htpasswd(1) on Linux
The text 5aa0e610185b, as Debian 11 (Bullseye) shipped it.
Manage user files for basic authentication
Flags it lists
-
-2 -
-5 -
-B -
-C -
-D -
-b -
-c -
-d -
-i -
-m -
-n -
-p -
-r -
-s -
-v