Chmod calculator
Check permissions per group, or type an octal value directly — both stay in sync.
rwxr-xr-x
chmod 755 file
What is Chmod calculator?
Unix file permissions are stored as three sets of read/write/execute flags — for the file's owner, its group, and everyone else — commonly written as a 3-digit octal number like 755 or 644.
How to use it
Check the permissions you want per group, or type an octal number directly — the checkboxes, symbolic notation (rwxr-xr-x), and the ready-to-run chmod command all stay in sync.
Example
755 = rwxr-xr-x = owner can read/write/execute, group and others can read/execute only.