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env

Show the environment or run a program in a modified environment.

More information.

• Show the environment:

env

• Run a program. Often used in scripts after the shebang (#!) for looking up the path to the program:

env {program}

• Clear the environment and run a program:

env -i {program}

• Remove variable from the environment and run a program:

env -u {variable} {program}

• Set a variable and run a program:

env {variable}={value} {program}

• Set multiple variables and run a program:

env {variable1}={value} {variable2}={value} {variable3}={value} {program}

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