ttyplot(1) on Linux
The text 8bf1c4faded8, as Debian 13 (Trixie) shipped it. The page shows this text now.
realtime terminal plotting utility
Flags it lists
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-2 -
-E -
-M -
-c -
-e -
-h -
-m -
-r -
-s -
-t -
-u -
-v