dropuser --version (return code: 0)
dropuser (PostgreSQL) 9.5.6
dropuser --help (return code: 0)
dropuser removes a PostgreSQL role.
Usage:
dropuser [OPTION]... [ROLENAME]
Options:
-e, --echo show the commands being sent to the server
-i, --interactive prompt before deleting anything, and prompt for
role name if not specified
-V, --version output version information, then exit
--if-exists don't report error if user doesn't exist
-?, --help show this help, then exit
Connection options:
-h, --host=HOSTNAME database server host or socket directory
-p, --port=PORT database server port
-U, --username=USERNAME user name to connect as (not the one to drop)
-w, --no-password never prompt for password
-W, --password force password prompt
Report bugs to <pgsql-bugs@postgresql.org>.