sync_members(8) on Linux
The text 450caa50eb80, as Debian 10 (Buster), Debian 9 (Stretch), Debian 8 (Jessie), Debian 7 (Wheezy) shipped it. The page shows this text now.
Synchronize a Mailman mailing list's membership with a flat file.
Flags it lists
-
--file -
--help -
--no-change -
-f -
-h -
-n