Where is cshrc file

On our system neptune, poseidon etc the particular shell is called csh referred to as C-Shell. Other shell programs exist.

One other common shell is ksh K-Shell. You can create a special file in your home directory called. One thing you can do in the. Question: Q: Question: Q: which directory contains the. More Less. Reply I have this question too 6 I have this question too Me too 6 Me too. All replies Drop Down menu. Loading page content. Reply Helpful Thread reply - more options Link to this Post.

User profile for user: BarneyE BarneyE. If the files exist, the shell executes their commands before displaying its first prompt. If you have a file named. In order to avoid repeating a qualifying phrase throughout this handbook, it should be understood that references to.

In this chapter, I assume that you are in your home directory, and I refer to the startup files as. Your shell might also read system-wide startup files before reading the startup files in your home directory.

System administrators sometimes use these files to standardize aspects of the working environment across accounts. You can either leave those settings in place, or use commands like unset , unsetenv , unalias , and uncomplete to remove them. The generic versions might look something like this:. You may even decide to copy some of what you find into your own files. You can modify your working environment immediately by typing commands at the command line, but changes made that way disappear as soon as you log out.

The changes take effect the next time you log in. Some guidelines for modifying your startup files are given below. Before adding a command to a startup file, try it from the command line to make sure that it works. Make one change at a time. The shell treats lines that begin with as comments and ignores them. Use this feature to add comments that document your modifications. These comments will help you remember why you made your changes when you review your startup files later on.

If you want to see what happens when a particular command is not executed, turn it into a comment by putting a in front of it. If, later on, you want to undo the change, just remove the.

After modifying a startup file, try it out. That way, if there is a problem, you find out immediately, but you still have your original login session running in your original environment , so that you can fix it. This is especially important if you introduce a serious error into a startup file that prevents further logins! Verify that you can log in successfully and that your changes have the desired effect. If the shell seems to process only part of a startup file when you log in, be alert for error messages, and try to determine at what point in the execution of the file commands stop being processed.

You will probably find a command with an error in it right before that point. Finally, as you gain experience modifying. You can then use the source command to tell your current shell to reprocess it, rather than logging in again:. Variables control shell behavior, including the prompt display, where to look for commands, and whether to maintain a history list.

The shell understands two kinds of variables: shell variables and environment variables. In general, shell variables are used internally by the shell and affect its own operation, whereas environment variables are accessible to programs started from the shell. Please visit this page to clear all LQ-related cookies. Get a virtual cloud desktop with the Linux distro that you want in less than five minutes with Shells!

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Click here for more info. Running Suse Have been using the bash shell, which is of course the default shell. All went well. To run the actual program in question now I have to change to the csh and then ' source Where can I find the.

It's not in my home directory with. Even if I put this line into. I really don't want to change shells permanently. I tried doing something like this in. Would be grateful for any help.