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Display the value of the $SHELL environment variable, which stores the pathname of the current shell.
| Code Block |
|---|
$ echo $SHELL
/bin/bash |
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List the available shells in the system. cat (concatenate) is a standard Linux utilities that concatenates and prints the content of a file to standard output. shells is the name of the file, and /etc/ is the pathname of the directory where this file is stored.
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