ITS (Incompatible Timesharing System)
E529383
ITS (Incompatible Timesharing System) was an influential early time-sharing operating system developed at MIT’s AI Lab, known for its hacker-friendly environment and role in the development of much of early AI and Lisp software.
Observed surface forms (1)
| Surface form | Occurrences |
|---|---|
| Incompatible Timesharing System | 2 |
Statements (60)
| Predicate | Object |
|---|---|
| instanceOf |
operating system
ⓘ
research operating system ⓘ time-sharing operating system ⓘ |
| abbreviation | ITS NERFINISHED ⓘ |
| basedOn |
DEC PDP-10 architecture
ⓘ
DEC PDP-6 architecture ⓘ |
| contemporaneousWith |
Multics
NERFINISHED
ⓘ
TENEX NERFINISHED ⓘ TOPS-10 NERFINISHED ⓘ |
| countryOfOrigin |
United States of America
ⓘ
surface form:
United States
|
| culturalRole |
central platform for early hacker community at MIT
ⓘ
incubator for free software ideas ⓘ |
| designedFor |
PDP-10
NERFINISHED
ⓘ
PDP-6 NERFINISHED ⓘ |
| developer |
MIT Artificial Intelligence Laboratory
NERFINISHED
ⓘ
Massachusetts Institute of Technology NERFINISHED ⓘ |
| endOfSupport | early 1990s ⓘ |
| feature |
extensive debugging facilities
ⓘ
job control and process inspection ⓘ networked file access between ITS machines ⓘ real-time multi-user time-sharing ⓘ terminal-based user interface ⓘ |
| fullName | Incompatible Timesharing System NERFINISHED ⓘ |
| historicalPeriod | mainframe era ⓘ |
| historicalSignificance | major influence on design of interactive computing environments ⓘ |
| hostedSystem |
Maclisp-based AI programs
ⓘ
early interactive fiction games ⓘ early versions of Emacs ⓘ |
| inception |
1967
ⓘ
late 1960s ⓘ |
| influenced |
Emacs text editor
NERFINISHED
ⓘ
GNU project culture ⓘ Lisp Machine operating systems ⓘ Zork (early versions) NERFINISHED ⓘ hacker ethic ⓘ |
| license | non-commercial research use ⓘ |
| notableFor |
hacker-friendly environment
ⓘ
influence on Emacs development ⓘ influence on Lisp software development ⓘ influence on early AI research ⓘ influence on early networked computing ⓘ influence on hacker culture ⓘ open, non-password security model ⓘ support for interactive debugging ⓘ support for multiple terminals and users ⓘ support for real-time interaction with running programs ⓘ |
| primaryLocation |
MIT AI Lab
NERFINISHED
ⓘ
MIT Building 26 NERFINISHED ⓘ |
| programmingLanguage |
Fortran
NERFINISHED
ⓘ
Lisp NERFINISHED ⓘ MACLISP NERFINISHED ⓘ MIDAS assembler NERFINISHED ⓘ assembly language ⓘ |
| securityModel |
minimal access control
ⓘ
no passwords by default ⓘ |
| usedFor |
Lisp program development
ⓘ
artificial intelligence research ⓘ computer graphics experiments ⓘ early computer games ⓘ interactive program development ⓘ |
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Incompatible Timesharing System
this entity surface form:
Incompatible Timesharing System