It was provided for use with the [[Vortex Disc Drives]] from [[Vortex]] (F1-D, F1-S, F1-X, M1-D, M1-S or M1-X).
VDOS was supplied on an [[EPROM]], and was released in 3 versions: * VDOS 1.0, * VDOS 2.0 and * VDOS 2.11
The VDOS ROM also contained a machine language monitor.
VDOS supported as first DOS the Vortex format, which become a standard format later on.
== ROMs ==
== Manual ==