1digraph unix { 2 graph [bb="0,0,2373.8,928.64", 3 fontname=Helvetica, 4 fontsize=36, 5 label="\n\n\n\nObject Oriented Graphs\nStephen North, 3/19/93", 6 lheight=3.50, 7 lp="1186.9,130", 8 lwidth=5.31, 9 rankdir=LR, 10 size="6,6" 11 ]; 12 node [color=white, 13 distortion=0.0, 14 fontname=Helvetica, 15 label="\N", 16 orientation=0.0, 17 shape=polygon, 18 sides=4, 19 skew=0.0, 20 style=filled 21 ]; 22 "5th Edition" [color=salmon2, 23 distortion=0.936354, 24 height=0.62845, 25 orientation=28, 26 pos="85.059,555.07", 27 sides=9, 28 skew=-0.126818, 29 width=2.3627]; 30 "6th Edition" [color=deepskyblue, 31 distortion=0.238792, 32 height=0.53832, 33 orientation=11, 34 pos="311.24,651.07", 35 sides=5, 36 skew=0.995935, 37 width=2.9201]; 38 "5th Edition" -> "6th Edition" [pos="e,270.65,634.12 134.7,575.9 172.22,591.97 223.87,614.08 261.43,630.17"]; 39 "PWB 1.0" [color=goldenrod2, 40 distortion=0.019636, 41 height=0.5066, 42 orientation=79, 43 pos="311.24,491.07", 44 sides=8, 45 skew=-0.440424, 46 width=1.4251]; 47 "5th Edition" -> "PWB 1.0" [pos="e,275.9,500.87 126.92,543.41 166.27,532.17 225.62,515.23 266.05,503.69"]; 48 LSX [color=burlywood2, 49 distortion=-0.698271, 50 height=0.53598, 51 orientation=22, 52 pos="542.25,740.07", 53 sides=9, 54 skew=-0.195492, 55 width=1.2269]; 56 "6th Edition" -> LSX [pos="e,508.08,730.02 350.52,668.56 378.48,681.06 417.44,697.93 452.36,711.07 467.18,716.65 483.6,722.18 498.26,726.9"]; 57 "1 BSD" [color=gold1, 58 distortion=0.265084, 59 height=0.54133, 60 orientation=26, 61 pos="542.25,683.07", 62 sides=7, 63 skew=0.403659, 64 width=1.2307]; 65 "6th Edition" -> "1 BSD" [pos="e,500.9,677.43 402.75,663.72 432.77,667.91 465.1,672.43 490.96,676.04"]; 66 "Mini Unix" [color=greenyellow, 67 distortion=0.039386, 68 height=0.5, 69 orientation=2, 70 pos="542.25,559.07", 71 skew=-0.461120, 72 width=1.8638]; 73 "6th Edition" -> "Mini Unix" [pos="e,482.05,575.79 338.11,637.74 365.89,623.75 411.53,601.66 452.36,586.07 458.74,583.64 465.44,581.27 472.18,579.01"]; 74 Wollongong [color=darkseagreen, 75 distortion=0.228564, 76 height=0.5333, 77 orientation=63, 78 pos="542.25,796.07", 79 sides=5, 80 skew=-0.062846, 81 width=1.9861]; 82 "6th Edition" -> Wollongong [pos="e,485.81,782.29 330.4,670.37 355.55,696.04 403.43,741.31 452.36,768.07 459.81,772.14 467.94,775.72 476.16,778.84"]; 83 Interdata [color=dodgerblue1, 84 distortion=0.624013, 85 height=0.704, 86 orientation=56, 87 pos="542.25,620.07", 88 skew=0.101396, 89 width=2.1968]; 90 "6th Edition" -> Interdata [pos="e,500.62,625.57 364.49,644 402.26,638.89 453.01,632.02 490.44,626.95"]; 91 "PWB 1.2" [color=cyan, 92 distortion=0.640971, 93 height=0.88033, 94 orientation=84, 95 pos="542.25,491.07", 96 sides=7, 