gt4-interface-install(8) on Linux
The text 81d079c37b31, as Debian 13 (Trixie), Debian 12 (Bookworm), Debian 11 (Bullseye), Debian 10 (Buster), Debian 9 (Stretch), Debian 8 (Jessie) shipped it. The page shows this text now.
install the LCAS/LCMAPS mapper GSI call-out