which — Basic UsageIT technician command center
Linux · Linux and Bash

which — Basic Usage

Use which for a standard administrative task.

Copy-ready commandwhich — Basic Usage
which python3

Requirements and permissions

Requirements
Linux with the referenced utility installed
Permissions
Use sudo or root only when required
Last reviewed
2026-07-31

Examples

Basic Usage

Use which for a standard administrative task.

which python3

Original command

Show the executable resolved by the shell.

which python3

Common errors

Command not found

Confirm Linux with the referenced utility installed is installed and available in your current shell.