xpaste(1x) on Linux
The text e461a7e322c7, as Debian 3.0 (Woody), Debian 2.2 (Potato), Debian 2.1 (Slink), Debian 2.0 (Hamm), Debian 1.3 (Bo), Debian 1.2 (Rex) shipped it. The page shows this text now.
pop up a window within which the contents of the primary selection buffer is pasted.