PDOS (operating System)
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PDOS is a discontinued multiuser multitasking operating system, written in
assembly language In computing, assembly language (alternatively assembler language or symbolic machine code), often referred to simply as assembly and commonly abbreviated as ASM or asm, is any low-level programming language with a very strong correspondence bet ...
developed in the early 1980s by the Eyring Research Institute for the
Texas Instruments TMS9900 The TMS9900 was one of the first commercially available single-chip 16-bit microprocessors. Introduced in June 1976, it implemented Texas Instruments's TI-990 minicomputer architecture in a single-chip format, and was initially used for low-end ...
processor, and later ported to the
Motorola 68000 The Motorola 68000 (sometimes shortened to Motorola 68k or m68k and usually pronounced "sixty-eight-thousand") is a 16/32-bit complex instruction set computer (CISC) microprocessor, introduced in 1979 by Motorola Semiconductor Products Sector ...
processor. At the time its speed, accuracy and power made it ideal for process control. It was used in system development for education and industrial uses. Eyring also sold application programs (e.g. a statistics package) for the operating system.


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Monolithic kernels 68k architecture {{Operating-system-stub