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Old 06-02-2008, 07:16 AM   #1
rehan999
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Registered: Aug 2007
Posts: 134

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Unhappy what is .cshrc


Good Morning


Can any one please explain me what is .cshrc file ?
why is it used?


Waiting for your reply.

Thanks and Regards
Rehan.
 
Old 06-02-2008, 07:23 AM   #2
ajcbdigger
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Registered: May 2008
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It's used to set environment variables, aliases, etc.

When you launch a new terminal ( or new shell ) then this file is read in ( assuming using the c shell ... you can have different shells like bash,zsh, sh etc which read in their own versions)

Anyway, each time you get a new C shell the environment set up in the .chsrc will be setup
 
Old 06-02-2008, 07:23 AM   #3
pinniped
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Registered: May 2008
Location: planet earth
Distribution: Debian
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If you have 'csh' installed (or at least its documentation):

man csh

Then look through for the discussion on .cshrc

If you don't have the csh docs, try the bash docs and look for .bashrc:

man bash
 
Old 06-04-2008, 07:38 AM   #4
vigol
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Registered: Feb 2008
Location: Uns Cigano from Vigol
Distribution: FreeBSD 8.0
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Hi


Some tips on .cshrc / csh.cshrc / csh
1. The csh is usually installed as /bin/csh
1.1. But in the most cases, especially in linux distros, it's a symbolic link to /bin/tcsh
1.2. csh (C Shell) is developed for BSD systems; I think, by Bill Joe, in the Berkley.
1.3. tcsh (TENEX/TOPS C shell) is a new version of C Shell that have some new features like
1.3.1. Command history scrolling
1.3.2. Command editing with R/L Arrow keys
1.3.3 Formatting the prompts
1.3.4. A spelling correction facility
1.3.5. Advances word completion
1.4. For more infos refer to : http://www.primate.wisc.edu/software/csh-tcsh-book/
1.4.1. I supposed that above link still in live.
2. Result :
2.2. Almost in many situations, the TCSH will trace your .cshrc .
2.1. And commadns like info/man csh will direct you to the info/man tcsh pages.
3. When you log int ot the sys with csh/tcsh, these proccesses'll ocur, in order:
3.1. csh/tcsh execute commands from csh.cshrc and csh.login
3.1.1. Both of them reside on /etc
3.2. csh/tcsh execute commands from .tcshrc |or| .cshrc.
3.2.1. It's first read .tcshrc, if that not exist : It'll read .cshrc .
3.2.2. Both of them reside on /home/USER...
3.3. fetch others command from another files : .history, .login, .cshdirs ...(Maybe in order or ?!).
Bye

vigol
mehrshad moslehi
www.vigol.com
 
  


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