Compatible Time-Sharing System (CTSS)

GPTKB entity

Predicate	Object
gptkbp:instanceOf	gptkb:operating_system
gptkbp:countryOfOrigin	gptkb:MIT_Computation_Center
gptkbp:developedBy	gptkb:Massachusetts_Institute_of_Technology
gptkbp:discontinued	1973
gptkbp:firstReleased	1961
gptkbp:hasFeature	gptkb:graphical_user_interface file sharing interactive computing batch processing remote terminal access user accounts
gptkbp:historicalSignificance	first general-purpose time-sharing system influenced computer security practices influenced development of email
https://www.w3.org/2000/01/rdf-schema#label	Compatible Time-Sharing System (CTSS)
gptkbp:influenced	gptkb:Multics gptkb:Unix
gptkbp:language	gptkb:FAP_assembler gptkb:FORTRAN gptkb:LISP gptkb:MAD
gptkbp:notableContributor	early time-sharing concepts precursor to modern operating systems
gptkbp:notableFeature	email-like messaging file system with per-user directories password login
gptkbp:notableProject	gptkb:Fernando_J._Corbató
gptkbp:notableUser	gptkb:Fernando_J._Corbató gptkb:Robert_Fano gptkb:Herbert_Teager gptkb:Jack_B._Dennis gptkb:Tom_Van_Vleck
gptkbp:operatingSystem	time-sharing
gptkbp:runsOn	gptkb:IBM_7090 gptkb:IBM_7094
gptkbp:status	discontinued
gptkbp:bfsParent	gptkb:Project_MAC
gptkbp:bfsLayer	4