="mainVideo-shell" id="subtitle"]]
[[!template text="""This transparently works through SSH and some other""" start="00:23:23.180" video="mainVideo-shell" id="subtitle"]]
[[!template text="""protocols that you can specify.""" start="00:23:27.840" video="mainVideo-shell" id="subtitle"]]

<div class="transcript-heading">[[!template new="1" text="""Networking""" start="00:23:43.560" video="mainVideo-shell" id="subtitle"]]</div>[[!template text="""Regarding networking features, I don't have a lot of""" start="00:23:43.560" video="mainVideo-shell" id="subtitle"]]
[[!template text="""interesting things to say about this at the present, so I'll""" start="00:23:48.160" video="mainVideo-shell" id="subtitle"]]
[[!template text="""skip through this quickly. But if you do a little research,""" start="00:23:51.640" video="mainVideo-shell" id="subtitle"]]
[[!template text="""you will see that Emacs has a lot of functionality relating""" start="00:23:54.920" video="mainVideo-shell" id="subtitle"]]
[[!template text="""to making network connections, interacting with the web,""" start="00:23:58.800" video="mainVideo-shell" id="subtitle"]]
[[!template text="""and such like, both built-in and in available packages, as""" start="00:24:02.780" video="mainVideo-shell" id="subtitle"]]
[[!template text="""well as modes for doing things like Web browsing and Gemini""" start="00:24:07.860" video="mainVideo-shell" id="subtitle"]]
[[!template text="""browsing. And of course, you can run the usual standard""" start="00:24:14.400" video="mainVideo-shell" id="subtitle"]]
[[!template text="""networking commands for your system through Eshell.""" start="00:24:20.600" video="mainVideo-shell" id="subtitle"]]

