Commercial Operating System: Difference between revisions

Revision as of 19:08, 2 November 2022

Latest revision as of 23:48, 29 June 2023

(5 intermediate revisions by 4 users not shown)

Line 16:

| working state = <!-- "Current", "Discontinued" (operating systems), or "No longer supported" (releases) -->

| source model = <!-- "Open source", "Closed source", or "Shared source" -->

| released = 1972<ref name=D1957></ref>

| discontinued = <!-- DON'T use this for articles about releases of operating systems -->

| RTM date = <!-- {{Start date and age|YYYY|MM|DD|df=yes/no}} ONLY for articles about OS releases -->

Line 44:

|author=Binh Nguyen}}, citing {{cite web |title=QUECID |url=http://www.tldp.org/LDP/Linux-Dictionary/html/index.html}}</ref>

They supported the use of [[DIBOL]], a programming language combining features of [[BASIC]], [[FORTRAN]] and [[COBOL]].<ref>{{cite news |newspaper=Computerworld |date=July 30, 1975 |url=https://books.google.com/books?id=jT2fQqJplN8C&lpg=PA1&pg=PT29 |title=Time-Sharing Uses Emphasized For DEC Datasystem 350 Series |page=19|quote=Dibol Under COS: The series operates under the Commercial Operating System (COS) 350, which provides timesharing with a high-speed response.}}</ref> COS also supported [[IBM RPG]] (Report Program Generator).<ref name=D1957>{{cite book

|title=DIGITAL EQUIPMENT CORPORATION - Nineteen Fifty-Seven To The Present

|url=http://s3data.computerhistory.org/pdp-1/dec.digital_1957_to_the_present_(1978).1957-1978.102630349.pdf

|date=19751978 |publisher=Digital Equipment Corporation}}</ref>

==Implementations==

The Commercial Operating System was implemented to run on hardware from the PDP-8<ref name=HandB.8e>{{cite book

|title=PDP 8/e Small Computer Handbook

|date=1973 |publisher=Digital Equipment Corporation|pages= 2-19 thru 2-20}}</ref> and PDP-11 familyfamilies.

===COS-310===

Line 59:

===COS-350===

'''COS-350''' was developed to support the PDP-11 [[porting|port]] of DIBOL, and was the focus for some vendors of [[turnkey]] software packages.<ref>{{cite news |newspaper=Computerworld |date=July 30, 1975

|url=https://books.google.com/books?id=jT2fQqJplN8C&lpg=PA1&pg=PT29 |title=Time-Sharing Uses Emphasized For DEC Datasystem 350 Series |page=19}}</ref>

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.<ref name=D1957/> The much more powerful PDP-11/34 "added significant configuration flexibility and expansion capability."{{rp|p.69}}