97 skew=-0.768455, 98 width=1.4721]; 99 "PWB 1.0" -> "PWB 1.2" [pos="e,493.68,491.07 358.31,491.07 394.4,491.07 444.81,491.07 483.58,491.07"]; 100 "USG 1.0" [color=blue, 101 distortion=0.758942, 102 height=0.69721, 103 orientation=42, 104 pos="542.25,416.07", 105 skew=0.039886, 106 width=2.4968]; 107 "PWB 1.0" -> "USG 1.0" [pos="e,512.21,425.58 344.08,480.64 385.56,467.06 458.02,443.33 502.6,428.73"]; 108 "2 BSD" [color=blanchedalmond, 109 distortion=-0.010661, 110 height=0.51591, 111 orientation=84, 112 pos="1610.9,910.07", 113 sides=7, 114 skew=0.179249, 115 width=1.1221]; 116 "1 BSD" -> "2 BSD" [pos="e,1572,911.49 581.19,693.29 597.24,698.16 615.93,704.57 632.13,712.07 791.29,785.79 792.73,919.07 968.13,919.07 968.13,919.07 968.13,\ 117919.07 1209,919.07 1336.5,919.07 1486.7,914.47 1561.9,911.84"]; 118 "Unix/TS 3.0" [color=thistle2, 119 distortion=0.731383, 120 height=0.73633, 121 orientation=43, 122 pos="1208,439.07", 123 sides=8, 124 skew=-0.824612, 125 width=3.0107]; 126 Interdata -> "Unix/TS 3.0" [pos="e,1176.5,453.3 581.04,613.37 667.61,597.54 886.49,554.89 1063.7,498.07 1099.5,486.59 1138.9,470.07 1167.3,457.43"]; 127 "PWB 2.0" [color=darkolivegreen3, 128 distortion=0.592100, 129 height=0.56098, 130 orientation=34, 131 pos="753.37,491.07", 132 sides=6, 133 skew=-0.719269, 134 width=2.3677]; 135 Interdata -> "PWB 2.0" [pos="e,712.98,501.03 579.03,612.31 596.51,607.14 616.99,598.87 632.13,586.07 656.18,565.76 644.27,545.61 668.13,525.07 678.32,516.3 691.07,\ 136509.6 703.54,504.56"]; 137 "7th Edition" [color=chocolate, 138 distortion=0.298417, 139 height=0.64255, 140 orientation=65, 141 pos="753.37,691.07", 142 sides=10, 143 skew=0.310367, 144 width=1.5186]; 145 Interdata -> "7th Edition" [pos="e,710.01,676.69 577.31,631.64 610.71,642.97 662.06,660.41 700.52,673.47"]; 146 "TS 4.0" [color=crimson, 147 distortion=-0.641701, 148 height=0.75173, 149 orientation=50, 150 pos="1610.9,386.07", 151 sides=10, 152 skew=-0.952502, 153 width=1.8653]; 154 "Unix/TS 3.0" -> "TS 4.0" [pos="e,1572,391.31 1264.9,431.88 1325,424.14 1423.1,411.39 1507.7,400.07 1525.4,397.71 1544.7,395.07 1561.8,392.73"]; 155 "PWB 2.0" -> "Unix/TS 3.0" [pos="e,1169.5,451.39 821.74,492.15 884.67,492.18 981.04,489.74 1063.7,477.07 1096.2,472.08 1132,462.6 1159.7,454.36"]; 156 "8th Edition" [color=turquoise3, 157 distortion=-0.997093, 158 height=0.80427, 159 orientation=50, 160 pos="1827.1,577.07", 161 skew=-0.061117, 162 width=3.141]; 163 "7th Edition" -> "8th Edition" [pos="e,1761.4,577.07 770.52,672.74 791.79,650.05 831.58,612.41 874.6,596.07 1013,543.54 1059.1,577.07 1207,577.07 1207,577.07 1207,577.07 \ 1641431.1,577.07 1542.5,577.07 1671.6,577.07 1751,577.07"]; 165 "32V" [color=steelblue3, 166 