tcpdump(1) on macOS
The text 5224cad31b64, as Mac OS X 10.2.8.G5, Mac OS X 10.2.8, Mac OS X 10.2.7, Mac OS X 10.2.6, Mac OS X 10.2.5, Mac OS X 10.2.4, Mac OS X 10.2.3, Mac OS X 10.2.2, Mac OS X 10.2.1, Mac OS X 10.2 shipped it.
dump traffic on a network
Flags it lists
-
-C -
-E -
-F -
-N -
-O -
-R -
-S -
-T -
-X -
-a -
-c -
-d -
-dd -
-ddd -
-e -
-f -
-i -
-l -
-m -
-n -
-p -
-q -
-r -
-s -
-t -
-tt -
-ttt -
-tttt -
-v -
-vv -
-vvv -
-w -
-x