digraph unix { graph [bb="0,0,959.29,828", splines=polyline ]; node [color=lightblue2, label="\N", style=filled ]; "5th Edition" [height=0.5, pos="513.9,810", width=1.3902]; "6th Edition" [height=0.5, pos="418.9,738", width=1.3902]; "5th Edition" -> "6th Edition" [pos="e,439.92,754.49 492.81,793.46 479.65,783.77 462.53,771.15 448.07,760.5"]; "PWB 1.0" [height=0.5, pos="668.9,738", width=1.2277]; "5th Edition" -> "PWB 1.0" [pos="e,640.41,751.86 543.78,795.5 568.62,784.29 604.11,768.26 630.95,756.14"]; LSX [height=0.5, pos="579.9,666", width=0.75827]; "6th Edition" -> LSX [pos="e,557.95,677.09 449.87,723.76 486.6,708.06 542.9,684 542.9,684 542.9,684 545.26,682.91 548.8,681.29"]; "1 BSD" [height=0.5, pos="121.9,666", width=0.95686]; "6th Edition" -> "1 BSD" [pos="e,152.61,674.24 378.22,727.41 321.54,714.05 219.38,689.98 162.65,676.61"]; "Mini Unix" [height=0.5, pos="357.9,666", width=1.336]; "6th Edition" -> "Mini Unix" [pos="e,372.25,683.47 404.44,720.41 396.84,711.69 387.39,700.85 378.99,691.21"]; Wollongong [height=0.5, pos="478.9,666", width=1.5346]; "6th Edition" -> Wollongong [pos="e,464.78,683.47 433.12,720.41 440.59,711.69 449.89,700.85 458.15,691.21"]; Interdata [height=0.5, pos="249.9,666", width=1.1735]; "6th Edition" -> Interdata [pos="e,279,679.06 387.11,723.83 359.07,712.22 318.14,695.26 288.28,682.9"]; "PWB 1.2" [height=0.5, pos="668.9,666", width=1.2277]; "PWB 1.0" -> "PWB 1.2" [pos="e,668.9,684.1 668.9,719.7 668.9,711.98 668.9,702.71 668.9,694.11"]; "USG 1.0" [height=0.5, pos="772.9,666", width=1.1735]; "PWB 1.0" -> "USG 1.0" [pos="e,751.12,681.65 690.7,722.33 705.81,712.15 726.14,698.47 742.8,687.26"]; "2 BSD" [height=0.5, pos="77.897,306", width=0.95686]; "1 BSD" -> "2 BSD" [pos="e,79.345,324.13 118.04,647.87 109.53,610.1 89.897,523 89.897,523 89.897,523 89.897,523 89.897,449 89.897,449 83.695,375.6 80.208,\ 334.34"]; "Unix/TS 3.0" [height=0.5, pos="601.9,450", width=1.5165]; Interdata -> "Unix/TS 3.0" [pos="e,576.9,466.2 273.27,650.79 334.08,613.82 497.46,514.49 568.33,471.41"]; "PWB 2.0" [height=0.5, pos="548.9,594", width=1.2277]; Interdata -> "PWB 2.0" [pos="e,514.15,605.18 282.2,654.23 292.32,650.86 300.9,648 300.9,648 300.9,648 490.9,612 490.9,612 490.9,612 496.65,610.31 504.54,608"]; "7th Edition" [height=0.5, pos="249.9,594", width=1.3902]; Interdata -> "7th Edition" [pos="e,249.9,612.1 249.9,647.7 249.9,639.98 249.9,630.71 249.9,622.11"]; "TS 4.0" [height=0.5, pos="684.9,306", width=0.95686]; "Unix/TS 3.0" -> "TS 4.0" [pos="e,675.32,323.39 611.74,432.15 626.24,407.36 653.41,360.88 670.24,332.07"]; "PWB 2.0" -> "Unix/TS 3.0" [pos="e,586.04,467.48 549.28,575.84 549.86,549.98 550.9,504 550.9,504 550.9,504 565.26,489.08 578.74,475.07"]; "8th Edition" [height=0.5, pos="448.9,234", width=1.3902]; "7th Edition" -> "8th Edition" [pos="e,447.69,252.13 286.37,581.63 336.32,566.06 419.9,540 419.9,540 419.9,540 438.9,451 438.9,451 438.9,451 438.9,451 438.9,377 438.9,\ 377 444.07,303.6 