RDOS may refer to:
*
Regional District of Okanagan-Similkameen, a regional district of British Columbia
*
Data General RDOS, a real-time operating system by Data General since 1972
*
Cromemco RDOS, the resident operating system on some Cromemco S-100 cards
*
RDOS (Microsoft), a name sometimes used for the Russian versions of MS-DOS 4.01 and 5.00
*
RDOS (Ekblad), a 32-bit DOS-compatible operating system by Leif Ekblad since 1988
See also
*
DOS (disambiguation)
*
ROS (disambiguation)
Ros or ROS or RoS may refer to:
Organizations
* Raggruppamento Operativo Speciale, the Anti-organized Crime Branch of the Italian Carabinieri
* Registers of Scotland, a Scottish authority responsible for compiling and maintaining records
* Reparti ...
*
RTOS, real-time operating system
*
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