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Chmod Calculator
Calculate Unix/Linux file permissions in octal and symbolic notation.
Chmod Calculator
Calculate Unix file permissions in octal and symbolic notation
Octal Value
Read
(4)
Write
(2)
Execute
(1)
Value
Owner
6
Group
4
Others
4
Octal
chmod 644
Symbolic
-rw-r--r--
-
r
w
-
r
-
-
r
-
-
Common Permissions
755
Owner rwx, Group rx, Others rx (directories, executables)
644
Owner rw, Group r, Others r (regular files)
777
Everyone rwx (full access - use with caution)
700
Owner rwx only (private)
600
Owner rw only (private files)
666
Everyone rw (no execute)
750
Owner rwx, Group rx (shared executables)
640
Owner rw, Group r (shared files)