Knowledge

Xerox Operating System

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776: 263: 210: 89: 30: 1051: 1056: 539: 510: 159: 314: 258: 760: 737: 233: 203: 426: 324: 1016: 704: 253: 238: 847: 821: 299: 284: 243: 465: 412: 480: 319: 196: 74: 515: 334: 294: 289: 248: 1026: 558: 445: 309: 837: 304: 149: 60: 692: 631: 520: 500: 449: 407: 70: 730: 995: 475: 441: 343: 279: 131: 672: 646: 842: 641: 593: 470: 787: 578: 485: 183: 687: 636: 568: 525: 366: 155: 907: 667: 219: 63: 48: 961: 765: 611: 573: 544: 1061: 990: 884: 723: 697: 621: 583: 455: 1045: 902: 563: 402: 356: 940: 490: 784: 616: 598: 381: 371: 361: 93: 78: 1000: 935: 930: 879: 874: 816: 178: 111:. By 1972 there were 35 XOS installations in Europe, compared to 2 in the US. 25: 925: 553: 460: 386: 351: 966: 945: 682: 775: 677: 606: 376: 100: 85: 188: 746: 626: 719: 192: 662: 108: 84:
The system was developed, beginning in 1969, for Xerox by the
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XOS: the Xerox operating system, general information digest
104: 715: 1009: 979: 954: 916: 893: 867: 860: 830: 805: 783: 753: 655: 592: 538: 499: 434: 425: 395: 342: 333: 272: 226: 44: 36: 24: 66:of computers "optimized for direct replacement of 151:The Computers Nobody Wanted: My Years with Xerox 731: 204: 8: 19: 126: 124: 983: 864: 809: 738: 724: 716: 431: 339: 211: 197: 189: 18: 120: 798:John Visentin (vice chairman​ and CEO) 7: 14: 107:, but was unable to compete with 774: 315:Object-oriented operating system 59:was an operating system for the 57:The Xerox Operating System (XOS) 154:. Information Economics Press. 1052:Discontinued operating systems 325:Supercomputer operating system 179:XOS Documentation at Bitsavers 73:installations" and to provide 1: 1057:Proprietary operating systems 831:Defunct, divested or acquired 300:Just enough operating system 285:Distributed operating system 148:Strassmann, Paul A. (2008). 20:Xerox Operating System (XOS) 413:User space and kernel space 99:XOS was more successful in 1078: 320:Real-time operating system 986: 812: 772: 516:Multilevel feedback queue 511:Fixed-priority preemptive 295:Hobbyist operating system 290:Embedded operating system 559:General protection fault 310:Network operating system 264:User features comparison 838:Scientific Data Systems 305:Mobile operating system 795:Keith Cozza (chairman) 408:Loadable kernel module 996:Xerox Network Systems 476:Process control block 442:Computer multitasking 280:Disk operating system 647:Virtual tape library 239:Forensic engineering 843:Diablo Data Systems 656:Supporting concepts 642:Virtual file system 21: 579:Segmentation fault 427:Process management 137:. August 10, 1972. 1039: 1038: 1035: 1034: 1010:Operating systems 980:Software products 975: 974: 861:Hardware products 856: 855: 713: 712: 569:Memory protection 540:Memory management 534: 533: 526:Shortest job next 421: 420: 220:Operating systems 54: 53: 1069: 984: 908:Xerox 500 series 865: 810: 778: 761:Joseph C. Wilson 740: 733: 726: 717: 668:Computer network 432: 340: 213: 206: 199: 190: 166: 165: 145: 139: 138: 136: 132:"XOS Fact Sheet" 128: 49:SDS Sigma series 22: 16:Operating system 1077: 1076: 1072: 1071: 1070: 1068: 1067: 1066: 1042: 1041: 1040: 1031: 1005: 971: 950: 918: 912: 895: 889: 852: 826: 801: 779: 770: 766:Chester Carlson 749: 744: 714: 709: 651: 612:Defragmentation 597: 588: 574:Protection ring 543: 530: 502: 495: 417: 391: 329: 268: 222: 217: 175: 170: 169: 162: 147: 146: 142: 134: 130: 129: 122: 117: 17: 12: 11: 5: 1075: 1073: 1065: 1064: 1059: 1054: 1044: 1043: 1037: 1036: 1033: 1032: 1030: 1029: 1024: 1019: 1013: 1011: 1007: 1006: 1004: 1003: 998: 993: 991:Bravo (editor) 987: 981: 977: 976: 973: 972: 970: 969: 964: 958: 956: 952: 951: 949: 948: 943: 938: 933: 928: 922: 920: 914: 913: 911: 910: 905: 899: 897: 891: 890: 888: 887: 882: 877: 871: 869: 862: 858: 857: 854: 853: 851: 850: 845: 840: 834: 832: 828: 827: 825: 824: 819: 813: 807: 803: 802: 800: 799: 796: 792: 790: 781: 780: 773: 771: 769: 768: 763: 757: 755: 751: 750: 745: 743: 742: 735: 728: 720: 711: 710: 708: 707: 702: 701: 700: 698:User interface 695: 685: 680: 675: 670: 665: 659: 657: 653: 652: 650: 649: 644: 639: 634: 629: 624: 622:File attribute 619: 614: 609: 603: 601: 590: 