distortion=0.878516, 167 height=0.60598, 168 orientation=19, 169 pos="969.13,691.07", 170 sides=7, 171 skew=0.592905, 172 width=1.3648]; 173 "7th Edition" -> "32V" [pos="e,920.17,691.07 803.68,691.07 835.41,691.07 876.8,691.07 910.11,691.07"]; 174 V7M [color=navy, 175 distortion=-0.960249, 176 height=0.74745, 177 orientation=32, 178 pos="1208,864.07", 179 sides=10, 180 skew=0.460424, 181 width=1.4322]; 182 "7th Edition" -> V7M [pos="e,1177,867.04 766.76,712.29 785.73,742.59 825.04,797.44 874.6,823.07 970.26,872.55 1101.5,871.9 1166.8,867.75"]; 183 "Ultrix-11" [color=darkseagreen4, 184 distortion=-0.633186, 185 height=0.53138, 186 orientation=10, 187 pos="2081.1,828.07", 188 sides=10, 189 skew=0.333125, 190 width=1.7418]; 191 "7th Edition" -> "Ultrix-11" [pos="e,2018.4,823.97 792.82,703.81 808.27,710.26 825.49,719.26 838.6,731.07 861.43,751.63 848.26,774.28 874.6,790.07 938.07,828.12 1133,\ 192809.07 1207,809.07 1207,809.07 1207,809.07 1611.9,809.07 1752.4,809.07 1916.5,817.73 2008.4,823.35"]; 193 Xenix [color=coral, 194 distortion=-0.337997, 195 height=0.63729, 196 orientation=52, 197 pos="969.13,628.07", 198 sides=8, 199 skew=-0.760726, 200 width=1.3197]; 201 "7th Edition" -> Xenix [pos="e,940.17,636.31 795.08,679.07 834.11,667.57 892.55,650.35 930.51,639.16"]; 202 "UniPlus+" [color=darkolivegreen3, 203 distortion=0.788483, 204 height=0.69194, 205 orientation=39, 206 pos="969.13,756.07", 207 sides=7, 208 skew=-0.526284, 209 width=2.5011]; 210 "7th Edition" -> "UniPlus+" [pos="e,910.77,738.63 793.82,703.07 823.82,712.19 865.78,724.95 901.02,735.67"]; 211 "9th Edition" [color=coral3, 212 distortion=0.138690, 213 height=0.66083, 214 orientation=55, 215 pos="2081.1,557.07", 216 sides=7, 217 skew=0.554049, 218 width=1.6031]; 219 "8th Edition" -> "9th Edition" [pos="e,2032,560.89 1880.9,572.88 1922.1,569.61 1979.3,565.07 2021.8,561.7"]; 220 "3 BSD" [color=lemonchiffon, 221 distortion=0.251820, 222 height=0.5, 223 orientation=18, 224 pos="1208,690.07", 225 sides=10, 226 skew=-0.530618, 227 width=1.4793]; 228 "32V" -> "3 BSD" [pos="e,1157,690.28 1005.9,690.92 1043.2,690.76 1102.3,690.51 1146.8,690.33"]; 229 V7M -> "Ultrix-11" [pos="e,2029.5,830.16 1248.4,862.44 1386.9,856.72 1852,837.5 2019.4,830.58"]; 230 "2.8 BSD" [color=lightskyblue1, 231 distortion=-0.239422, 232 height=0.55846, 233 orientation=44, 234 pos="1827.1,761.07", 235 skew=0.053841, 236 width=1.8709]; 237 "2 BSD" -> "2.8 BSD" [pos="e,1808.2,773.56 1632.8,895.51 1672.1,868.18 1756.8,809.24 1799.9,779.31"]; 238 "2.8 BSD" -> "Ultrix-11" [pos="e,2022.3,812.71 1861.6,769.97 1899.9,780.16 1963.7,797.12 2012.5,810.09"]; 239 "2.9 BSD" [color=aquamarine2, 240 distortion=-0.843381, 241 height=0.80291, 242 orientation=70, 