Env

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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

Standalone Use

Displays environment values.

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.