http://www.happypenguin.org/show?Nethack%20Linux

Description: This is a one floppy disk live system to play nethack
on any PC you may encounter but be unable to install nethack on.
Play nethack at work, school, university or at your friends place
without leaving a trace. Savegames are kept on the floppy as far as
the 227k free space will bring you.

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