<div class="transcript-heading">[[!template new="1" text="""A brief tour of Eshell""" start="00:24:30.120" video="mainVideo-shell" id="subtitle"]]</div>[[!template text="""So having put forward the main arguments for this talk, I""" start="00:24:30.120" video="mainVideo-shell" id="subtitle"]]
[[!template text="""would like to take some time now to give a brief tour of a few of""" start="00:24:33.760" video="mainVideo-shell" id="subtitle"]]
[[!template text="""the features of Eshell, the Emacs shell. It bears""" start="00:24:38.200" video="mainVideo-shell" id="subtitle"]]
[[!template text="""emphasizing that Eshell is not a drop-in replacement for""" start="00:24:43.800" video="mainVideo-shell" id="subtitle"]]
[[!template text="""Bash, or even a Bash clone, though I believe the developers""" start="00:24:47.000" video="mainVideo-shell" id="subtitle"]]
[[!template text="""are trying to make much of the syntax very similar. Also,""" start="00:24:51.880" video="mainVideo-shell" id="subtitle"]]
[[!template text="""Eshell is not a terminal emulator, and it will not display""" start="00:24:56.840" video="mainVideo-shell" id="subtitle"]]
[[!template text="""correctly applications which use advanced ANSI control""" start="00:25:00.480" video="mainVideo-shell" id="subtitle"]]
[[!template text="""codes. However, Eshell can be configured to be aware of such""" start="00:25:04.680" video="mainVideo-shell" id="subtitle"]]
[[!template text="""applications, and to run them automatically within the""" start="00:25:10.120" video="mainVideo-shell" id="subtitle"]]
[[!template text="""Emacs terminal emulator when launched. See section 5.1 of""" start="00:25:13.301" video="mainVideo-shell" id="subtitle"]]
[[!template text="""the Eshell manual titled Visual Commands.""" start="00:25:19.941" video="mainVideo-shell" id="subtitle"]]
[[!template text="""Though Eshell is not Bash, it has multiple features,""" start="00:25:32.540" video="mainVideo-shell" id="subtitle"]]
[[!template text="""pertaining mainly to its by-design Emacs integration,""" start="00:25:36.760" video="mainVideo-shell" id="subtitle"]]
[[!template text="""which may make it more appealing to use than Bash or another""" start="00:25:40.680" video="mainVideo-shell" id="subtitle"]]
[[!template text="""shell.""" start="00:25:44.640" video="mainVideo-shell" id="subtitle"]]
[[!template text="""For one, Eshell allows entering commands on the command""" start="00:25:48.160" video="mainVideo-shell" id="subtitle"]]
[[!template text="""line that are space and new line separated, without""" start="00:25:52.040" video="mainVideo-shell" id="subtitle"]]
[[!template text="""parentheses. Of course, all the other shells do this. But""" start="00:25:55.961" video="mainVideo-shell" id="subtitle"]]
[[!template text="""within Eshell, it is possible to enter internal Emacs""" start="00:26:01.281" video="mainVideo-shell" id="subtitle"]]
[[!template text="""functions, as well as external commands.""" start="00:26:06.281" video="mainVideo-shell" id="subtitle"]]
[[!template text="""This allows us to do things like this.""" start="00:26:13.240" video="mainVideo-shell" id="subtitle"]]
[[!template text="""As far as I understand, it is possible to enter any Emacs""" start="00:26:45.740" video="mainVideo-shell" id="subtitle"]]
[[!template text="""function on the Eshell command line. However, some special""" start="00:26:49.760" video="mainVideo-shell" id="subtitle"]]
[[!template text="""syntax may be required if you are trying to pass in something""" start="00:26:53.960" video="mainVideo-shell" id="subtitle"]]
[[!template text="""that is not a string or a number.""" start="00:26:58.400" video="mainVideo-shell" id="subtitle"]]
[[!template text="""As you might have noticed in the last example, Eshell makes""" start="00:27:04.380" video="mainVideo-shell" id="subtitle"]]
[[!template text="""it possible to use an Emacs buffer as a sink for output. It""" start="00:27:07.920" video="mainVideo-shell" id="subtitle"]]
[[!template text="""also allows using a buffer as a source of input, though this""" start="00:27:12.920" video="mainVideo-shell" id="subtitle"]]
[[!template text="""is slightly more complicated, since the buffer must be""" start="00:27:18.040" video="mainVideo-shell" id="subtitle"]]
[[!template text="""converted to a string first. I have distilled this down into""" start="00:27:21.840" video="mainVideo-shell" id="subtitle"]]
[[!template text="""my own function, named with the &quot;at&quot; symbol.""" start="00:27:27.200" video="mainVideo-shell" id="subtitle"]]
[[!template text="""And I will provide the brief snippet of code for this later.""" start="00:27:36.640" video="mainVideo-shell" id="subtitle"]]
[[!template text="""So to give an example, here's our messages buffer.""" start="00:27:54.640" video="mainVideo-shell" id="subtitle"]]
[[!template text="""And from Eshell, we can do something like this.""" start="00:28:02.500" video="mainVideo-shell" id="subtitle"]]
[[!template text="""Let's say here we wanted to grab our messages buffer to see""" start="00:28:29.780" video="mainVideo-shell" id="subtitle"]]
[[!template text="""everything that we had been loading during the startup""" start="00:28:34.440" video="mainVideo-shell" id="subtitle"]]
[[!template text="""process.""" start="00:28:38.080" video="mainVideo-shell" id="subtitle"]]
[[!template text="""So you can see how that could be very handy in a number of""" start="00:28:48.060" video="mainVideo-shell" id="subtitle"]]
[[!template text="""scenarios.""" start="00:28:51.880" video="mainVideo-shell" id="subtitle"]]
[[!template text="""I wanted to briefly mention that we have a helpful function""" start="00:28:55.060" video="mainVideo-shell" id="subtitle"]]
[[!template text="""here called eshell-insert-buffer-name,""" start="00:29:00.240" video="mainVideo-shell" id="subtitle"]]
[[!template text="""which allows us to insert a buffer name into the current""" start="00:29:11.120" video="mainVideo-shell" id="subtitle"]]
[[!template text="""buffer at point using completion,""" start="00:29:15.360" video="mainVideo-shell" id="subtitle"]]
[[!template text="""which can save you a lot of typing.""" start="00:29:24.680" video="mainVideo-shell" id="subtitle"]]
[[!template text="""Another nice feature of Eshell""" start="00:29:32.880" video="mainVideo-shell" id="subtitle"]]
[[!template text="""is that it allows integrating ELisp into the command line""" start="00:29:37.220" video="mainVideo-shell" id="subtitle"]]
[[!template text="""call. Let's give another example. Say we wanted to echo the""" start="00:29:41.200" video="mainVideo-shell" id="subtitle"]]
[[!template text="""date to an event file or an event log.""" start="00:29:48.880" video="mainVideo-shell" id="subtitle"]]
[[!template text="""I should probably take a moment to explain this asterisk""" start="00:29:56.720" video="mainVideo-shell" id="subtitle"]]
[[!template text="""that I'm occasionally using. So since Emacs, or excuse me,""" start="00:30:01.640" video="mainVideo-shell" id="subtitle"]]
[[!template text="""since Eshell can use internal or external Emacs, excuse me,""" start="00:30:07.000" video="mainVideo-shell" id="subtitle"]]
[[!template text="""internal Emacs commands or external commands, it may""" start="00:30:11.720" video="mainVideo-shell" id="subtitle"]]
[[!template text="""sometimes be necessary to clarify which one you want to use,""" start="00:30:17.000" video="mainVideo-shell" id="subtitle"]]
[[!template text="""since the names may overlap. Since my Eshell is configured""" start="00:30:22.380" video="mainVideo-shell" id="subtitle"]]
[[!template text="""by default to prefer the internal Emacs functions, then""" start="00:30:27.080" video="mainVideo-shell" id="subtitle"]]
[[!template text="""sometimes I have to use the asterisk to specify that I want""" start="00:30:32.320" video="mainVideo-shell" id="subtitle"]]
[[!template text="""the external version.""" start="00:30:37.800" video="mainVideo-shell" id="subtitle"]]
[[!template text="""Here I can insert a bit of Elisp,""" start="00:30:42.680" video="mainVideo-shell" id="subtitle"]]
[[!template text="""and then redirect the output to the event log.""" start="00:31:03.180" video="mainVideo-shell" id="subtitle"]]
[[!template text="""Last, I want to mention that there are some optional Eshell""" start="00:31:18.720" video="mainVideo-shell" id="subtitle"]]
[[!template text="""modules in Emacs, not turned on by default, which provide""" start="00:31:22.640" video="mainVideo-shell" id="subtitle"]]
[[!template text="""additional nifty features.""" start="00:31:27.160" video="mainVideo-shell" id="subtitle"]]
[[!template text="""On my system, I have most of the optional modules turned on.""" start="00:31:40.540" video="mainVideo-shell" id="subtitle"]]
[[!template text="""An interesting module is eshell-smart, which does various""" start="00:31:58.320" video="mainVideo-shell" id="subtitle"]]
[[!template text="""things with cursor positioning and scrolling, so as to make""" start="00:32:03.200" video="mainVideo-shell" id="subtitle"]]
[[!template text="""editing commands and reviewing output easier.""" start="00:32:07.320" video="mainVideo-shell" id="subtitle"]]
[[!template text="""Let's say I was to change directory to my boot directory""" start="00:32:18.340" video="mainVideo-shell" id="subtitle"]]
[[!template text="""and use a command which involves lots of output.""" start="00:32:30.880" video="mainVideo-shell" id="subtitle"]]
[[!template text="""You'll notice right away that the cursor positioning is set""" start="00:32:39.900" video="mainVideo-shell" id="subtitle"]]
[[!template text="""such that I'm immediately able to view the top of the output.""" start="00:32:44.360" video="mainVideo-shell" id="subtitle"]]
[[!template text="""Also, I'm able to use the space bar to page through the""" start="00:32:48.720" video="mainVideo-shell" id="subtitle"]]
[[!template text="""output.""" start="00:32:52.880" video="mainVideo-shell" id="subtitle"]]
[[!template text="""So this is an opinionated feature, which assumes that""" start="00:32:56.080" video="mainVideo-shell" id="subtitle"]]
[[!template text="""you're likely going to want to review the output""" start="00:33:01.920" video="mainVideo-shell" id="subtitle"]]
[[!template text="""immediately, or that you often will. Of course, you can""" start="00:33:05.400" video="mainVideo-shell" id="subtitle"]]
[[!template text="""always jump to the end.""" start="00:33:10.560" video="mainVideo-shell" id="subtitle"]]
[[!template text="""Also, after a command is entered, the cursor is immediately""" start="00:33:19.980" video="mainVideo-shell" id="subtitle"]]
[[!template text="""repositioned to make it easy to edit the command.""" start="00:33:23.920" video="mainVideo-shell" id="subtitle"]]
[[!template text="""And also, if I don't want to edit the command, and I do not want""" start="00:33:53.020" video="mainVideo-shell" id="subtitle"]]
[[!template text="""to review the output, I can simply start typing another""" start="00:33:56.520" video="mainVideo-shell" id="subtitle"]]
[[!template text="""command.""" start="00:33:59.680" video="mainVideo-shell" id="subtitle"]]
[[!template text="""So that covers the brief tour of Eshell features.""" start="00:34:11.260" video="mainVideo-shell" id="subtitle"]]
[[!template text="""And that basically ends my talk.""" start="00:34:17.760" video="mainVideo-shell" id="subtitle"]]

