Exit Code 126/127 Not Executable / Command Not Found

In short: 126 means “not executable”, 127 “command not found”.

In more detail: Both often occur with scripts and installations.

In Depth

Possible causes

• Missing execute permissions (126).
• Command not installed or not in PATH (127).
• Typo.

Solutions

1. chmod +x script.sh for 126.
2. Install the program or extend PATH for 127.
3. Check the spelling.

See also: Bash, Shell, Linux