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1.1 ! root 1: .so ../ADM/mac ! 2: .XX \& 1 "Preface" ! 3: .af PN i ! 4: .TL ! 5: .ps+2 ! 6: PREFACE ! 7: .SP .6i ! 8: .PP ! 9: This selection of supporting papers to accompany the ! 10: Programmer's Manual ! 11: reflects both continuity and ! 12: change in the ! 13: UNIX research system since the last such collection appeared ! 14: in the seventh edition a decade ago. ! 15: Three-fourths of the papers are completely new, and ! 16: many of the rest have been substantially ! 17: rewritten. ! 18: Most of the papers represent the work ! 19: of members of the center where the system ! 20: was born, Computing Science Research at AT&T Bell Laboratories. ! 21: Previous work of this center has become so widely known that ! 22: many of the more basic papers from the seventh edition ! 23: could safely be dropped to make way for more recent material. ! 24: .PP ! 25: Some papers continue important themes that date from ! 26: the early days of the system: software tools, program ! 27: development, text processing, document preparation. ! 28: Some address the down-to-earth subject of the ! 29: care, feeding, and protection of a multifaceted system ! 30: in an imperfect world. ! 31: Others address the increasingly pervasive ! 32: theme of communications and distributed ! 33: computing: `stream' connections among ! 34: processes and files on one or more computers, ! 35: cross-machine file systems, ! 36: multiplexed (windowed) terminals, ! 37: worldwide electronic mail. ! 38: A few papers suggest the breadth ! 39: of research applications that meet and reinforce each other ! 40: in this system: music, graphics, protocol verification, ! 41: image processing. ! 42: .PP ! 43: Here one can find more up-to-date information ! 44: about the popular ! 45: .I troff ! 46: family of typesetting software than ! 47: in any other published work. ! 48: One may also see, in the diverse styles of the several ! 49: authors, various ways to exploit ! 50: .I troff ! 51: and some of its newer rivals. ! 52: In the useful index by Lorinda Cherry and the playful ! 53: .I pico -portraits ! 54: by Gerard Holzmann, one may enjoy some unusual outputs from ! 55: .SM UNIX ! 56: tools. ! 57: .PP ! 58: Besides the authors of the individual papers, many other ! 59: people have helped to bring the tenth edition system into ! 60: being. ! 61: They are acknowledged in the preface to Volume 1. ! 62: The manual is dedicated to the memory of the late Lee McMahon, whose ! 63: influence pervades the system's approaches ! 64: to text processing and data networking. ! 65: .SP 2 ! 66: .LP ! 67: .in 4.5i ! 68: A. G. Hume ! 69: .br ! 70: M. D. McIlroy ! 71: .br ! 72: January, 1990 ! 73: .in 0 ! 74: .ll 4i ! 75: .sp -1 ! 76: .PS 2.25i ! 77: .ps 18 ! 78: box ht 2 wid 2 ! 79: .ps ! 80: "\dLee McMahon\u" below at last box.s ! 81: .PE
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