mlist(1) on Linux
The text 242bd78a1c30, as Debian 10 (Buster) shipped it.
list and filter messages
Flags it lists
-
-C -
-D -
-F -
-N -
-P -
-R -
-S -
-T -
-X -
-c -
-d -
-f -
-i -
-n -
-p -
-r -
-s -
-t -
-x