chmod(1) on macOS
The text a2b090cd1986, as Mac OS X 10.4.11.x86, Mac OS X 10.4.11.ppc shipped it.
change file modes or Access Control Lists
Flags it lists
-
-C -
-E -
-H -
-I -
-L -
-N -
-P -
-R -
-a -
-f -
-i -
-v