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screen [2021/03/16 05:20] – [Multiple sessions] hc9screen [2021/03/16 21:34] – [Introduction] hc9
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 ===== Introduction ===== ===== Introduction =====
  
-[[http://savannah.gnu.org/projects/screen/|Screen]] is a terminal multiplexer, i.e., it will let you have multiple virtual terminals in a single window. You will also be able to 1) detach a screen session, and then detach it in a later moment; 2) share screen sessions.+[[http://savannah.gnu.org/projects/screen/|Screen]] is a "terminal multiplexer", i.e., it will let you have multiple virtual terminals in a single window. You will also be able to 1) "detach" a screen session, and then detach it in a later moment; 2) share screen sessions.
  
 In this tutorial ''$'' indicates a terminal prompt (just for visual convenience). In this tutorial ''$'' indicates a terminal prompt (just for visual convenience).
  
-A Screen command is usually of the form **CTRL-a KEY**, i.e., you'll have to press the **CTRL** key along with a, followed by a generic KEY. (Screen's default escape key is **CTRL-a**.)+A Screen command is usually of the form **CTRL-a KEY**, i.e., you'll have to press the **CTRL** key along with "a", followed by a generic KEY. (Screen's default escape key is **CTRL-a**.)
  
 You'll need to be a [[http://sdf.org/?join#meta|MetaARPA]] member in order to use Screen on SDF You'll need to be a [[http://sdf.org/?join#meta|MetaARPA]] member in order to use Screen on SDF
  
-If you want a screencast tutorial, type:+If you want a "screencast" tutorial, type:
  
-"$ ttyplay /ftp/pub/users/jecxjo/howto/screen"+''$ ttyplay /ftp/pub/users/jecxjo/howto/screen''
  
 on a terminal connected to SDF. on a terminal connected to SDF.
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 ===== Multiple sessions ===== ===== Multiple sessions =====
  
-It's possible to have various Screen sessions running, each one with their own set of windows open. If you started Screen by just typing screen, a new session is created. If you detach and type screen again, a new session will start. If you now type:+It's possible to have various Screen sessions running, each one with their own set of windows open. If you started Screen by just typing "screen", a new session is created. If you detach and type "screen" again, a new session will start. If you now type:
  
 ''$ screen -ls'' ''$ screen -ls''
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 ''$ screen -S mysession'' ''$ screen -S mysession''
  
-where mysession is the name you want to give to your session (e.g., work).+where mysession is the name you want to give to your session (e.g., "work").
  
 ===== Splitting windows ===== ===== Splitting windows =====
  
-It could be useful to split a window so that you can have two programs running on the viewport. In this case, type CTRL-a S and you'll see that the window will be split in two regions, with the one at the bottom blank. You can swith to it with CTRL-a TAB (TAB is the tab key) and then select a window by typing its number, or p (previous) or n (next), e.g., CTRL-a 2. You can always swith through regions with CTRL-a TAB.+It could be useful to split a window so that you can have two programs running on the viewport. In this case, type **CTRL-a S** and you'll see that the window will be split in two regions, with the one at the bottom blank. You can swith to it with **CTRL-a TAB** (TAB is the tab key) and then select a window by typing its number, or "p" (previous) or "n" (next), e.g., **CTRL-a 2**. You can always swith through regions with **CTRL-a TAB**.
  
-It's possible to split the window in more then two regions, each time by typing CTRL-a S+It's possible to split the window in more then two regions, each time by typing **CTRL-a S**
  
 If you want to split a window vertically, you'll have to either use a //patch(([[http://fungi.yuggoth.org/vsp4s/|Vertical Split for GNU Screen]] - provides a vertical split feature for current releases of GNU Screen))// or use a recent version of Screen. If you want to split a window vertically, you'll have to either use a //patch(([[http://fungi.yuggoth.org/vsp4s/|Vertical Split for GNU Screen]] - provides a vertical split feature for current releases of GNU Screen))// or use a recent version of Screen.
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 ===== .screenrc ===== ===== .screenrc =====
  
-As we previously saw, it is possible to customize Screen by writing settings in a file named .screenrc in your $HOME directory. We will now some useful Screen settings.+As we previously saw, it is possible to customize Screen by writing settings in a file named ".screenrc" in your $HOME directory. We will now some useful Screen settings.
  
 === Avoiding the startup message === === Avoiding the startup message ===
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 A full screen message with copyright and other stuff is usually displayed at startup. This can get annoying. In order to avoid it, you can put in your .screenrc the following: A full screen message with copyright and other stuff is usually displayed at startup. This can get annoying. In order to avoid it, you can put in your .screenrc the following:
  
-  startup_message off+<file config .screenrc> 
 + 
 +startup_message off 
 + 
 +</file>
  
 === Keybindings === === Keybindings ===
  
-It's possible to bind keys so that when you type CTRL-a KEY Screen willl open a new window launching some program. For instance, if you write in your .screenrc file+It's possible to bind keys so that when you type **CTRL-a KEY** Screen will open a new window launching some program. For instance, if you write in your .screenrc file
  
-  bind m screen -t mail 1 mutt+<file config .screenrc> 
 + 
 +bind m screen -t mail 1 mutt 
 + 
 +</file>
  
-each time you'll type CTRL-a m a new window (named mail)with mutt will be created. Be careful: when you bind a key, you'll overwrite Screen's defaults (e.g., we just lost the lastmsg key).+each time you'll type **CTRL-a m** a new window (named "mail")with mutt will be created. Be careful: when you bind a key, you'll overwrite Screen's defaults (e.g., we just lost the "lastmsg" key).
  
 ===== Cheat sheet ===== ===== Cheat sheet =====
screen.txt · Last modified: 2021/03/16 21:39 by hc9