Goals for this Hour
In this hour, you learn
What shells are available, and how they differ from one another
How to identify which shell you're running
How to choose a new shell
More about the environment of your shell
How to explore csh configuration files
Various shells are available in UNIX, but two are quite common: the Bourne shell (sh) and the C shell (csh). You learn about two of the other shells available, the Korn shell (ksh) and the terminal-based C shell (tcsh). Because the C shell is so popular, most of this book focuses on it.
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