446.97,262.34"]; "32V" [height=0.5, pos="383.9,522", width=0.75]; "7th Edition" -> "32V" [pos="e,363.39,533.71 277.01,578.83 299.46,567.11 331.31,550.47 354.39,538.41"]; V7M [height=0.5, pos="29.897,450", width=0.83048]; "7th Edition" -> V7M [pos="e,45.75,465.7 218.93,579.76 182.2,564.06 125.9,540 125.9,540 125.9,540 81.715,499.04 53.297,472.69"]; "Ultrix-11" [height=0.5, pos="106.9,162", width=1.2096]; "7th Edition" -> "Ultrix-11" [pos="e,110.88,180.13 224.55,578.24 197.62,562.55 158.9,540 158.9,540 158.9,540 139.9,451 139.9,451 139.9,451 139.9,451 139.9,305 139.9,\ 305 122.77,231.29 113.19,190.08"]; Xenix [height=0.5, pos="199.9,522", width=0.9027]; "7th Edition" -> Xenix [pos="e,211.32,538.99 238.05,576.41 231.86,567.74 224.16,556.97 217.31,547.38"]; "UniPlus+" [height=0.5, pos="294.9,522", width=1.2277]; "7th Edition" -> "UniPlus+" [pos="e,284,539.96 260.56,576.41 265.92,568.08 272.53,557.8 278.51,548.49"]; "9th Edition" [height=0.5, pos="526.9,162", width=1.3902]; "8th Edition" -> "9th Edition" [pos="e,509,179.06 466.6,217.12 476.9,207.87 490.05,196.07 501.45,185.84"]; "3 BSD" [height=0.5, pos="372.9,450", width=0.95686]; "32V" -> "3 BSD" [pos="e,375.61,468.28 381.23,504.05 380.02,496.35 378.56,487.03 377.2,478.36"]; V7M -> "Ultrix-11" [pos="e,97.336,179.6 30.432,431.77 31.722,390.24 34.897,288 34.897,288 34.897,288 71.009,225.31 92.083,188.72"]; "10th Edition" [height=0.5, pos="527.9,90", width=1.5165]; "9th Edition" -> "10th Edition" [pos="e,527.65,108.1 527.14,143.7 527.25,135.98 527.39,126.71 527.51,118.11"]; "2.8 BSD" [height=0.5, pos="209.9,234", width=1.1555]; "2 BSD" -> "2.8 BSD" [pos="e,184.59,248.42 101.19,292.65 121.84,281.7 152.26,265.57 175.67,253.15"]; "2.8 BSD" -> "Ultrix-11" [pos="e,128.57,177.73 188.56,218.5 173.6,208.33 153.41,194.61 136.85,183.36"]; "2.9 BSD" [height=0.5, pos="209.9,162", width=1.1555]; "2.8 BSD" -> "2.9 BSD" [pos="e,209.9,180.1 209.9,215.7 209.9,207.98 209.9,198.71 209.9,190.11"]; "4 BSD" [height=0.5, pos="360.9,378", width=0.95686]; "3 BSD" -> "4 BSD" [pos="e,363.86,396.28 369.99,432.05 368.67,424.35 367.07,415.03 365.59,406.36"]; "4.1 BSD" [height=0.5, pos="358.9,306", width=1.1555]; "4 BSD" -> "4.1 BSD" [pos="e,359.39,324.1 360.4,359.7 360.18,351.98 359.92,342.71 359.67,334.11"]; "4.1 BSD" -> "8th Edition" [pos="e,428.78,250.64 378.43,289.81 390.76,280.22 406.89,267.67 420.61,257"]; "4.1 BSD" -> "2.8 BSD" [pos="e,237.05,247.76 331.57,292.16 307.62,280.91 272.64,264.48 246.32,252.11"]; "4.2 BSD" [height=0.5, pos="338.9,234", width=1.1555]; "4.1 BSD" -> "4.2 BSD" [pos="e,343.83,252.28 354.06,288.05 351.83,280.26 349.13,270.82 346.63,262.08"]; "4.3 BSD" [height=0.5, pos="415.9,162", width=1.1555]; "4.2 BSD" -> "4.3 BSD" [pos="e,398.86,178.49 355.99,217.46 366.35,208.04 379.76,195.85 391.26,185.4"]; "Ultrix-32" [height=0.5, pos="312.9,162", width=1.2096]; "4.2 BSD" -> "Ultrix-32" [pos="e,319.31,180.28 332.6,216.05 329.68,208.18 326.13,198.62 322.85,189.79"]; "4.4 BSD" [height=0.5, pos="413.9,90", width=1.1555]; "4.3 