chmod

Change file permission bits.

Potentially destructive Last updated: 2026-07-05 Report error

Syntax

$chmod [OPTIONS] MODE FILE...

Examples

$chmod 755 file.sh

Examples

$chmod +x script.sh

Typical use cases

Make executable

chmod +x script.sh

Set permissions

chmod 755 file.sh

Note Accepts symbolic (u+x) or octal (755) modes.

Export