mon(8) on Linux
The text a17685b573bc, as Debian 4.0 (Etch), Debian 3.1 (Sarge) shipped it.
monitor services for availability, sending alarms upon failures.
Flags it lists
-
-A -
-B -
-D -
-L -
-M -
-P -
-S -
-a -
-b -
-c -
-d -
-f -
-h -
-i -
-k -
-l -
-m -
-p -
-r -
-s -
-v