243 pos="2081.1,762.07", 244 skew=-0.601395, 245 width=2.2347]; 246 "2.8 BSD" -> "2.9 BSD" [pos="e,2034.4,761.89 1890.7,761.32 1931.7,761.48 1984.9,761.69 2024.4,761.85"]; 247 "4 BSD" [color=darkorange1, 248 distortion=-0.772300, 249 height=0.58561, 250 orientation=24, 251 pos="1430.1,690.07", 252 sides=5, 253 skew=-0.028475, 254 width=1.6505]; 255 "3 BSD" -> "4 BSD" [pos="e,1385.8,690.07 1254.6,690.07 1289.8,690.07 1338.6,690.07 1375.7,690.07"]; 256 "4.1 BSD" [color=lightyellow1, 257 distortion=-0.226170, 258 height=0.6378, 259 orientation=38, 260 pos="1610.9,688.07", 261 skew=0.504053, 262 width=1.8372]; 263 "4 BSD" -> "4.1 BSD" [pos="e,1558.2,688.65 1483.3,689.49 1503.6,689.26 1527,689 1548.1,688.76"]; 264 "4.1 BSD" -> "8th Edition" [pos="e,1801.9,589.59 1633.2,677.02 1670.6,657.62 1748.5,617.3 1793,594.24"]; 265 "4.1 BSD" -> "2.8 BSD" [pos="e,1795.1,751.44 1646.7,701.06 1666.4,708.31 1691.5,717.39 1714,725.07 1737.6,733.11 1764.1,741.65 1785.4,748.39"]; 266 "4.2 BSD" [color=darkorchid4, 267 distortion=-0.807349, 268 height=0.81143, 269 orientation=50, 270 pos="1827.1,687.07", 271 sides=10, 272 skew=-0.908842, 273 width=2.3381]; 274 "4.1 BSD" -> "4.2 BSD" [pos="e,1770.6,687.33 1675.6,687.77 1702.4,687.65 1733.5,687.5 1760.5,687.38"]; 275 "4.3 BSD" [color=lemonchiffon2, 276 distortion=-0.030619, 277 height=0.77622, 278 orientation=76, 279 pos="2081.1,687.07", 280 sides=10, 281 skew=0.985021, 282 width=1.2719]; 283 "4.2 BSD" -> "4.3 BSD" [pos="e,2037.3,687.07 1884.3,687.07 1927,687.07 1985.2,687.07 2027.1,687.07"]; 284 "Ultrix-32" [color=goldenrod3, 285 distortion=-0.644209, 286 height=0.58223, 287 orientation=21, 288 pos="2081.1,620.07", 289 skew=0.307836, 290 width=2.3333]; 291 "4.2 BSD" -> "Ultrix-32" [pos="e,2044,629.68 1863.9,677.54 1908.7,665.65 1985.3,645.28 2034.3,632.26"]; 292 "PWB 1.2" -> "PWB 2.0" [pos="e,670.59,491.07 588.88,491.07 609.9,491.07 635.64,491.07 660.42,491.07"]; 293 "CB Unix 1" [color=firebrick, 294 distortion=-0.348692, 295 height=0.72208, 296 orientation=42, 297 pos="753.37,329.07", 298 sides=9, 299 skew=0.767058, 300 width=1.8356]; 301 "USG 1.0" -> "CB Unix 1" [pos="e,721.98,341.71 568.47,405.58 604.25,390.69 670.09,363.3 712.51,345.65"]; 302 "USG 2.0" [color=chartreuse4, 303 distortion=0.748625, 304 height=0.77619, 305 orientation=74, 306 pos="753.37,421.07", 307 skew=-0.647656, 308 width=2.0801]; 309 "USG 1.0" -> "USG 2.0" [pos="e,705.32,419.95 592.81,417.26 623.54,417.99 663.14,418.94 695.2,419.7"]; 310 "CB Unix 2" [color=greenyellow, 311 distortion=0.851818, 312 height=0.61186, 313 orientation=32, 314 pos="969.13,313.07", 315 sides=10, 316 skew=-0.020120, 317 width=2.1665]; 318 "CB Unix 1" -> "CB Unix 2" [pos="e,907.52,317.61 