chpass(1) on macOS
The text 4b63b5b11af8, as Mac OS X 10.5.6, Mac OS X 10.5.5, Mac OS X 10.5.4, Mac OS X 10.5.3, Mac OS X 10.5.2, Mac OS X 10.5.1, Mac OS X 10.5 shipped it.
add or change user database information
Flags it lists
-
-l -
-s -
-u