writetmp(8) on Linux
The text e7166561b375, as Debian 2.2 (Potato) shipped it.
write special wtmp entries to a wtmp file.
Flags it lists
-
--help -
--version -
-X -
-X4 -
-c -
-h -
-i -
-l -
-p -
-t -
-u -
-w