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        MULTICS ¨ä¹ê¬O"MULTiplexed Information and Computing System"ªºÁY¼g¡A¦b1970¦~®É¡A¨º³¡PDP-7«o¥u¯à¤ä´©¨â­Ó¨Ï¥ÎªÌ¡A·í®É¡ABrian Kernighan ´N¶}ª±¯º¦aÀ¸ºÙ¥L­Ìªº¨t²Î¨ä¹ê¬O¡G"UNiplexed Information and Computing System"¡AÁY¼g¬°"UNICS"¡A«á¨Ó¡A¤j®a¨ú¨ä¿Ó­µ¡A´NºÙ¨ä¬°"Unix"¤F¡C1970¦~¥iºÙ¬°¬OUnix¤¸¦~¡C

         1971¦~¡A¥L­Ì¥Ó½Ð¤F¤@³¡PDP-11/20¡A¥Ó½Ðªº¦W¸q¬O¡G­nµo®i¤å®Ñ³B²z¨t²Î¡C¸Ó´£®×³QÀò±Ä¯Ç¡A¥L­Ì¤]µo®i¥X¤F¤@®M¤å®Ñ³B²z¨t²Î ¢w ´N¬O²{¦bUnix§@·~¨t²Î¸Ì­±¤å®Ñ³B²z¨t²Î(nroff/troff)ªº«e¨­¡C¦³½ìªº¬O¡A¨S¦³¦h¤[¡A¨©º¸¹êÅç«Çªº±M§Q³¡ªù¯uªº±Ä¥Î¤F³o®M¨t²Î§@¬°¥L­Ì³B²z¤å¥óªº¤u¨ã¡A¦Ó¨©º¸¹êÅç«Çªº±M§Q³¡ªù¤]´N¶¶²z¦¨³¹¦a¦¨¬°Unixªº²Ä¤@­Ó¥¿¦¡¨Ï¥ÎªÌ¡C·í®É¡A¨º³¡PDP-11¡þ20¥u¦³0.5MBºÏºÐªÅ¶¡¡C¦Ó´y­z³o¾ã­Ó¨t²Îªº¤å¥ó³Q¼Ð¥Ü¬°¡G"First Edition"¡Aª©¥»¤é´Á¬O1970¦~11¤ë¡C±q¦¹¥H«á¡AUnixªºª©¥»´N¥H¨t²Î¤å¥óªºª©§O¨ÓºÙ©I¡C

        1973¦~¡AKen Thompson ©M Dernis Ritchieµo©ú¤FC»y¨¥¤§«á¡AµÛ¤â±NUnixµ{¦¡¥Î°ª¶¥ªºC»y¨¥§ï¼g¡A³o­Ó®É­Ô¤w¸g¬O²Ä¥|ª©¤F¡CCªº«e¨­¥sB¡A¤]¬O¥L­Ì¨â­Ó¤H©Òµo©úªº¡A¬°¤F§ï¼gUnix¡A¥L­Ì±NB»y¨¥°µ¤F¤@µf§ï¶i¡A¦Ó¦¨¤FC»y¨¥¡C³o­Ó¹º®É¥Nªº°Ê§@ÅýUnix¯à°÷«Ü»´©öªº³Q²¾´Ó¨ì¦UºØ¤£¦Pªº¾÷¾¹¤W¡A¥u­n­×§ï¤Ö³\ªº­ì©lµ{¦¡½X¡A¾ã­ÓUnix¥i¥H¦b«Üµu®É¶¡¤º§¹¦¨²¾´Óªº°Ê§@¡C1974¦~¡A¥L­Ì¦b"Communications of the ACM"¥¿¦¡µoªí¤FUnix¡A§l¤Þ¤F§ó¦h¾Ç³N¬Éªºª`·N»P°Ñ»P¡C±q¦¹¡AUnix³vº¥¦¨¬°ºô¸ô¤u§@¯¸ªº¼Ð·Ç¡AÅý¨Ï¥Î¤£¦P¾÷¾¹ªº¨Ï¥ÎªÌ¡A³£¯à¨Ï¥ÎÃþ¦üªºUnix§@·~¨t²Î¡A³o¹ï©óºô¸ô¥@¬Éªº¼Ð·Ç¤Æ¦³µÛ«Ü¤jªº°^Äm¡C1975¦~²Ä¤»ª©(6th Edition)µoªí¡A³o¬O¯u¥¿¬y³q¨ì¨©º¸¹êÅç«Ç¥~ªºª©¥»¡C1977¦~¡AUC BerKeley¶}©l¤½¶}Pascal½s;¹¡A³s±a¦aµo§G¤F¹ï6th Editionªº§ï¶iµ{¦¡½X¡A³o´N¬O©Ò¿×ªº"1 BSD"(1st Berkeley Software Distribution)¡A¤]¶}³Ð¤FUnixªº¥t¤@­Ó¤À¤ä¡GBSD¨t¦C¡C¥t¤@­Ó­«­nªº¾ú¥v¦]¯À¬O¡A¦bUnixªº½Ï¥Íªì´Á¡A¨©º¸¹êÅç¬OÁÙ¬O¤@­Ó¤jªº¶°¦XÅé¡A¥]¬A¨©º¸¹q¸Ü¤½¥q¥H¤Î¦è¤è¹q¤l(Western Electric Co.)¡Cê©ó¤ÏÉì©Ô´µªkªº³W©w¡A¥¦¤£¯à§Q¥ÎUnix°µ¥ô¦óªº°Ó·~¦æ¬°¡A¤]¦]¦¹¡A¤º³¡ªººÞ²z¶¥¼h¦ÛµM¨S¦³¿³½ì¹ïUnix¦³¥ô¦óªº¤ä«ù¡AUnix´N¥þ¾a¤@¸sª±®a¦bµZ¿i¡A¥D­n¤Hª«·íµMÁÙ¬OKen Thompson©MDennis Richie¡C1979¦~¥ª¥kKen Thompson ¦b¬f§JµÜ±Ð±Â§@·~¨t²Îªº½Òµ{¡A¤]´N³y´N¤F¤@¨Ç¾Ç¥Í¦¨¬°Unix¥v¤Wªº­«­n¤Hª«¡C

