login(1) on macOS
The text e6ea0ece92a4, as Mac OS X 10.5.8, Mac OS X 10.5.7, 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.
log into the computer
Flags it lists
-
-f -
-h -
-l -
-p -
-q