SHMARQL

TOPS-20

<http://www.wikidata.org/entity/Q1481861>

operating system by Digital Equipment Corporation
TOPS-20
rdfs:label
"TOPS-20"@en
skos:altLabel
"Twenex"@en
schema:description
"operating system by Digital Equipment Corporation"@en
schema:dateModified "2026-03-24T15:05:11+00:00"^^xsd:dateTime
schema:version 2475050466
wikibase:identifiers 2
wikibase:sitelinks 14
wikibase:statements 44
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p:direct-normalized/P227 <https://d-nb.info/gnd/1077613032>
wdt:P144 TENEX
wdt:P1552 copy-on-write
virtual memory
time-sharing
wdt:P178 Leonard Bosack
Daniel Murphy
Digital Equipment Corporation
wdt:P18 <http://commons.wikimedia.org/wiki/Special:FilePath/TOPS-20.png>
wdt:P2078 <https://livingcomputers.org/UI/UserDocs/TOPS-20-v7-1/1_TOPS-20_User-s_Guide.pdf>
<https://livingcomputers.org/UI/UserDocs/TOPS-20-v7-1/4_TOPS-20_Monitor_Calls_User-s_Guide.pdf>
wdt:P227 "1077613032"
wdt:P2670 computer network protocol
file system
batch processing
wdt:P277 MACRO-10
wdt:P31 proprietary software
operating system
wdt:P348 "1"
"101B"
"1A"
"1B"
"2"
"3"
"3A"
"4"
"4.1"
"5.0"
"5.1"
"5.2"
"5.3"
"5.4"
"6.0"
"6.1"
"7.0"
wdt:P373 "TOPS-20"
wdt:P400 DECSYSTEM-20
wdt:P407 English
wdt:P4387 magnetic tape
wdt:P479 command-line interface
wdt:P571 "1973-01-01T00:00:00+00:00"^^xsd:dateTime
wdt:P577 "1976-01-01T00:00:00+00:00"^^xsd:dateTime
wdt:P646 "/m/0hk03"
wdt:P8956 TOPS-10
wdt:P943 Daniel Murphy
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