Other operating systems available include NetBSD for X68030 and OS-9.Įarly models have a GUI called 'VS' or 'Visual Shell' later ones were originally packaged with SX-WINDOW. At least three major versions of the OS were released, with several updates in between. Versions of the OS prior to 2.0 have command line output only for common utilities like 'format' and 'switch', while later versions included forms-based versions of these utilities. An MS-DOS-workalike, Human68k features English-based commands very similar to those in MS-DOS executable files have the extension. The X68k runs an operating system called Human68k which was developed for Sharp by Hudson Soft.