About: MIPS RISC/os

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An Entity of Type : wikidata:Q7397, within Data Space : el.dbpedia.org associated with source document(s)

RISC/os is a discontinued UNIX operating system developed by MIPS Computer Systems, Inc. from 1985 to 1992, for their computer workstations and servers, including such models as the MIPS M/120 server and MIPS Magnum workstation. It was also known as UMIPS or MIPS OS. Because of its early UNIX heritage, RISC/os was limited in comparison to modern UNIX variants – for example, even the last releases of RISC/os did not support shared libraries. In July 1992, Silicon Graphics purchased MIPS Computer Systems for $220M. Support for RISC/os was subsequently phased out.

Attributes	Values
rdf:type	Thing software work schema:CreativeWork wikidata:Q386724 wikidata:Q7397
rdfs:label	MIPS RISC/os (en)
rdfs:comment	RISC/os is a discontinued UNIX operating system developed by MIPS Computer Systems, Inc. from 1985 to 1992, for their computer workstations and servers, including such models as the MIPS M/120 server and MIPS Magnum workstation. It was also known as UMIPS or MIPS OS. Because of its early UNIX heritage, RISC/os was limited in comparison to modern UNIX variants – for example, even the last releases of RISC/os did not support shared libraries. In July 1992, Silicon Graphics purchased MIPS Computer Systems for $220M. Support for RISC/os was subsequently phased out. (en)
sameAs	MIPS RISC/os MIPS RISC/os
dbp:wikiPageUsesTemplate	dbt:Citation_needed dbt:Distinguish dbt:Infobox_OS dbt:Refimprove dbt:Reflist dbt:Snd dbt:Unix-like
Subject	MIPS operating systems Discontinued operating systems UNIX System V Unix variants MIPS Technologies
status	Discontinued
foaf:name	RISC/os (en)
gold:hypernym	UNIX
dbp:wordnet_type	http://www.w3.org/2006/03/wn/wn20/instances/synset-operating_system-noun-1
prov:wasDerivedFrom	http://en.wikipedia.org/wiki/MIPS_RISC/os?oldid=982315703&ns=0
Wikipage page ID	1362775 (xsd:integer)
page length (characters) of wiki page	3698 (xsd:nonNegativeInteger)
Wikipage revision ID	982315703 (xsd:integer)
Link from a Wikipage to another Wikipage	Workstation MIPS operating systems 32-bit computing 64-bit computing Berkeley Software Distribution Universe (Unix) Unix Discontinued operating systems UNIX System V Unix variants MIPS Technologies Digital Equipment Corporation Server (computing) Timeline of operating systems History of the Berkeley Software Distribution List of compilers Operating system 6-way UNIX System V Library (computing) MIPS Magnum MIPS Technologies MIPS architecture R4000 R6000 RISC OS Reduced instruction set computer Silicon Graphics Stardent Inc.
developer	MIPS Technologies
has abstract	RISC/os is a discontinued UNIX operating system developed by MIPS Computer Systems, Inc. from 1985 to 1992, for their computer workstations and servers, including such models as the MIPS M/120 server and MIPS Magnum workstation. It was also known as UMIPS or MIPS OS. RISC/os was based largely on UNIX System V with additions from 4.3BSD UNIX, ported to the MIPS architecture. It was a "dual-universe" operating system, meaning that it had separate, switchable runtime environments providing compatibility with either System V Release 3 or 4.3BSD. MIPS OS was one of the first 32-bit operating systems for RISC-based workstation-class computers. It was also one of the first 64-bit Unix releases for RISC based microprocessors, with the first 64-bit versions appearing in 1990. MIPS OS supported full 32-bit and 64-bit applications simultaneously using the underlying hardware architecture supporting the MIPS-IV instruction set. Later releases added support for System V Release 4 compatibility, R6000 processor support and later symmetric multiprocessing support on the R4400 and R6000 processors. During the early 1990s, several vendors including DEC, Silicon Graphics, and Ardent licensed portions of the software MIPS had written for the RISC/os for their own Unix variants. Evans & Sutherland licensed RISC/os directly for its ESV series workstations. MIPS' influence was most visible as the C compiler and development tools shared by virtually all commercial Unixes for the MIPS processor, the low memory operating system code, and the ROM code for MIPS processors. Because of its early UNIX heritage, RISC/os was limited in comparison to modern UNIX variants – for example, even the last releases of RISC/os did not support shared libraries. In July 1992, Silicon Graphics purchased MIPS Computer Systems for $220M. Support for RISC/os was subsequently phased out. (en)
foaf:isPrimaryTopicOf	http://en.wikipedia.org/wiki/MIPS_RISC/os
is Wikipage redirect of	RiscOS RISCwindows MIPS OS RISC/os UMIPS
is Link from a Wikipage to another Wikipage of	ARM architecture family Digger (video game) Jazz (computer) List of display servers List of operating systems MIPS Magnum MIPS OS MIPS architecture processors
is foaf:primaryTopic of	http://en.wikipedia.org/wiki/MIPS_RISC/os

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