CSI-DOS is an

operating system An operating system (OS) is system software that manages computer hardware, software resources, and provides common daemon (computing), services for computer programs. Time-sharing operating systems scheduler (computing), schedule tasks for ef ...

, created in

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, for the

Soviet The Soviet Union,. officially the Union of Soviet Socialist Republics. (USSR),. was a transcontinental country that spanned much of Eurasia from 1922 to 1991. A flagship communist state, it was nominally a federal union of fifteen national ...

Elektronika BK-0011M and Elektronika BK-0011

microcomputer A microcomputer is a small, relatively inexpensive computer having a central processing unit (CPU) made out of a microprocessor. The computer also includes memory and input/output (I/O) circuitry together mounted on a printed circuit board (P ...

s. CSI-DOS did not support the earlier BK-0010. CSI-DOS used its own unique

file system In computing, file system or filesystem (often abbreviated to fs) is a method and data structure that the operating system uses to control how data is stored and retrieved. Without a file system, data placed in a storage medium would be one lar ...

and only supported a color graphics video mode. The system supported both hard and floppy drives as well as

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s in the computer's memory. It also included software to work with the AY-3-8910 and AY-3-8912 music co-processors, and the

Covox Speech Thing The Covox Speech Thing is an external audio device attached to the computer to output digital sound. It was composed of a primitive 8-bit DAC using a resistor ladder and an analogue signal output, and plugged into the printer port of the PC. T ...

. There are a number of games and demos designed specially for the system. The system also included a Turbo Vision-like application programming interface (API) allowing simpler design of user applications, and a graphical file manager called ''X-Shell''.

External links

Article, contains description of some advantages of CSI-DOS for gaming over other OSs (Russian)
Elektronika BK operating systems {{operating-system-stub