Chmod Calculator
Symbolic to numeric Unix permissions and back
Octal Notation
Permissions
| Read (4) | Write (2) | Execute (1) | Octal | |
|---|---|---|---|---|
| Owner | 7 | |||
| Group | 5 | |||
| Others | 5 |
Commands
Symbolic
rwxr-xr-x
chmod command
chmod 755 filename
Common Permissions
What is chmod?
chmod sets file permissions on Unix systems. Permissions are expressed as a three-digit octal number (like 755) or symbolic notation (like rwxr-xr-x), controlling read, write, and execute access for the owner, group, and everyone else.