CTSS (Compatible Time-Sharing System)

URI: https://gptkb.org/entity/CTSS_(Compatible_Time-Sharing_System)
GPTKB entity
Statements (50)
Predicate Object
gptkbp:instanceOf gptkb:operating_system
gptkbp:category time-sharing systems
MIT software projects
historical operating systems
gptkbp:countryOfOrigin gptkb:MIT_Computation_Center
gptkbp:designedFor gptkb:IBM_7090
gptkb:IBM_7094
gptkbp:developedBy gptkb:Massachusetts_Institute_of_Technology
gptkbp:documentation gptkb:The_Compatible_Time-Sharing_System:_A_Programmer's_Guide
gptkb:The_Compatible_Time-Sharing_System:_A_Reference_Manual
gptkbp:firstReleased 1961
gptkbp:historicalSignificance one of the first time-sharing operating systems
https://www.w3.org/2000/01/rdf-schema#label CTSS (Compatible Time-Sharing System)
gptkbp:influenced gptkb:Multics
gptkb:UNIX
gptkbp:lastOperationalYear 1973
gptkbp:mainLanguage gptkb:assembly_language
gptkbp:notableContributor enabled interactive computing
enabled remote access via terminals
influenced modern operating system design
introduced password security
introduced per-user file directories
precursor to Multics and UNIX
gptkbp:notableFeature gptkb:editor
gptkb:graphical_user_interface
time-sharing
file system with per-user directories
password login
background printing
gptkbp:notablePerson gptkb:Edward_Fredkin
gptkb:Fernando_J._Corbató
gptkb:J.C.R._Licklider
gptkb:Louis_Pouzin
gptkb:Robert_Fano
gptkb:Herbert_Teager
gptkb:Jack_B._Dennis
gptkb:Philip_M._Morse
gptkb:Tom_Van_Vleck
gptkb:Robert_M._Graham
gptkb:Allan_Scherr
gptkb:Marjorie_Daggett
gptkbp:operates gptkb:IBM_7090
gptkb:IBM_7094
gptkbp:status discontinued
gptkbp:supportedUsers multiple simultaneous users
gptkbp:usedFor education
software development
academic research
gptkbp:bfsParent gptkb:Jerry_Saltzer
gptkbp:bfsLayer 5