cyrus-sync_client(8) on Linux
The text 66a85f722572, as Debian 8 (Jessie), Debian 7 (Wheezy) shipped it.
client side of the synchronization (replication) engine
Flags it lists
-
-l -
-m -
-n -
-o -
-r -
-s -
-u -
-v -
-z