DDOS is a floppy disc operating system from the German company [[Dobbertin]] Industrie Electronic.
DDOS can be used as a rom 7 replacement.
DDOS has the ROM name 'CPM ROM' but shows a sign-on message of "DDOS 2.00 (C)1988 Dobbertin GmbH"
* DDOS can be used as a rom 7 replacement.
* DDOS is compatible with AMSDOS and VDOS
== RSX commands ==