Unix Permissions Calculator

Enter an octal value (e.g. 755) or symbolic notation (e.g. rwxr-xr-x) to get the full permission breakdown.

Input Section

Octal (e.g. 755) or symbolic (e.g. rwxr-xr-x)

Common values

644

755

777

700

600

rwxr-xr-x

rw-r--r--

Output Section

Symbolic

rwxr-xr-x

Octal

755

Owner

read, write, execute

Group

read, execute

Others

read, execute

What does 755 mean?

Owner has read/write/execute; group and others have read/execute only. Common for executables and directories.

What is 644 used for?

Owner has read/write; group and others have read only. Standard for regular files like configs and HTML.