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Unix Permission Calculator

Convert between numeric (755) and symbolic (rwxr-xr-x) Unix file permissions

Unix Permission Calculator

Unix Permission Calculator
Convert between numeric and symbolic permissions

Enter 3 or 4 digit octal (000-7777)

Quick Reference
Result
Permission breakdown
Numeric
755
Symbolic
rwxr-xr-x
Command
chmod 755 file
Permission Breakdown
Owner: read, write, execute | Group: read, execute | Others: read, execute
Owner
r
r
w
w
x
x
Group
r
r
-
w
x
x
Others
r
r
-
w
x
x

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