Unix Permission Calculator
Convert between numeric and symbolic permissions

Enter 3 or 4 digit octal permission (000-7777)

Quick Reference:

755 - rwxr-xr-x (executable)
644 - rw-r--r-- (document)
700 - rwx------ (private)
777 - rwxrwxrwx (full access)
Result

Numeric

755

Symbolic

rwxr-xr-x

Command

chmod 755 file

Permission Breakdown

Owner: read, write, execute | Group: read, execute | Others: read, execute

Owner

rwx

Group

r-x

Others

r-x

Unix permissions control file access. The numeric format (like 755) uses octal values: read=4, write=2, execute=1. Symbolic format (rwxr-xr-x) shows permissions for owner, group, and others.