Linux Exit Code 127 — Command Not Found

Overview

Linux exit code 127 means the command could not be found in the system PATH or is not installed.

Key Details

• bash: command: command not found
• Shell searched all PATH directories without finding the command
• The program may not be installed
• PATH variable may be misconfigured

Common Causes

• Program is not installed on the system
• Program not in any directory listed in $PATH
• Typo in the command name
• Shell profile not loaded (non-login shell)

Steps

1. 1Check if installed: which commandname or type commandname
2. 2Install the package: apt install packagename or yum install packagename
3. 3Check PATH: echo $PATH
4. 4Use full path: /usr/local/bin/commandname

Tags

More in Command

Frequently Asked Questions