Linux in a Nutshell, 6th Edition

Name

env

Synopsis

env [option] [variable=
value ... ] [command]

Display the current environment or, if an environment variable is specified, set it to a new value and display the modified environment. If command is specified, execute it under the modified environment.

Options

-, -i, --ignore-environment

Ignore current environment entirely.

-u name, --unset name

Unset the specified variable.

--help

Print help message and then exit.

--version

Print version information and then exit.