digraph unix { graph [bb="0,0,965.59,828", splines=polyline ]; node [color=lightblue2, label="\N", style=filled ]; "5th Edition" [height=0.5, pos="511.25,810", width=1.3902]; "6th Edition" [height=0.5, pos="415.25,738", width=1.3902]; "5th Edition" -> "6th Edition" [pos="e,436.49,754.49 489.94,793.46 476.64,783.77 459.34,771.15 444.73,760.5"]; "PWB 1.0" [height=0.5, pos="667.25,738", width=1.2277]; "5th Edition" -> "PWB 1.0" [pos="e,638.58,751.86 541.33,795.5 566.43,784.24 602.35,768.12 629.41,755.98"]; LSX [height=0.5, pos="577.25,666", width=0.77632]; "6th Edition" -> LSX [pos="e,554.87,677.28 446.47,723.76 483.49,708.06 540.25,684 540.25,684 540.25,684 542.41,683.01 545.69,681.5"]; "1 BSD" [height=0.5, pos="120.25,666", width=0.97491]; "6th Edition" -> "1 BSD" [pos="e,151.53,674.42 374.54,727.34 318.44,714.03 217.93,690.18 161.53,676.8"]; "Mini Unix" [height=0.5, pos="355.25,666", width=1.2818]; "6th Edition" -> "Mini Unix" [pos="e,369.36,683.47 401.03,720.41 393.56,711.69 384.26,700.85 376,691.21"]; Wollongong [height=0.5, pos="475.25,666", width=1.5526]; "6th Edition" -> Wollongong [pos="e,461.13,683.47 429.47,720.41 436.94,711.69 446.24,700.85 454.5,691.21"]; Interdata [height=0.5, pos="249.25,666", width=1.1735]; "6th Edition" -> Interdata [pos="e,278.11,679.17 384.02,723.83 356.69,712.31 316.87,695.51 287.6,683.17"]; "PWB 1.2" [height=0.5, pos="667.25,666", width=1.2277]; "PWB 1.0" -> "PWB 1.2" [pos="e,667.25,684.1 667.25,719.7 667.25,711.98 667.25,702.71 667.25,694.11"]; "USG 1.0" [height=0.5, pos="772.25,666", width=1.1916]; "PWB 1.0" -> "USG 1.0" [pos="e,750.26,681.65 689.26,722.33 704.52,712.15 725.04,698.47 741.86,687.26"]; "2 BSD" [height=0.5, pos="77.247,306", width=0.97491]; "1 BSD" -> "2 BSD" [pos="e,78.695,324.13 116.51,647.87 108.26,610.1 89.247,523 89.247,523 89.247,523 89.247,523 89.247,449 89.247,449 83.045,375.6 79.558,\ 334.34"]; "Unix/TS 3.0" [height=0.5, pos="602.25,450", width=1.5346]; Interdata -> "Unix/TS 3.0" [pos="e,577.18,466.2 272.68,650.79 333.67,613.82 497.51,514.49 568.59,471.41"]; "PWB 2.0" [height=0.5, pos="548.25,594", width=1.2277]; Interdata -> "PWB 2.0" [pos="e,513.5,605.18 281.55,654.23 291.67,650.86 300.25,648 300.25,648 300.25,648 490.25,612 490.25,612 490.25,612 496,610.31 503.89,608"]; "7th Edition" [height=0.5, pos="249.25,594", width=1.3902]; Interdata -> "7th Edition" [pos="e,249.25,612.1 249.25,647.7 249.25,639.98 249.25,630.71 249.25,622.11"]; "TS 4.0" [height=0.5, pos="687.25,306", width=0.99297]; "Unix/TS 3.0" -> "TS 4.0" [pos="e,677.44,323.39 612.33,432.15 627.17,407.36 655,360.88 672.24,332.07"]; "PWB 2.0" -> "Unix/TS 3.0" [pos="e,586.08,467.48 548.63,575.84 549.21,549.98 550.25,504 550.25,504 550.25,504 565.16,488.8 579.02,474.68"]; "8th Edition" [height=0.5, pos="448.25,234", width=1.3902]; "7th Edition" -> "8th Edition" [pos="e,447.04,252.13 285.72,581.63 335.67,566.06 419.25,540 419.25,540 419.25,540 438.25,451 438.25,451 438.25,451 438.25,451 438.25,\ 377 438.25,377 443.42,303.6 