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📄 boot.8

📁 操作系统设计与实现源码
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4959(address)S7248 V1080(of)S(your)184 1210 A1440(machine.)S1877(You)S(don't)212 2096 A2354(need)S2590(any)S2781(con\256guration)S3362(\256les)S3575(now,)S3818(the)S10 B(irdpd)241 3986 A10 R4272(and)S10 B4462(nonamed)S10 R4904(daemons)S7368 V1080(automatically)S1653(\256nd)S1834(a)S1904(router)S2170(and)S2340(a)S2410(name)S2653(server.)S7903 V720(September)S1176(13,)S(1996)200 1326 A4990(Page)S5211(2)S8143 VEP%%Page: 3 3BP/slant 0 def/height 0 def480 V10 R720(BOOT)S1003(\()S1045(8)S1103(\))S2696(Eighth)S(Edition)296 2989 A4844(BOOT)S5127(\()S5169(8)S5227(\))S960 V1080(Note)S1308(that)S1491(no)S(knowledge)441 1623 A2096(of)S2212(the)S2368(IP)S2491(address)S2826(or)S2943(hostname)S3361(of)S3478(the)S3634(Minix)S3912(machine)S4286(itself)S4521(is)S(necessary,)417 4621 A5071(it)S5160(all)S1080 V1080(comes)S1366(from)S1591(the)S1743(RARP)S2035(and)S2209(name)S2456(servers.)S2821(A)S2923(series)S3182(of)S3295(Minix)S3569(machines)S3978(can)S4147(therefore)S4541(set)S4682(up)S4811(identically.)S1200 V1080(Even)S1312(if)S(you)150 1399 A1574(have)S1789(no)S1914(RARP)S2202(or)S2311(name)S2554(servers)S(you)150 2866 A3042(can)S(still)151 3208 A3385(set)S3523(them)S3750(up)S3876(identically)S4327(if)S(you)150 4415 A4591(list)S4740(all)S4867(the)S5016(Minix)S1320 V1080(hosts)S1311(in)S1414(the)S1562(hosts)S1793(and)S1963(ethers)S2229(\256les.)S1488 V870(S)S872(Si)S930(im)S960(mp)S1040(pl)S1092(le)S1122(er)S1169(r)S1230(c)S1232(co)S1279(on)S1331(n\256)S1383(\256g)S1441(gu)S1493(ur)S1545(ra)S1581(at)S1628(ti)S1658(io)S1688(on)S1740(n)S1817(t)S1819(to)S1849(oo)S1901(ol)S1953(ls)S1983(s)S1608 V1080(The)S10 B1273(rarpd)S10 R1525(,)S10 B(irdpd)241 1586 A10 R1863(and)S10 B2044(nonamed)S10 R2477(daemons)S2870(are)S3030(complex)S(little)185 3412 A3633(programs)S4049(that)S4236(try)S4384(to)S4498(obtain)S4786(information)S1728 V(about)223 1080 A1338(their)S(surroundings)524 1558 A2117(automatically)S2700(to)S2813(tell)S2976(the)S3133(machine)S3508(what)S3738(its)S(place)213 3867 A4114(in)S4226(the)S4383(network)S4747(is.)S4898(It)S(should)267 4994 A1848 V1080(come)S1341(as)S1468(no)S1611(surprise)S1973(that)S2167(there)S2412(are)S2579(simpler)S(utilities)302 2924 A3269(to)S3390(con\256gure)S3813(a)S3901(machine.)S4335(On)S4502(a)S4591(memory)S4970(starved)S1968 V1080(machine)S1449(it)S1533(may)S1734(even)S1952(be)S2075(wise)S2287(to)S2392(con\256gure)S2799(a)S2871(machine)S3239(statically)S3630(to)S3735(get)S3885(rid)S4024(of)S4135(the)S4285(daemons.)S4719(The)S4903(\256rst)S5087(dae-)S2088 V1080(mon,)S10 B1308(rarpd)S10 R1560(,)S1610(can)S1775(be)S(replaced)342 1895 A2262(by:)S2256 V10 B1440(ifcon\256g)S10 B-11784(-)S10 B1841(h)S10 I(host-IP-address)643 1922 A2424 V10 R1080(to)S1186(set)S1326(the)S1478(IP)S1597(address)S1928(of)S2041(the)S2193(machine.)S2613(Note)S2838(that)S3018(this)S3192(is)S3288(only)S(necessary)392 3495 A3916(if)S4007(there)S4238(is)S4334(no)S4463(external)S4817(RARP)S5109(ser-)S2544 V1080(vice.)S1323(The)S(second)279 1505 A1809(daemon)S10 B(irdpd)241 2152 A10 R2418(can)S2583(be)S(replaced)342 2703 A3070(by)S(setting)268 3195 A3488(a)S3558(static)S3796(route:)S2712 V10 B1440(add_route)S10 B-11907(-)S10 B1964(g)S10 I(router-IP-address)727 2039 A2880 V10 R1080(\(if)S1207(there)S1440(is)S1538(a)S1614(router.