Env

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Revision as of 23:51, 2 May 2023 by Ovidiu (talk | contribs)
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External

Internal

Overview

Run a command with a modified environment, or just print the environment if no argument is provided.

/usr/bin/env [utility]
/usr/bin/env bash

No Argument Use

Displays environment values.

Modify the Environment to Run a Command

env SOME_VAR='some value' printenv

will display, among other environment variables, SOME_VAR.

Use on the Shebang Line

https://www.baeldung.com/linux/bash-shebang-lines

The env command works by instructing the system to look for the specified interpreter through the PATH variable and use the first occurrence found.