autocutsel(1) on Linux
The text af1611a57620, as Debian 8 (Jessie), Debian 7 (Wheezy) shipped it.
keep the X clipboard and the cutbuffer in sync
Flags it lists
-
-buttonup -
-cutbuffer -
-d -
-debug -
-f -
-fork -
-p -
-pause -
-s -
-sel -
-select -
-selection -
-v -
-verbose