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Linux · Linux and Bash

which

Show the executable resolved by the shell.

Copy-ready commandwhich
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 example

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.