Category: GEOS

Oliver Schmidt, long known for his work on several projects in the Apple][ community including Contiki and Applewin, has now delved into documenting the internals of  GEOS, the Berkeley Softworks  produced operating system for the Apple ][. In his announcement in the comp.sys.apple2 newsgroup, Oliver says” Although the Apple GEOS filesystem is based on ProDOS 8 the Apple GEOS  files are not standard ProDOS 8 files. I’m not refering to file  content here but to the file structure – meaning…

In 1988, Berkeley Softworks came out with what was then one of the premier operating systems for the Apple ][ series computers.  The Graphic Environment Operating System, or GEOS for short was to put it mildly, a revolution in the way that the Apple //e handled its programs.  Using capabilities only available on the Apple IIgs and other personal computers on the higher end of the spectrum of the time, Berkeley Softworks gave the lowly Apple //e, //c, and the…