chmod(1) on macOS
The text 04a5e34e22fb, as Mac OS X 10.3.9, Mac OS X 10.3.8, Mac OS X 10.3.7, Mac OS X 10.3.6, Mac OS X 10.3.5, Mac OS X 10.3.4, Mac OS X 10.3.3, Mac OS X 10.3.2, Mac OS X 10.3.1, Mac OS X 10.3 shipped it.
change file modes
Flags it lists
-
-H -
-L -
-P -
-R -
-f -
-h -
-v