cutsel(1) on Linux
The text 02eb676668c5, as Debian 6.0 (Squeeze), Debian 5.0 (Lenny) shipped it.
show information about the X clipboard and the cutbuffer in sync
Flags it lists
-
-cutbuffer -
-d -
-debug -
-s -
-sel -
-select -
-selection -
-v -
-verbose