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Definition: shell script

A file of executable Unix commands that is created in a text editor. When the file is run, each command is executed until the end of the file is reached. After the shell script is written, it is made usable by changing its file status to "executable" with the Unix chmod (change mode) command (see chmod).

Shell scripts are the Unix counterpart to Windows scripts and Windows/DOS batch files. See Windows Script Host, PowerShell and batch file abc's.