Instant Linux Permissions Calculator
Calculate `chmod` octal values visually or decode numeric permissions into symbolic formats.
STEP 1
Toggle Read, Write, and Execute checkboxes.
STEP 2
Watch the octal and symbolic values update live.
STEP 3
Copy the resulting command for your terminal.
Owner
Group
Public
OCTAL VALUE
SYMBOLIC NOTATION
Permissions updated.
Why Use JustChmod?
Linux file permissions dictate who can read, write, or execute files on a server. The math behind the `chmod` command adds up values for Read (4), Write (2), and Execute (1) across three user groups (Owner, Group, Public). JustChmod removes the mental math, allowing you to visually construct or decode these permissions in real-time.