<div class="transcript-heading">[[!template new="1" text="""Login shell""" start="00:34:21.128" video="mainVideo-shell" id="subtitle"]]</div>[[!template text="""However, a handful of""" start="00:34:21.128" video="mainVideo-shell" id="subtitle"]]
[[!template text="""viewers might be wondering, is it possible to set Emacs to be""" start="00:34:22.381" video="mainVideo-shell" id="subtitle"]]
[[!template text="""my login shell to completely replace bash in your login""" start="00:34:28.720" video="mainVideo-shell" id="subtitle"]]
[[!template text="""experience? The answer is yes, but in practice there are""" start="00:34:37.640" video="mainVideo-shell" id="subtitle"]]
[[!template text="""various difficulties involved which might make it not""" start="00:34:43.720" video="mainVideo-shell" id="subtitle"]]
[[!template text="""worth the trouble.""" start="00:34:47.400" video="mainVideo-shell" id="subtitle"]]
[[!template text="""Before doing this, you'll have to answer a few initial""" start="00:35:00.440" video="mainVideo-shell" id="subtitle"]]
[[!template text="""questions. Do you want to make a new Emacs instance every""" start="00:35:03.480" video="mainVideo-shell" id="subtitle"]]
[[!template text="""time you log in, or do you want it to connect to an Emacs""" start="00:35:09.520" video="mainVideo-shell" id="subtitle"]]
[[!template text="""server? Which is popular among Emacs users, to reuse the""" start="00:35:13.760" video="mainVideo-shell" id="subtitle"]]
[[!template text="""session, or to connect to the existing session. Also, do you""" start="00:35:20.600" video="mainVideo-shell" id="subtitle"]]
[[!template text="""want a different result, whether in graphical or a terminal""" start="00:35:26.600" video="mainVideo-shell" id="subtitle"]]
[[!template text="""environment? And are you okay with your initialization""" start="00:35:30.640" video="mainVideo-shell" id="subtitle"]]
[[!template text="""file being run every time you log in, including every new tab""" start="00:35:34.680" video="mainVideo-shell" id="subtitle"]]
[[!template text="""you open in a terminal emulator? If we assume that you are""" start="00:35:39.560" video="mainVideo-shell" id="subtitle"]]
[[!template text="""using a system with /etc/passwd user management, you get""" start="00:35:44.521" video="mainVideo-shell" id="subtitle"]]
[[!template text="""one field to specify the name of the shell program that you""" start="00:35:50.340" video="mainVideo-shell" id="subtitle"]]
[[!template text="""want to use, and no arguments are allowed. So maybe you can""" start="00:35:54.000" video="mainVideo-shell" id="subtitle"]]
[[!template text="""see how this might be challenging, depending on your""" start="00:35:58.480" video="mainVideo-shell" id="subtitle"]]
[[!template text="""answers to the previous questions. You can work around""" start="00:36:02.680" video="mainVideo-shell" id="subtitle"]]
[[!template text="""these issues in various ways, like modifying the""" start="00:36:06.880" video="mainVideo-shell" id="subtitle"]]
[[!template text="""authentication system, or by specifying a script for your""" start="00:36:10.480" video="mainVideo-shell" id="subtitle"]]
[[!template text="""login shell. But if your normal workflow is to simply log in""" start="00:36:15.440" video="mainVideo-shell" id="subtitle"]]
[[!template text="""and start Emacs and run that Emacs session until your next""" start="00:36:21.800" video="mainVideo-shell" id="subtitle"]]
[[!template text="""reboot, then it probably isn't worth the bother.""" start="00:36:25.680" video="mainVideo-shell" id="subtitle"]]

