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Commercial Operating System

Today we want to talk about Commercial Operating System, a topic that has gained great relevance in recent times. Since its emergence, Commercial Operating System has captured the attention of many, becoming a topic of widespread interest. Its impact spans different areas, from politics to popular culture, and has generated discussions and debates around the world. In this article, we will explore Commercial Operating System in depth, analyzing its importance, implications, and evolution over time. From its origins to its current state, we will delve into the universe of Commercial Operating System to understand its fascinating and complex nature.

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Commercial Operating System (COS)
DeveloperDigital Equipment Corporation
Initial release1972[1]
Available inEnglish
Supported platformsPDP-8, PDP-11, DECmate II
LicenseProprietary
Preceded byMS/8

Commercial Operating System (COS) is a discontinued family of operating systems from Digital Equipment Corporation.[2]

They supported the use of DIBOL, a programming language combining features of BASIC, FORTRAN and COBOL.[3] COS also supported IBM RPG (Report Program Generator).[1]

Implementations

The Commercial Operating System was implemented to run on hardware from the PDP-8[4] and PDP-11 families.

COS-310

COS-310 was developed for the PDP-8 to provide an operating environment for DIBOL. A COS-310 system was purchased as a package which included a desk, VT52 VDT (Video Display Tube), and a pair of eight inch floppy drives. It could optionally be purchased with one or more 2.5 MB removable media hard drives. COS-310 was one of the operating systems available on the DECmate II.[a][b]

COS-350

COS-350 was developed to support the PDP-11 port of DIBOL, and was the focus for some vendors of turnkey software packages.[5]

Pre-COS-350, a PDP 11/05 single-user batch-oriented implementation was released; the multi-user PDP 11/10-based COS came about 4 years later.[1] The much more powerful PDP-11/34 "added significant configuration flexibility and expansion capability.": p.69 

See also

Notes

  1. ^ the other was WPS-8
  2. ^ There was a product named COS-300, and some DEC manuals are named with both 300 & 310.

References

  1. ^ a b c DIGITAL EQUIPMENT CORPORATION - Nineteen Fifty-Seven To The Present (PDF). Digital Equipment Corporation. 1978.
  2. ^ Binh Nguyen. Linux Dictionary. p. 424., citing "QUECID".
  3. ^ "Time-Sharing Uses Emphasized For DEC Datasystem 350 Series". Computerworld. July 30, 1975. p. 19. Dibol Under COS: The series operates under the Commercial Operating System (COS) 350, which provides timesharing with a high-speed response.
  4. ^ PDP 8/e Small Computer Handbook. Digital Equipment Corporation. 1973. pp. 2-19 thru 2-20.
  5. ^ "Time-Sharing Uses Emphasized For DEC Datasystem 350 Series". Computerworld. July 30, 1975. p. 19.
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