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Unix Permission Calculator

Calculate Unix file permissions in numeric and symbolic notation

Read (r) Write (w) Execute (x)
Owner
Group
Others
Numeric (Octal)
755
Symbolic
rwxr-xr-x
Command
chmod 755 file

How it works

  • Toggle checkboxes or type an octal number
  • Shows numeric, symbolic, and command representations
  • Quick presets for common permission sets

Want to learn more?

Read the complete guide with examples and tips

Read guide