Free online Unix file permissions calculator. Visually set read/write/execute permissions and automatically generate octal and symbolic permission values. Supports chmod command generation.
System Administration · Works OfflineCheck permission boxes to auto-calculate octal values and chmod commands. | No registration · Data stays private
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Unix file permissions use a 3-digit octal number: owner/group/others read(4)+write(2)+execute(1) permissions.
Owner can read/write/execute (rwx), group and others can read/execute (r-x). Common for directories and executables.