804.22,325.34 831.93,323.27 866.87,320.65 897.37,318.37"]; 319 "USG 3.0" [color=bisque2, 320 distortion=-0.848455, 321 height=0.80243, 322 orientation=44, 323 pos="969.13,439.07", 324 skew=0.267152, 325 width=2.6258]; 326 "USG 2.0" -> "USG 3.0" [pos="e,916.34,434.71 804.22,425.27 834.61,427.83 873.7,431.12 906.08,433.85"]; 327 "CB Unix 3" [color=bisque4, 328 distortion=0.992237, 329 height=0.674, 330 orientation=29, 331 pos="1208,333.07", 332 sides=10, 333 skew=0.256102, 334 width=2.4231]; 335 "CB Unix 2" -> "CB Unix 3" [pos="e,1124.2,326.08 1023.9,317.61 1050.5,319.86 1083.4,322.63 1114,325.21"]; 336 "Unix/TS++" [color=mistyrose2, 337 distortion=0.545461, 338 height=0.55238, 339 orientation=16, 340 pos="1430.1,338.07", 341 sides=6, 342 skew=0.313589, 343 width=2.1399]; 344 "CB Unix 3" -> "Unix/TS++" [pos="e,1358.3,336.46 1266.9,334.38 1291.7,334.95 1321.2,335.62 1348.1,336.23"]; 345 "PDP-11 Sys V" [color=cadetblue1, 346 distortion=-0.267769, 347 height=0.55754, 348 orientation=40, 349 pos="1430.1,280.07", 350 sides=9, 351 skew=0.271226, 352 width=2.1569]; 353 "CB Unix 3" -> "PDP-11 Sys V" [pos="e,1381.8,291.45 1247.9,323.72 1282.2,315.45 1332.7,303.29 1371.7,293.9"]; 354 "CB Unix 3" -> "TS 4.0" [pos="e,1560.7,384.77 1277.5,351.65 1301.1,357.42 1327.8,363.26 1352.4,367.07 1419.9,377.49 1498.2,382.24 1550.6,384.37"]; 355 "Unix/TS++" -> "TS 4.0" [pos="e,1554.6,371.24 1486.2,352.86 1504.7,357.84 1525.5,363.43 1544.8,368.59"]; 356 "USG 3.0" -> "Unix/TS 3.0" [pos="e,1124.8,439.07 1033.9,439.07 1058.7,439.07 1087.6,439.07 1114.6,439.07"]; 357 "Unix/TS 1.0" [color=orangered, 358 distortion=0.305594, 359 height=0.5422, 360 orientation=75, 361 pos="969.13,373.07", 362 skew=0.070516, 363 width=2.2213]; 364 "Unix/TS 1.0" -> "Unix/TS 3.0" [pos="e,1131.4,418.01 1008.5,383.75 1039,392.26 1082.9,404.49 1121.7,415.3"]; 365 "System V.0" [color=darkorange1, 366 distortion=0.021556, 367 height=0.5, 368 orientation=26, 369 pos="1827.1,386.07", 370 sides=9, 371 skew=-0.729938, 372 width=2.2315]; 373 "TS 4.0" -> "System V.0" [pos="e,1750.4,386.07 1658.6,386.07 1682.5,386.07 1712.4,386.07 1740.2,386.07"]; 374 "System V.2" [color=darkolivegreen4, 375 distortion=0.985153, 376 height=0.64346, 377 orientation=33, 378 pos="2081.1,386.07", 379 sides=6, 380 skew=-0.399752, 381 width=2.9138]; 382 "System V.0" -> "System V.2" [pos="e,1978.5,386.07 1905.1,386.07 1925.1,386.07 1947,386.07 1968.4,386.07"]; 383 "System V.3" [color=lightsteelblue1, 384 distortion=-0.687574, 385 height=0.64742, 386 orientation=58, 387 pos="2297.9,386.07", 388 sides=7, 389 skew=-0.180116, 390 width=2.108]; 391 "System V.2" -> "System V.3" [pos="e,2239.8,386.07 2155.4,386.07 2179.4,386.07 2206,386.07 2229.6,386.07"]; 392} 393