shell variable

<programming, operating system>

One of the variables accessible to a Unix shell process, including environment variables (e.g. $HOME), command line arguments (e.g. $1) and local variables (e.g. $input_file). Other operating systems have similar variables.

Last updated: 1999-01-26

Nearby terms:

shell outshell scriptshell variableshielded twisted pairSHIFT

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