1/* Courtesy of Ian Darwin <ian@darwinsys.com> 2 * and Geoff Collyer <geoff@plan9.bell-labs.com> 3 * Mildly updated by Ian Darwin in 2000. 4 */ 5digraph unix { 6 node [color=lightblue2, style=filled]; 7 "5th Edition" -> "6th Edition"; 8 "5th Edition" -> "PWB 1.0"; 9 "6th Edition" -> "LSX"; 10 "6th Edition" -> "1 BSD"; 11 "6th Edition" -> "Mini Unix"; 12 "6th Edition" -> "Wollongong"; 13 "6th Edition" -> "Interdata"; 14 "Interdata" -> "Unix/TS 3.0"; 15 "Interdata" -> "PWB 2.0"; 16 "Interdata" -> "7th Edition"; 17 "7th Edition" -> "8th Edition"; 18 "7th Edition" -> "32V"; 19 "7th Edition" -> "V7M"; 20 "7th Edition" -> "Ultrix-11"; 21 "7th Edition" -> "Xenix"; 22 "7th Edition" -> "UniPlus+"; 23 "V7M" -> "Ultrix-11"; 24 "8th Edition" -> "9th Edition"; 25 "9th Edition" -> "10th Edition"; 26 "1 BSD" -> "2 BSD"; 27 "2 BSD" -> "2.8 BSD"; 28 "2.8 BSD" -> "Ultrix-11"; 29 "2.8 BSD" -> "2.9 BSD"; 30 "32V" -> "3 BSD"; 31 "3 BSD" -> "4 BSD"; 32 "4 BSD" -> "4.1 BSD"; 33 "4.1 BSD" -> "4.2 BSD"; 34 "4.1 BSD" -> "2.8 BSD"; 35 "4.1 BSD" -> "8th Edition"; 36 "4.2 BSD" -> "4.3 BSD"; 37 "4.2 BSD" -> "Ultrix-32"; 38 "4.3 BSD" -> "4.4 BSD"; 39 "4.4 BSD" -> "FreeBSD"; 40 "4.4 BSD" -> "NetBSD"; 41 "4.4 BSD" -> "OpenBSD"; 42 "PWB 1.0" -> "PWB 1.2"; 43 "PWB 1.0" -> "USG 1.0"; 44 "PWB 1.2" -> "PWB 2.0"; 45 "USG 1.0" -> "CB Unix 1"; 46 "USG 1.0" -> "USG 2.0"; 47 "CB Unix 1" -> "CB Unix 2"; 48 "CB Unix 2" -> "CB Unix 3"; 49 "CB Unix 3" -> "Unix/TS++"; 50 "CB Unix 3" -> "PDP-11 Sys V"; 51 "USG 2.0" -> "USG 3.0"; 52 "USG 3.0" -> "Unix/TS 3.0"; 53 "PWB 2.0" -> "Unix/TS 3.0"; 54 "Unix/TS 1.0" -> "Unix/TS 3.0"; 55 "Unix/TS 3.0" -> "TS 4.0"; 56 "Unix/TS++" -> "TS 4.0"; 57 "CB Unix 3" -> "TS 4.0"; 58 "TS 4.0" -> "System V.0"; 59 "System V.0" -> "System V.2"; 60 "System V.2" -> "System V.3"; 61 "System V.3" -> "System V.4"; 62} 63