Category: Operating Systems

DOS 4.1 For the Apple II

Hidden in the wings of the Apple II world has been a gem of an operating system re-build, DOS 4.1. The new DOS is a complete re-work of DOS 3.3 from the perspective of retired Raytheon engineer and former Sierra On-Line developer, Walland Philip Vrbancic. Changes in DOS 4.1 Included in this new version of […]

A2OSX updated

The floppies for the A2OSX multi-tasking operating system project have been updated. The update to the version 0.92 has been ongoing for several months now with all but two or three items remaining in the 0.91 version. The project is currently run by Remy Gibert with programming help from Patrick Kloepher. The aim of the […]

GEOS for Apple ][ File Strucures Explained

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 […]