589: 587: 586: 584:Virtual memory 581: 576: 571: 566: 561: 556: 550: 548: 536: 535: 532: 531: 529: 528: 523: 518: 513: 507: 505: 497: 496: 494: 493: 488: 483: 478: 473: 468: 463: 458: 456:Context switch 453: 438: 436: 429: 423: 422: 419: 418: 416: 415: 410: 405: 399: 397: 393: 392: 390: 389: 384: 379: 374: 369: 364: 359: 354: 348: 346: 337: 331: 330: 328: 327: 322: 317: 312: 307: 302: 297: 292: 287: 282: 276: 274: 270: 269: 267: 266: 261: 256: 251: 246: 241: 236: 230: 228: 224: 223: 218: 216: 215: 208: 201: 193: 187: 186: 181: 174: 173:External links 171: 168: 167: 160: 140: 119: 118: 116: 113: 52: 51: 46: 42: 41: 38: 34: 33: 28: 15: 13: 10: 9: 6: 4: 3: 2: 1074: 1063: 1060: 1058: 1055: 1053: 1050: 1049: 1047: 1028: 1025: 1023: 1020: 1018: 1015: 1014: 1012: 1008: 1002: 999: 997: 994: 992: 989: 988: 985: 982: 978: 968: 965: 963: 960: 959: 957: 953: 947: 944: 942: 939: 937: 934: 932: 929: 927: 924: 923: 921: 915: 909: 906: 904: 903:Xerox Sigma 9 901: 900: 898: 894:Minicomputers 892: 886: 883: 881: 878: 876: 873: 872: 870: 866: 863: 859: 849: 846: 844: 841: 839: 836: 835: 833: 829: 823: 820: 818: 815: 814: 811: 808: 804: 797: 794: 793: 791: 789: 786: 782: 777: 767: 764: 762: 759: 758: 756: 752: 748: 741: 736: 734: 729: 727: 722: 721: 718: 706: 703: 699: 696: 694: 691: 690: 689: 686: 684: 681: 679: 676: 674: 671: 669: 666: 664: 661: 660: 658: 654: 648: 645: 643: 640: 638: 635: 633: 630: 628: 625: 623: 620: 618: 615: 613: 610: 608: 605: 604: 602: 600: 595: 591: 585: 582: 580: 577: 575: 572: 570: 567: 565: 564:Memory paging 562: 560: 557: 555: 552: 551: 549: 546: 541: 537: 527: 524: 522: 519: 517: 514: 512: 509: 508: 506: 504: 498: 492: 489: 487: 484: 482: 479: 477: 474: 472: 469: 467: 464: 462: 459: 457: 454: 451: 447: 443: 440: 439: 437: 433: 430: 428: 424: 414: 411: 409: 406: 404: 403:Device driver 401: 400: 398: 394: 388: 385: 383: 380: 378: 375: 373: 370: 368: 365: 363: 360: 358: 355: 353: 350: 349: 347: 345: 344:Architectures 341: 338: 336: 332: 326: 323: 321: 318: 316: 313: 311: 308: 306: 303: 301: 298: 296: 293: 291: 288: 286: 283: 281: 278: 277: 275: 271: 265: 262: 260: 257: 255: 252: 250: 247: 245: 242: 240: 237: 235: 232: 231: 229: 225: 221: 214: 209: 207: 202: 200: 195: 194: 191: 185: 182: 180: 177: 176: 172: 163: 161:9781427632708 157: 153: 152: 144: 141: 133: 127: 125: 121: 114: 112: 110: 106: 102: 97: 95: 91: 87: 82: 80: 76: 72: 69: 65: 62: 58: 50: 47: 43: 39: 37:Working state 35: 32: 29: 27: 23: 1021: 919:and printers 868:Workstations 599:file systems 491:Time-sharing 150: 143: 103:than in the 98: 83: 64:Sigma series 56: 55: 896:and servers 617:Device file 607:Boot loader 521:Round-robin 446:Cooperative 382:Rump kernel 372:Multikernel 362:Microkernel 259:Usage share 79:timesharing 1046:Categories 1001:Interpress 955:Prototypes 936:Xerox 9700 931:Xerox 2700 848:Fuji Xerox 817:Xerox PARC 547:protection 503:algorithms 501:Scheduling 450:Preemptive 396:Components 367:Monolithic 234:Comparison 115:References 962:NoteTaker 926:Xerox 914 806:Divisions 788:Directors 785:Corporate 637:Partition 554:Bus error 481:Real-time 461:Interrupt 387:Unikernel 352:Exokernel 81:support. 75:real-time 45:Platforms 26:Developer 1022:Xerox OS 1017:UTS/CP-V 967:Dynabook 946:DocuTech 917:Scanners 885:Daybreak 754:Founders 683:Live USB 545:resource 435:Concepts 273:Variants 254:Timeline 40:Historic 678:Live CD 632:Journal 596:access, 594:Storage 471:Process 377:vkernel 244:History 227:General 71:DOS/360 941:Phaser 486:Thread 357:Hybrid 335:Kernel 158:  101:Europe 86:French 1062:Xerox 1027:Pilot 747:Xerox 688:Shell 627:Inode 135:(PDF) 92:(now 88:firm 880:Star 875:Alto 249:List 156:ISBN 94:Bull 77:and 822:ACS 705:PXE 693:CLI 673:HAL 663:API 466:IPC 109:IBM 96:). 90:CII 68:IBM 61:XDS 31:CII 1048:: 448:, 123:^ 105:US 739:e 732:t 725:v 542:, 452:) 444:( 212:e 205:t 198:v 164:.

Index

Developer
CII
SDS Sigma series
XDS
Sigma series
IBM
DOS/360
real-time
timesharing
French
CII
Bull
Europe
US
IBM


"XOS Fact Sheet"
The Computers Nobody Wanted: My Years with Xerox
ISBN
9781427632708
XOS Documentation at Bitsavers
XOS: the Xerox operating system, general information digest
v
t
e
Operating systems
Comparison
Forensic engineering
History

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