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A Practical Guide to Red Hat® Linux® 8 by Mark G. Sobell

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Chapter Summary

Like the Bourne Again and Z Shells, the TC Shell is both a command interpreter and a programming language. Developed at the University of California at Berkeley, the TC Shell has popular features, such as history, alias, and job control, that have been adopted by other shells.

You may prefer to use tcsh as a command interpreter, especially if you are used to the TC Shell. In that case, if your default login shell is bash or zsh, you can ask the system administrator to change your login shell to tcsh. The administrator will make the change in the /etc/passwd file, so the shell you requested remains in effect across login sessions. However, this does not cause tcsh to run your shell scripts; they will continue to be run by bash ...

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