passwd(1) on Linux
The text ecdc1c594323, as Debian 1.2 (Rex), Debian 1.1 (Buzz) shipped it.
change password
Flags it lists
-
--force -
--fullname -
--quiet -
--shell -
--silent -
--version -
-V -
-f -
-o -
-q -
-s -
-v