xclip(1) on Linux
The text 878ec6714c23, as Debian 9 (Stretch), Debian 8 (Jessie), Debian 7 (Wheezy) shipped it.
command line interface to X selections (clipboard)
Flags it lists
-
-d -
-display -
-f -
-filter -
-h -
-help -
-i -
-in -
-l -
-loops -
-noutf8 -
-o -
-out -
-quiet -
-selection -
-silent -
-t -
-target -
-verbose -
-version