446.32,262.34"]; "32V" [height=0.5, pos="383.25,522", width=0.75]; "7th Edition" -> "32V" [pos="e,362.74,533.71 276.36,578.83 298.81,567.11 330.66,550.47 353.74,538.41"]; V7M [height=0.5, pos="29.247,450", width=0.81243]; "7th Edition" -> V7M [pos="e,44.832,465.3 218.53,579.76 182.09,564.06 126.25,540 126.25,540 126.25,540 81.134,498.61 52.439,472.28"]; "Ultrix-11" [height=0.5, pos="108.25,162", width=1.1735]; "7th Edition" -> "Ultrix-11" [pos="e,112.11,180.13 224.18,578.24 197.55,562.55 159.25,540 159.25,540 159.25,540 140.25,451 140.25,451 140.25,451 140.25,451 140.25,\ 305 140.25,305 123.64,231.29 114.35,190.08"]; Xenix [height=0.5, pos="200.25,522", width=0.88464]; "7th Edition" -> Xenix [pos="e,211.44,538.99 237.64,576.41 231.57,567.74 224.03,556.97 217.31,547.38"]; "UniPlus+" [height=0.5, pos="294.25,522", width=1.2277]; "7th Edition" -> "UniPlus+" [pos="e,283.35,539.96 259.91,576.41 265.27,568.08 271.88,557.8 277.86,548.49"]; "9th Edition" [height=0.5, pos="526.25,162", width=1.3902]; "8th Edition" -> "9th Edition" [pos="e,508.35,179.06 465.95,217.12 476.25,207.87 489.4,196.07 500.8,185.84"]; "3 BSD" [height=0.5, pos="372.25,450", width=0.97491]; "32V" -> "3 BSD" [pos="e,374.96,468.28 380.58,504.05 379.37,496.35 377.91,487.03 376.55,478.36"]; V7M -> "Ultrix-11" [pos="e,98.288,179.6 29.675,431.77 30.707,390.24 33.247,288 33.247,288 33.247,288 71.184,224.77 93.095,188.25"]; "10th Edition" [height=0.5, pos="527.25,90", width=1.5165]; "9th Edition" -> "10th Edition" [pos="e,527,108.1 526.49,143.7 526.6,135.98 526.74,126.71 526.86,118.11"]; "2.8 BSD" [height=0.5, pos="210.25,234", width=1.1735]; "2 BSD" -> "2.8 BSD" [pos="e,184.4,248.6 101.03,292.49 121.74,281.58 152.04,265.64 175.47,253.3"]; "2.8 BSD" -> "Ultrix-11" [pos="e,129.5,177.58 188.62,218.15 173.91,208.06 154.27,194.58 138.08,183.47"]; "2.9 BSD" [height=0.5, pos="210.25,162", width=1.1735]; "2.8 BSD" -> "2.9 BSD" [pos="e,210.25,180.1 210.25,215.7 210.25,207.98 210.25,198.71 210.25,190.11"]; "4 BSD" [height=0.5, pos="360.25,378", width=0.97491]; "3 BSD" -> "4 BSD" [pos="e,363.21,396.28 369.34,432.05 368.02,424.35 366.42,415.03 364.94,406.36"]; "4.1 BSD" [height=0.5, pos="358.25,306", width=1.1735]; "4 BSD" -> "4.1 BSD" [pos="e,358.74,324.1 359.75,359.7 359.53,351.98 359.27,342.71 359.02,334.11"]; "4.1 BSD" -> "8th Edition" [pos="e,428.13,250.64 377.78,289.81 390.11,280.22 406.24,267.67 419.96,257"]; "4.1 BSD" -> "2.8 BSD" [pos="e,237.47,247.88 331.1,292.16 307.39,280.95 272.78,264.58 246.67,252.23"]; "4.2 BSD" [height=0.5, pos="338.25,234", width=1.1735]; "4.1 BSD" -> "4.2 BSD" [pos="e,343.18,252.28 353.41,288.05 351.18,280.26 348.48,270.82 345.98,262.08"]; "4.3 BSD" [height=0.5, pos="414.25,162", width=1.1735]; "4.2 BSD" -> "4.3 BSD" [pos="e,397.16,178.73 355.11,217.46 365.28,208.11 378.39,196.02 389.69,185.62"]; "Ultrix-32" [height=0.5, pos="312.25,162", width=1.1735]; "4.2 BSD" -> "Ultrix-32" [pos="e,318.66,180.28 331.95,216.05 329.03,208.18 325.48,198.62 322.2,189.79"]; "4.4 BSD" [height=0.5, pos="412.25,90", width=1.1735]; "4.3 