<div class="transcript-heading">[[!template new="1" text="""Resources""" start="00:36:36.980" video="mainVideo-shell" id="subtitle"]]</div>[[!template text="""So thank you for listening to my talk, Emacs as a Shell, by""" start="00:36:36.980" video="mainVideo-shell" id="subtitle"]]
[[!template text="""Christopher Howard for Emacs Conference 2024.""" start="00:36:42.000" video="mainVideo-shell" id="subtitle"]]
[[!template text="""At the bottom of this page, you can see a link to the""" start="00:36:46.860" video="mainVideo-shell" id="subtitle"]]
[[!template text="""repository containing the brief amount of code that was""" start="00:36:51.520" video="mainVideo-shell" id="subtitle"]]
[[!template text="""featured here in this video, as well as a link to my personal""" start="00:36:56.920" video="mainVideo-shell" id="subtitle"]]
[[!template text="""Gemini gemlog, as well as to a Web portal version of that.""" start="00:37:03.680" video="mainVideo-shell" id="subtitle"]]
[[!template text="""Thank you.""" start="00:37:10.280" video="mainVideo-shell" id="subtitle"]]

</div>

Captioner: mark

Questions or comments? Please e-mail [christopher@librehacker.com](mailto:christopher@librehacker.com?subject=Comment%20for%20EmacsConf%202023%20shell%3A%20Emacs%20as%20a%20shell)


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