Command (Unix)

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The command command in Unix and Unix-like operating systems is a utility to execute a command. It is specified in the POSIX standard. It is present in Unix shells as a shell builtin function. The argument(s) passed is a command with its arguments. The passed command is run with the normal shell function lookup suppressed.

In the following, the ls command is run without any shell functions or aliases that may exist with the same name:

$ command ls

• List of Unix commands

• command – Shell and Utilities Reference, The Single UNIX Specification, Version 4 from The Open Group