Changes
/* Graphical user interfaces / Shells */
* [[Desktop Environment System|DES]] (Desktop Environment System) ([[Campursoft]])
* [[FutureOS]] ([[TFM]] / [[FutureSoft]])
* [[GENO]]([[GHE]])
* [[Mouse Operating System (M.O.S.)]] ([[Star Division]]) (1987)
* [[Stream2]] ([[Advanced Software Project]])