]> unix Object Oriented Graphs Stephen North, 3/19/93 5th Edition 5th Edition 6th Edition 6th Edition 5th Edition->6th Edition PWB 1.0 PWB 1.0 5th Edition->PWB 1.0 LSX LSX 6th Edition->LSX 1 BSD 1 BSD 6th Edition->1 BSD Mini Unix Mini Unix 6th Edition->Mini Unix Wollongong Wollongong 6th Edition->Wollongong Interdata Interdata 6th Edition->Interdata PWB 1.2 PWB 1.2 PWB 1.0->PWB 1.2 USG 1.0 USG 1.0 PWB 1.0->USG 1.0 2 BSD 2 BSD 1 BSD->2 BSD Unix/TS 3.0 Unix/TS 3.0 Interdata->Unix/TS 3.0 PWB 2.0 PWB 2.0 Interdata->PWB 2.0 7th Edition 7th Edition Interdata->7th Edition TS 4.0 TS 4.0 Unix/TS 3.0->TS 4.0 PWB 2.0->Unix/TS 3.0 8th Edition 8th Edition 7th Edition->8th Edition 32V 32V 7th Edition->32V V7M V7M 7th Edition->V7M Ultrix-11 Ultrix-11 7th Edition->Ultrix-11 Xenix Xenix 7th Edition->Xenix UniPlus+ UniPlus+ 7th Edition->UniPlus+ 9th Edition 9th Edition 8th Edition->9th Edition 3 BSD 3 BSD 32V->3 BSD V7M->Ultrix-11 2.8 BSD 2.8 BSD 2 BSD->2.8 BSD 2.8 BSD->Ultrix-11 2.9 BSD 2.9 BSD 2.8 BSD->2.9 BSD 4 BSD 4 BSD 3 BSD->4 BSD 4.1 BSD 4.1 BSD 4 BSD->4.1 BSD 4.1 BSD->8th Edition 4.1 BSD->2.8 BSD 4.2 BSD 4.2 BSD 4.1 BSD->4.2 BSD 4.3 BSD 4.3 BSD 4.2 BSD->4.3 BSD Ultrix-32 Ultrix-32 4.2 BSD->Ultrix-32 PWB 1.2->PWB 2.0 CB Unix 1 CB Unix 1 USG 1.0->CB Unix 1 USG 2.0 USG 2.0 USG 1.0->USG 2.0 CB Unix 2 CB Unix 2 CB Unix 1->CB Unix 2 USG 3.0 USG 3.0 USG 2.0->USG 3.0 CB Unix 3 CB Unix 3 CB Unix 2->CB Unix 3 Unix/TS++ Unix/TS++ CB Unix 3->Unix/TS++ PDP-11 Sys V PDP-11 Sys V CB Unix 3->PDP-11 Sys V CB Unix 3->TS 4.0 Unix/TS++->TS 4.0 USG 3.0->Unix/TS 3.0 Unix/TS 1.0 Unix/TS 1.0 Unix/TS 1.0->Unix/TS 3.0 System V.0 System V.0 TS 4.0->System V.0 System V.2 System V.2 System V.0->System V.2 System V.3 System V.3 System V.2->System V.3