Statements (19)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:operating_system
|
| gptkbp:alsoKnownAs |
V4 Unix
|
| gptkbp:developedBy |
gptkb:Bell_Labs
|
| gptkbp:family |
gptkb:Unix
|
| https://www.w3.org/2000/01/rdf-schema#label |
Version 4 Unix
|
| gptkbp:influenced |
subsequent Unix versions
|
| gptkbp:kernelType |
monolithic
|
| gptkbp:license |
proprietary
|
| gptkbp:notableFeature |
improved file system
introduction of pipes |
| gptkbp:platform |
gptkb:PDP-11
|
| gptkbp:predecessor |
gptkb:Version_3_Unix
|
| gptkbp:releaseDate |
November 1973
|
| gptkbp:sourceModel |
closed source
|
| gptkbp:successor |
gptkb:Version_5_Unix
|
| gptkbp:usedBy |
gptkb:Bell_Labs
|
| gptkbp:writtenBy |
gptkb:assembly_language
|
| gptkbp:bfsParent |
gptkb:Version_5_Unix
|
| gptkbp:bfsLayer |
7
|