A related term for this from the Jargon File is the "molly-guard" > molly-guard: n. > [University of Illinois] A shield to prevent tripping of some Big Red

A related term for this from the Jargon File is the "molly-guard" > molly-guard: n. > [University of Illinois] A shield to prevent tripping of some Big Red Switch by clumsy or ignorant hands. Originally used of the plexiglass covers improvised for the BRS on an IBM 4341 after a programmer's toddler daughter (named Molly) frobbed it twice in one day. Later generalized to covers over stop/reset switches on disk drives and networking equipment. In hardware catalogues, you'll see the much less interesting description “guarded button". There is a Debian package with the same name that does the same thing: replaces shutdown and reboot scripts with ones that need an additional confirmation before you bring the machine down.