smemstat(8) on Linux
The text e9b33eb24007, as Debian 12 (Bookworm) 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