smemstat(8) on Linux
The text 782d271f1483, as Debian 10 (Buster) shipped it.
report memory usage with shared memory divided proportionally
Flags it lists
-
-T -
-a -
-c -
-d -
-g -
-h -
-k -
-l -
-m -
-o -
-p -
-q -
-s -
-t