\))S1970(The)S2158(last)S2329(daemon,)S10 B2703(nonamed)S10 R3100(,)S3156(can)S3327(be)S(replaced)342 3453 A3826(by)S3957(an)S4083(entry)S4321(in)S10 B4431(/etc/resolv.conf)S10 R5110(that)S3000 V1080(speci\256es)S1452(an)S1572(external)S1922(name)S2165(daemon:)S3168 V10 B1440(nameserver)S10 I(nameserver-IP-address)946 1969 A3336 V10 R1080(The)S10 B1270(ifcon\256g)S10 R1622(and)S10 B1800(add_route)S10 R2275(calls)S2493(can)S2666(be)S(placed)263 2794 A3090(in)S3201(the)S3357(\256le)S10 B3520(/etc/rc.net)S10 R3950(.)S4034(The)S4225(calls)S4444(to)S4556(the)S4713(daemons)S(will)157 5104 A3456 V1080(have)S1305(to)S1418(be)S1548(edited)S1829(out)S1992(of)S10 B2111(/etc/rc)S10 R2381(.)S2466(Note)S2697(that)S2883(these)S3125(changes)S(undo)200 3484 A3719(all)S3855(the)S4013(efforts)S4312(to)S4425(make)S4678(Minix)S4958(TCP/IP)S3576 V1080(autocon\256gurable.)S1836(Make)S2095(very)S2304(sure)S2502(that)S2683(all)S2814(the)S2967(IP)S3087(addresses)S3504(are)S3659(correct,)S3996(and)S4172(that)S4354(the)S4508(IP)S4629(address)S4962(of)S(your)184 5077 A3696 V1080(machine)S1447(is)S1540(unique.)S1889(\(Mistakenly)S2401(using)S2644(the)S2793(address)S3120(of)S3229(a)S3299(main)S3525(server)S(will)157 3797 A3979(make)S4222(all)S4348(other)S4580(machines)S(look)178 4985 A5188(at)S3816 V(your)184 1080 A1289(machine,)S1680(and)S(will)157 1850 A2032(make)S2275(all)S2401(the)S2549(users)S2781(of)S2890(all)S3016(other)S3248(machines)S(look)178 3653 A3856(at)S(you.\))209 3954 A3984 V9 R720(F)S722(FI)S774(IL)S807(LE)S865(ES)S923(S)S4104 V10 R(/boot)206 1080 A2080(Minix)S2350(Boot)S2570(Monitor.)S4272 V1080(/minix)S2080(Kernel)S2380(image,)S2676(or)S2785(directory)S3174(containing)S3623(them.)S4440 V1080(/etc/rc)S2080(First)S2290(of)S2399(the)S2547(system)S(initialization)509 2851 A3385(\256les.)S4608 V1080(/etc/hosts)S2080(Name)S2346(to)S2449(IP)S2564(address)S2891(mapping.)S4776 V1080(/etc/ethers)S2080(Name)S2346(to)S2449(ethernet)S2799(address)S3126(mapping.)S4944 V9 R720(S)S722(SE)S774(EE)S832(E)S913(A)S915(AL)S983(LS)S1041(SO)S1093(O)S5064 V10 B1080(monitor)S10 R1427(\(8\),)S10 B1634(init)S10 R1780(\(8\),)S10 B1988(inet)S10 R2151(\(8\),)S10 B2359(loadkeys)S10 R2733(\(8\),)S10 B2941(readclock)S10 R3361(\(8\),)S10 B3569(fsck)S10 R3743(\(1\),)S10 B(update)297 3951 A10 R4248(\(8\),)S10 B4456(cron)S10 R4652(\(8\),)S10 B4860(ttytab)S10 R5118(\(5\),)S5184 V10 B1080(getty)S10 R1293(\(8\),)S10 B1543(hostaddr)S10 R1929(\(1\),)S10 B2179(ifcon\256g)S10 R2498(\(8\),)S10 B(irdpd)241 2748 A10 R2989(\(8\),)S10 B3239(nonamed)S10 R3636(\(8\),)S10 B3886(rarpd)S10 R4138(\(8\),)S10 B4387(hosts)S10 R4605(\(5\),)S10 B4854(ethers)S10 R5118(\(5\),)S5304 V10 B1080(set_net_default)S10 R1736(\(8\).)S5472 V9 R720(D)S722(DI)S790(IA)S823(AG)S891(GN)S959(NO)S1027(OS)S1095(ST)S1147(TI)S1205(IC)S1238(CS)S1300(S)S5592 V10 R1080(Checking)S1490(File)S1672(Systems.)S5712 V1330(If)S1423(the)S1572(system)S1877(has)S2037(crashed)S2371(then)S10 B2570(fsck)S10 R2770(is)S2863(called)S3130(for)S3274(the)S3423(root)S3611(and)S3782(/usr)S3959(\256le)S4114(systems.)S4508(It)S4596(is)S4689(wise)S4900(to)S(reboot)257 5004 A5832 V1330(if)S1417(the)S1565(root)S1752(\256le)S1906(system)S2210(must)S2430(be)S2550(\256xed.)S6000 