vga_copytoplane(3) on Linux
The text d6ed6ee12884, as Debian 7 (Wheezy), Debian 6.0 (Squeeze), Debian 5.0 (Lenny), Debian 4.0 (Etch), Debian 3.1 (Sarge) shipped it. The page shows this text now.
copy linear pixmap to some planes of VGA 16 color mode video memory