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¦p«e©Ò­z¡AUnix ©Ò«üªº¬O¤@ºØ³q±`¬O¥Ñ C »y¨¥©Ò¼g¦¨ªº§@·~¨t²Î¡A¬O¤@ºØ¦h¤H¦h¤u(Multi-user Multi-task)ªº§@·~¨t²Î¡A¬JµM¦p¦¹¡AUnix¨t²Î¤S¬O¦p¦ó°õ¦æ¨ä¤u§@¡H§Ú­Ì´N»Ý­n¤F¸Ñ²Õ¦¨Unix§@·~¨t²Îªº¥D­n³¡¤À¡CUnix¥D­n¬O¥Ñ¤T­Ó³¡¤À©Ò²Õ¦¨ªº¡G¡u¨t²Î®Ö¤ß¡v(Kernel)¡B¡uÀɮרt²Î¡v(File System) ©M¡u©R¥O¸Ñ͵{¦¡¡v(Shell)¡C¨t²Îªº³Ì¤º¼h¬O©Ò¿×ªº¡u¨t²Î®Ö¤ß¡v¡A¬O¥ÑBell LabsªºKen Thompson¦­¦b1969¦~©Òµo®i¥X¨Óªº¡A·íªì¥¦¬O¤@¨Ç¨ã¦³ºÞ²z¨t²Î¥\¯àªºµ{¦¡¡A¥Î¨Ó±±¨î¤@¨Ç¶gÃä¸Ë¸m¡A¦p¡GºÏºÐ¡BºÏ±a¡B¦Lªí¾÷¡B²×ºÝ¾÷¤Î¨ä¥¦µwÅé¸Ë¸mµ¥µ¥¡A¨Ã¨ó½Õ¨t²Î°µ¸ê·½¤À°t¡]¦]¬°Unix¬O¤@ºØ¦h¤H¦h¤uªº§@·~¨t²Î¡^¡C¡uÀɮרt²Î¡v­t³dºÞ²z©Ò¦³¨Ï¥Î¸Ó¥D¾÷ªº¨Ï¥ÎªÌªºÀɮסB¥Ø¿ý¥H¤Î¤@¨Ç¶gÃä¸Ë¸m¡C¨t²Îªº³Ì¥~¼h¬O¤@­Ó¡u©R¥O¸Ñ͵{¦¡¡v¡]¤@¯ëºÙ¤§¬°shell¡^¡Ashell°µ¬°¨Ï¥ÎªÌ»P¡u¨t²Î®Ö¤ß¡v¤§¶¡ªº·¾³q¤¶­±¡C¨Ï¥ÎªÌ©Ò¤U¹Fªº©R¥O¡A³£¬O¥Ñshell¸ÑŪ¤§«á¡A¦A¶Ç¹Fµ¹kernel¡A¥ÑKernel¹ï¶gÃä¸Ë¸m¡B¨t²Î¸ê·½µ¥¶i¦æ¹ê»Ú¤Wªº¾Þ§@¡C

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        AT&T ªº System V¡AIntel¨t¦Cªº¾÷¾¹¦h¥b¨Ï¥Î¦¹¨t¦C¡A¬O²¾´Óª©¥»³Ì¦hªºUnix¡A·íµM¦b²¾´Ó®É³£·|¥[¤J¤@¨Ç¥Ñ BSD µo®iªº¦³¥Î¥\¯à¡A¨Ò¦p csh¡Bjob control¡B termcap¡Bcurses¡Bvi¡Bsymbolic link¡C

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¡» System III (1982)¡GAT&T ²Ä¤@­Ó®³¨Ó½æ¿úªºUnix
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 ¡» System V (1983)¡G
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 ¡» SVR3 (1986)¡G
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 ¡» SVR4 (1988)¡A¿Ä¦X¤FSystem V¡BBSD¡BSunOS¬O¦UºØUnix¤¤ªº¥D¬y
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        Berkeley Software Distribution (BSD)¡CVAX¡BRISC¡B¦U¦¡¤u§@¯¸¦h¥Î¤§¡C¤ñ°_System V¨ÓBSD ªºÅܰʤñ¸û§Ö¦Ó¥B¾Ç³N¬ã¨sªº¨ý¹D¤ñ¸û¿@¤@ÂI¡CUnix ¤§©Ò¥H¯à°÷¬y¦æ¡ABSD©~¥\Âö°¶¡C³\¦h¹ï Unixªº¥[±j§ï¶i³£¬O¥ÑBSD¥ý°µ¥X¨Óªº¡C

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 ¡» 4.3 Tahoe (1988)¡G4.3BSDªþ¥[¹ïTahoe(¤@´Ú32¦ì¤¸ªº¶W¯Å°g§A¹q¸£) ªº¤ä´©¤Î¤@¨Ç·sªF¦è
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        Open Software Foundation(OSF) ©ó 1991 ¦~©³±À¥X¤F OSF/1¡COSF/1 »Ý­n SVR2 ±ÂÅv¡C²Å¦X SVID 2¡B SVID 3¡B POSIX¡B X/Open µ¥¼Ð·Ç¡C Apollo¡ADec¡AHP¡AIBMµ¥¤j¼t°Ó³£¬O OSF ªº¦¨­û¡C
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