env Command - Run a Command in a Modified Environment

env is used to run a command in a modified environment or to print the current environment variables. It is commonly used in scripts and for debugging.

Syntax

env [options] [name=value ...] [command [args ...]]

Examples

env

FOO=bar env

Notes

• Commonly used in shebang lines (e.g., #!/usr/bin/env python3).
• Can be used to clear the environment with -i option.
• Useful for debugging environment issues in scripts.