BSD" -> "4.4 BSD" [pos="e,414.39,108.1 415.4,143.7 415.18,135.98 414.92,126.71 414.67,118.11"]; FreeBSD [height=0.5, pos="311.9,18", width=1.2096]; "4.4 BSD" -> FreeBSD [pos="e,333.36,33.726 392.76,74.496 378.09,64.427 358.33,50.864 342.01,39.666"]; NetBSD [height=0.5, pos="413.9,18", width=1.1193]; "4.4 BSD" -> NetBSD [pos="e,413.9,36.104 413.9,71.697 413.9,63.983 413.9,54.712 413.9,46.112"]; OpenBSD [height=0.5, pos="518.9,18", width=1.2999]; "4.4 BSD" -> OpenBSD [pos="e,496.44,33.968 435.65,74.496 450.79,64.402 471.2,50.796 488.02,39.583"]; "PWB 1.2" -> "PWB 2.0" [pos="e,573.15,609.14 644.61,650.83 626.56,640.3 601.72,625.81 581.87,614.24"]; "CB Unix 1" [height=0.5, pos="803.9,594", width=1.3721]; "USG 1.0" -> "CB Unix 1" [pos="e,796.25,612.28 780.4,648.05 783.93,640.09 788.22,630.41 792.16,621.51"]; "USG 2.0" [height=0.5, pos="679.9,594", width=1.1735]; "USG 1.0" -> "USG 2.0" [pos="e,699.72,609.92 752.72,649.81 739.59,639.93 722.28,626.9 707.84,616.03"]; "CB Unix 2" [height=0.5, pos="838.9,522", width=1.3721]; "CB Unix 1" -> "CB Unix 2" [pos="e,830.5,539.79 812.37,576.05 816.45,567.89 821.44,557.91 825.99,548.82"]; "USG 3.0" [height=0.5, pos="601.9,522", width=1.1735]; "USG 2.0" -> "USG 3.0" [pos="e,619.16,538.49 662.59,577.46 652.08,568.04 638.51,555.85 626.86,545.4"]; "CB Unix 3" [height=0.5, pos="780.9,450", width=1.3721]; "CB Unix 2" -> "CB Unix 3" [pos="e,794.54,467.47 825.15,504.41 817.93,495.69 808.94,484.85 800.96,475.21"]; "Unix/TS++" [height=0.5, pos="764.9,378", width=1.4443]; "CB Unix 3" -> "Unix/TS++" [pos="e,768.85,396.28 777.02,432.05 775.24,424.26 773.09,414.82 771.09,406.08"]; "PDP-11 Sys V" [height=0.5, pos="896.9,378", width=1.7332]; "CB Unix 3" -> "PDP-11 Sys V" [pos="e,871,394.63 805.21,434.33 821.77,424.33 843.93,410.96 862.32,399.87"]; "CB Unix 3" -> "TS 4.0" [pos="e,688.56,324.16 758.63,433.67 735.88,418.02 703.9,396 703.9,396 703.9,396 696.25,360.17 690.66,333.97"]; "Unix/TS++" -> "TS 4.0" [pos="e,701.88,321.86 746.74,361.12 735.7,351.45 721.45,338.99 709.42,328.46"]; "USG 3.0" -> "Unix/TS 3.0" [pos="e,601.9,468.1 601.9,503.7 601.9,495.98 601.9,486.71 601.9,478.11"]; "Unix/TS 1.0" [height=0.5, pos="716.9,522", width=1.5165]; "Unix/TS 1.0" -> "Unix/TS 3.0" [pos="e,626.8,466.16 691.94,505.81 675.52,495.81 653.81,482.6 635.82,471.65"]; "System V.0" [height=0.5, pos="684.9,234", width=1.4624]; "TS 4.0" -> "System V.0" [pos="e,684.9,252.1 684.9,287.7 684.9,279.98 684.9,270.71 684.9,262.11"]; "System V.2" [height=0.5, pos="684.9,162", width=1.4624]; "System V.0" -> "System V.2" [pos="e,684.9,180.1 684.9,215.7 684.9,207.98 684.9,198.71 684.9,190.11"]; "System V.3" [height=0.5, pos="684.9,90", width=1.4624]; "System V.2" -> "System V.3" [pos="e,684.9,108.1 684.9,143.7 684.9,135.98 684.9,126.71 684.9,118.11"]; "System V.4" [height=0.5, pos="684.9,18", width=1.4624]; "System V.3" -> "System V.4" [pos="e,684.9,36.104 684.9,71.697 684.9,63.983 684.9,54.712 684.9,46.112"]; }