BSD" -> "4.4 BSD" [pos="e,412.74,108.1 413.75,143.7 413.53,135.98 413.27,126.71 413.02,118.11"]; FreeBSD [height=0.5, pos="309.25,18", width=1.2277]; "4.4 BSD" -> FreeBSD [pos="e,331.06,33.824 390.4,74.155 375.66,64.132 355.98,50.763 339.7,39.698"]; NetBSD [height=0.5, pos="412.25,18", width=1.1374]; "4.4 BSD" -> NetBSD [pos="e,412.25,36.104 412.25,71.697 412.25,63.983 412.25,54.712 412.25,46.112"]; OpenBSD [height=0.5, pos="519.25,18", width=1.336]; "4.4 BSD" -> OpenBSD [pos="e,496.37,33.968 434.42,74.496 449.85,64.402 470.64,50.796 487.78,39.583"]; "PWB 1.2" -> "PWB 2.0" [pos="e,572.29,609.14 643.17,650.83 625.26,640.3 600.63,625.81 580.95,614.24"]; "CB Unix 1" [height=0.5, pos="803.25,594", width=1.3721]; "USG 1.0" -> "CB Unix 1" [pos="e,795.6,612.28 779.75,648.05 783.28,640.09 787.57,630.41 791.51,621.51"]; "USG 2.0" [height=0.5, pos="680.25,594", width=1.1916]; "USG 1.0" -> "USG 2.0" [pos="e,700.17,610.16 752.28,649.81 739.39,640 722.41,627.08 708.18,616.25"]; "CB Unix 2" [height=0.5, pos="841.25,522", width=1.3721]; "CB Unix 1" -> "CB Unix 2" [pos="e,832.13,539.79 812.45,576.05 816.88,567.89 822.3,557.91 827.23,548.82"]; "USG 3.0" [height=0.5, pos="602.25,522", width=1.1916]; "USG 2.0" -> "USG 3.0" [pos="e,619.51,538.49 662.94,577.46 652.43,568.04 638.86,555.85 627.21,545.4"]; "CB Unix 3" [height=0.5, pos="783.25,450", width=1.3721]; "CB Unix 2" -> "CB Unix 3" [pos="e,796.89,467.47 827.5,504.41 820.28,495.69 811.29,484.85 803.31,475.21"]; "Unix/TS++" [height=0.5, pos="767.25,378", width=1.4443]; "CB Unix 3" -> "Unix/TS++" [pos="e,771.2,396.28 779.37,432.05 777.59,424.26 775.44,414.82 773.44,406.08"]; "PDP-11 Sys V" [height=0.5, pos="901.25,378", width=1.7873]; "CB Unix 3" -> "PDP-11 Sys V" [pos="e,874.9,394.63 807.98,434.33 824.83,424.33 847.37,410.96 866.07,399.87"]; "CB Unix 3" -> "TS 4.0" [pos="e,690.91,324.16 760.98,433.67 738.23,418.02 706.25,396 706.25,396 706.25,396 698.6,360.17 693.01,333.97"]; "Unix/TS++" -> "TS 4.0" [pos="e,704.23,321.86 749.09,361.12 738.05,351.45 723.8,338.99 711.77,328.46"]; "USG 3.0" -> "Unix/TS 3.0" [pos="e,602.25,468.1 602.25,503.7 602.25,495.98 602.25,486.71 602.25,478.11"]; "Unix/TS 1.0" [height=0.5, pos="718.25,522", width=1.5346]; "Unix/TS 1.0" -> "Unix/TS 3.0" [pos="e,627.37,466.16 693.08,505.81 676.36,495.72 654.21,482.36 635.97,471.35"]; "System V.0" [height=0.5, pos="687.25,234", width=1.4804]; "TS 4.0" -> "System V.0" [pos="e,687.25,252.1 687.25,287.7 687.25,279.98 687.25,270.71 687.25,262.11"]; "System V.2" [height=0.5, pos="687.25,162", width=1.4804]; "System V.0" -> "System V.2" [pos="e,687.25,180.1 687.25,215.7 687.25,207.98 687.25,198.71 687.25,190.11"]; "System V.3" [height=0.5, pos="687.25,90", width=1.4804]; "System V.2" -> "System V.3" [pos="e,687.25,108.1 687.25,143.7 687.25,135.98 687.25,126.71 687.25,118.11"]; "System V.4" [height=0.5, pos="687.25,18", width=1.4804]; "System V.3" -> "System V.4" [pos="e,687.25,36.104 687.25,71.697 687.25,63.983 687.25,54.712 687.25,46.112"]; }