Chmod Calculator

Calculate Linux file permissions with an interactive chmod calculator.

OwnerGroupPublic
Read
Write
Exec
755
rwxr-xr-x

Common Presets

Permission Reference

Numeric Values

  • 4 - Read (r)
  • 2 - Write (w)
  • 1 - Execute (x)
  • 0 - No permission (-)

Common Examples

  • 755 - rwxr-xr-x (executable)
  • 644 - rw-r--r-- (regular file)
  • 777 - rwxrwxrwx (full access)
  • 600 - rw------- (private)