PDOS (operating system)

PDOS is a discontinued multiuser multitasking{{cite journal|last=Roper|first=Paul R|title=68000 PDOS — an overview|journal=Microprocessors and Microsystems|volume=8|issue=9|pages=458–469|doi=10.1016/0141-9331(84)90500-3|year=1984}} operating system, written in assembly language{{cite book|journal=National Telesystems Conference|title=NTC-92 : May 19 - 20, 1992, George Washington University, Virginia Campus, Washington, D.C.|date=1992|publisher=Inst. of Electr. and Electronics Engineers|location=New York|isbn=978-0780305540|pages=12–26}} developed in the early 1980s by the Eyring Research Institute for the Texas Instruments TMS9900 processor, and later ported to the Motorola 68000 processor. At the time its speed, accuracy and power made it ideal for process control.{{Citation needed|date=May 2014}} It was used in system development for education and industrial uses.{{Citation needed|date=May 2014}} Eyring also sold application programs (e.g. a statistics package) for the operating system.{{cite journal|title=New Products/Microcomputers|journal=Computerworld|date=24 February 1986|volume=20|issue=8|page=79|url=https://books.google.com/books?id=G_m3SUQAdGsC&dq=PDOS+motorola&pg=PA79|accessdate=7 May 2014|last1=Enterprise|first1=I.D.G}}