unix-mod.dot #1

digraph unix {
	"5thEdition" -> "6thEdition" ;
	"5thEdition" -> "PWB1.0" ;
	"6thEdition" -> "LSX" ;
	"6thEdition" -> "1BSD" ;
	"6thEdition" -> "MiniUnix" ;
	"6thEdition" -> "Wollongong" ;
	"6thEdition" -> "Interdata" ;
	"Interdata" -> "Unix/TS3.0" ;
	"Interdata" -> "PWB2.0" ;
	"Interdata" -> "7thEdition" ;
	"7thEdition" -> "8thEdition" ;
	"7thEdition" -> "32V" ;
	"7thEdition" -> "V7M" ;
	"7thEdition" -> "Ultrix-11" ;
	"7thEdition" -> "Xenix" ;
	"7thEdition" -> "UniPlus+" ;
	"V7M" -> "Ultrix-11" ;
	"8thEdition" -> "9thEdition" ;
	"1BSD" -> "2BSD" ;
	"2BSD" -> "2.8BSD" ;
	"2.8BSD" -> "Ultrix-11" ;
	"2.8BSD" -> "2.9BSD" ;
	"32V" -> "3BSD" ;
	"3BSD" -> "4BSD" ;
	"4BSD" -> "4.1BSD" ;
	"4.1BSD" -> "4.2BSD" ;
	"4.1BSD" -> "2.8BSD" ;
	"4.1BSD" -> "8thEdition" ;
	"4.2BSD" -> "4.3BSD" ;
	"4.2BSD" -> "Ultrix-32" ;
	"PWB1.0" -> "PWB1.2" ;
	"PWB1.0" -> "USG1.0" ;
	"PWB1.2" -> "PWB2.0" ;
	"USG1.0" -> "CB Unix1" ;
	"USG1.0" -> "USG2.0" ;
	"CB Unix1" -> "CB Unix2" ;
	"CB Unix2" -> "CB Unix3" ;
	"CB Unix3" -> "Unix/TS++" ;
	"CB Unix3" -> "PDP-11 SysV" ;
	"USG2.0" -> "USG3.0" ;
	"USG3.0" -> "Unix/TS3.0" ;
	"PWB2.0" -> "Unix/TS3.0" ;
	"Unix/TS1.0" -> "Unix/TS3.0" ;
	"Unix/TS3.0" -> "TS4.0" ;
	"Unix/TS++" -> "TS4.0" ;
	"CB Unix3" -> "TS4.0" ;
	"TS4.0" -> "SystemV.0" ;
	"SystemV.0" -> "SystemV.2" ;
	"SystemV.2" -> "SystemV.3" ;
}