V1080(Finish)S1356(the)S1504(name)S1747(of)S1856(device)S2144(to)S(mount)256 2247 A2528(as)S2637(/usr:)S2841(/dev/)S6120 V1330(If)S1424(the)S1573(name)S1817(of)S1927(the)S2076(/usr)S2253(\256le)S2408(system)S2713(has)S2873(not)S3027(been)S3243(set)S3381(in)S3485(/etc/fstab.)S3931(You)S4130(can)S4296(type)S4495(a)S4567(device)S4857(name,)S5127(say)S6240 V10 B1330(fd0)S10 R1470(.)S6408 V1080(hostaddr:)S1479(unable)S1772(to)S1875(fetch)S2102(IP)S2217(address)S6528 V1330(TCP/IP)S1683(miscon\256guration.)S2464(The)S2671(RARP)S2984(may)S3208(have)S3449(failed)S(because)319 3730 A4100(the)S4274(ethernet)S4650(address)S5003(of)S5138(the)S6648 V1330(machine)S1704(is)S1804(not)S1965(entered)S2295(in)S2406(either)S2669(the)S2825(remote)S3137(or)S3253(the)S3408(local)S3636(ethers)S3909(\256le.)S4120(Either)S4399(talk)S4582(to)S(your)184 4692 A4908(Network)S6768 V1330(Administrator,)S1945(or)S2054(make)S2297(an)S2417(ethers)S2683(and)S2853(a)S2923(hosts)S3154(\256le.)S6936 V1080(1.2.3.4)S1380(login:)S7056 V1330(If)S(you)150 1426 A1604(see)S1761(an)S1884(IP)S2002(address)S2332(instead)S2645(of)S2757(a)S2830(host)S3025(name)S3271(then)S3472(the)S3623(system)S3930(failed)S4188(to)S4294(translate)S4664(the)S4815(IP)S4934(address.)S7176 V1330(Either)S1606(talk)S1786(to)S(your)184 1893 A2106(Network)S2488(Administrator)S3082(to)S3188(have)S3406(the)S3557(reverse)S3877(address)S4207(translation)S4660(tables)S4923(\256xed,)S5177(or)S7296 V1330(make)S1573(a)S1643(hosts)S1874(\256le.)S7903 V720(Page)S941(3)S4455(September)S4911(13,)S(1996)200 5061 A8143 VEP%%Page: 4 4BP/slant 0 def/height 0 def480 V10 R720(BOOT)S1003(\()S1045(8)S1103(\))S2696(Eighth)S(Edition)296 2989 A4844(BOOT)S5127(\()S5169(8)S5227(\))S960 V9 R720(N)S722(NO)S790(OT)S858(TE)S916(ES)S974(S)S1080 V10 R1080(The)S1276(names)S1572("darask")S1956(and)S2140("burask")S2529(are)S2692(names)S2988(of)S(cities)213 3111 A3363(from)S3599(the)S3762(Dutch)S4048(translation)S4513(of)S4637(the)S(novel)223 4800 A5063("The)S1200 V1080(Many-Colored)S1700(Land")S1976(by)S2103(Julian)S2370(May.)S2631(The)S2815(author)S3099(of)S3210(this)S3382(text)S3560(likes)S3777(names)S4061(of)S4172(hosts)S4405(to)S4510(be)S4632(things)S4904(that)S5082(con-)S1320 V1080(tain)S1256(people,)S1574(like)S(cities)213 1750 A1988(and)S2158(ships.)S1488 V9 R720(B)S722(BU)S784(UG)S852(GS)S920(S)S1608 V10 R1080(Inde\256nite)S1518(hangs)S1804(are)S1980(possible)S2361(if)S2475(I/O)S2662(addresses)S3100(or)S3236(IRQ's)S3535(are)S(wrong.)282 3711 A4071(A)S4197(driver)S4491(may)S4717(babble)S(about)223 5038 A1728 V1080(addresses)S1492(and)S1662(IRQ's,)S1959(but)S2112(that)S2288(does)S2497(not)S2650(mean)S2893(that)S3069(what)S3290(it)S3371(says)S3569(is)S3661(true,)S3868(it)S3949(may)S4147(just)S4317(be)S4437(con\256gured)S4892(that)S5068(way.)S1848 V1080(It)S1167(is)S1259(very)S1463(dif\256cult)S1807(to)S1910(\256nd)S2091(peripherals)S2564(on)S2689(a)S2759(PC)S2907(automatically,)S3505(and)S3675(Minix)S3945(doesn't)S4266(even)S4481(try.)S2016 V9 R720(A)S722(AU)S790(UT)S858(TH)S916(HO)S984(OR)S1052(R)S2136 V10 R1080(Kees)S1307(J.)S1396(Bot)S1566(\(kjb@cs.vu.nl\))S7903 V720(September)S1176(13,)S(1996)200 1326 A4990(Page)S5211(4)S8143 VEP%%Trailer%%DocumentFonts: Times-Roman Times-Bold Times-Italic%%Pages: 4

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