Build mode: tick boxes to generate a chmod command. Decode mode: type an octal value to see what it means.
Run the file with the owner's privileges instead of the calling user's. Shown as "s" in the owner execute slot.
Run with group privileges; in a directory, new files inherit the group. Shown as "s" in the group execute slot.
In a shared directory, only the file owner can delete or rename a file. Shown as "t" in the others execute slot.
Used only in the generated chmod command output.
Add the -R flag to apply permissions to all files and subdirectories.