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📄 allman5.ps

📁 Unix操作系统minix 2.0源码
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480 V10 R720(PASSWD)S1137(\()S1179(5)S1237(\))S2696(Eighth)S(Edition)296 2989 A4710(PASSWD)S5127(\()S5169(5)S5227(\))S960 V10 B1080(nobody)S10 R1431(id)S1542(is)S1642(used)S1859(in)S1970(those)S2215(cases)S2461(that)S2645(a)S2723(program)S3097(may)S3303(not)S3464(have)S3687(any)S3865(privileges)S4295(at)S4401(all.)S4585(The)S10 B4774(ast)S10 R4929(id)S5039(is)S5138(the)S1080 V(honorary)363 1080 A1470(home)S1720(directory)S2111(for)S2256(Andrew)S2608(S.)S2716(Tanenbaum,)S3243(the)S3393(creator)S3701(of)S3812(Minix.)S4134(You)S4334(can)S4501(also)S4691(\256nd)S4875(the)S(initial)235 5026 A1200 V1080(contents)S1440(for)S1583(a)S1653(new)S1846(home)S2094(directory)S2483(there.)S1368 V1080(The)S1262(special)S(group)234 1567 A1826(\256le)S1980(entries)S2274(are:)S1536 V1440(operator:*:0:)S1656 V1440(daemon:*:1:)S1776 V1440(bin:*:2:)S1896 V1440(other:*:3:)S2016 V1440(tty:*:4:)S2136 V1440(uucp:*:5:)S2256 V1440(news:*:6:)S2376 V1440(ftp:*:7:)S2496 V1440(kmem:*:8:)S2616 V(nogroup:*:99:)568 1440 A2784 V(Groups)296 1080 A1406(with)S1615(the)S1768(same)S2005(name)S2253(as)S2367(special)S2677(user)S2875(id)S2983(are)S3137(used)S3351(with)S3560(those)S3802(id's.)S4033(The)S10 B4220(operator)S10 R(group)234 4626 A4891(is)S4989(for)S5138(the)S2904 V1080(administrators)S1683(of)S1794(the)S1944(system.)S2300(Users)S2557(in)S2662(this)S(group)234 2834 A3094(are)S3244(granted)S3572(special)S3878(privileges.)S4351(The)S10 B4534(other)S10 R(group)234 4790 A5050(is)S5143(for)S3024 V1080(ordinary)S1455(users.)S1746(The)S10 B1937(tty)S10 R(group)234 2089 A2357(is)S2458(for)S2610(terminal)S2980(devices,)S3341(and)S3520(associated)S3968(set-gid)S4276(commands.)S4796(Same)S5055(thing)S3144 V1080(with)S1284(the)S10 B1432(kmem)S10 R(group)234 1726 A1985(and)S2155(memory)S2515(devices.)S3312 V9 R720(F)S722(FI)S774(IL)S807(LE)S865(ES)S923(S)S3432 V10 B1080(/etc/passwd)S10 R1830(The)S2012(user)S2205(database.)S3600 V10 B1080(/etc/group)S10 R1830(The)S(group)234 2012 A2271(database.)S3768 V10 B1080(/etc/shadow)S10 R1830(The)S2012(shadow)S2344(password)S2749(\256le.)S3936 V9 R720(S)S722(SE)S774(EE)S832(E)S913(A)S915(AL)S983(LS)S1041(SO)S1093(O)S4056 V10 B1080(login)S10 R1292(\(1\),)S10 B1460(passwd)S10 R1773(\(1\),)S10 B1941(su)S10 R2036(\(1\),)S10 B2204(crypt)S10 R2434(\(3\),)S10 B2602(getpwent)S10 R2995(\(3\),)S10 B3163(getgrent)S10 R3522(\(3\),)S10 B3690(pwdauth)S10 R4071(\(8\).)S4224 V9 R720(N)S722(NO)S790(OT)S858(TE)S916(ES)S974(S)S4344 V10 R1080(The)S10 B1263(nobody)S10 R1607(and)S10 B1778(nogroup)S10 R2167(id's)S2344(are)S2494(likely)S2749(to)S2853(be)S2974(renumbered)S3481(to)S3585(the)S3734(highest)S4050(possible)S4405(id's)S4582(once)S4799(it)S4882(is)S4976(\256gured)S4464 V1080(out)S1233(what)S1454(they)S1652(are.)S4632 V9 R720(A)S722(AU)S790(UT)S858(TH)S916(HO)S984(OR)S1052(R)S4752 V10 R1080(Kees)S1307(J.)S1396(Bot)S1566(\(kjb@cs.vu.nl\))S7903 V720(September)S1176(17,)S(1996)200 1326 A2553(\()S(December)415 2595 A3035(14,)S(1989)200 3185 A3393(\))S4990(Page)S5211(2)S8143 VEP%%Page: 1 9BP/slant 0 def/height 0 def480 V10 R720(RESOLVER)S1250(\()S1292(5)S1350(\))S2696(Eighth)S(Edition)296 2989 A4597(RESOLVER)S5127(\()S5169(5)S5227(\))S960 V9 R720(N)S722(NA)S790(AM)S858(ME)S940(E)S1080 V10 R1080(resolver)S10 R-11430(-)S10 R1512(resolver)S1862(con\256guration)S2423(\256le)S1248 V9 R720(S)S722(SY)S774(YN)S842(NO)S910(OP)S978(PS)S1030(SI)S1082(IS)S1115(S)S1368 V10 R1080(/etc/resolv.conf)S1536 V9 R720(D)S722(DE)S790(ES)S848(SC)S900(CR)S962(RI)S1024(IP)S1057(PT)S1109(TI)S1167(IO)S1200(ON)S1268(N)S1656 V10 R1080(The)S10 I1266(resolver)S10 R1625(is)S1721(a)S1795(set)S1936(of)S2049(routines)S2402(in)S2509(the)S2661(C)S2757(library)S3056(\()S10 I3090(resolv)S10 R3344(\(3\)\))S3526(that)S3707(provide)S(access)258 4044 A4332(to)S4440(the)S4593(Internet)S4937(Domain)S1776 V1080(Name)S1348(System.)S1721(The)S1905(resolver)S2257(con\256guration)S2820(\256le)S2976(contains)S3338(information)S3840(that)S4018(is)S4111(read)S4311(by)S4437(the)S4586(resolver)S4937(routines)S1896 V1080(the)S1233(\256rst)S1420(time)S1629(they)S1832(are)S(invoked)323 1986 A2339(by)S2469(a)S2545(process.)S2928(The)S3116(\256le)S3276(is)S3374(designed)S3762(to)S3871(be)S3997(human)S4301(readable)S4674(and)S4850(contains)S5216(a)S2016 V1080(list)S1228(of)S1337(keywords)S1753(with)S1957(values)S2239(that)S2415(provide)S2747(various)S3068(types)S3305(of)S3414(resolver)S3764(information.)S2184 V1080(On)S1230(a)S1302(normally)S1692(con\256gured)S2149(system)S2455(this)S2627(\256le)S(should)267 2783 A3077(not)S3232(be)S(necessary.)417 3354 A3823(The)S4007(only)S4212(name)S4457(server)S4731(to)S4836(be)S4959(queried)S2304 V(will)157 1080 A1278(be)S1414(on)S1555(the)S1719(local)S1955(machine,)S2361(the)S2524(domain)S2865(name)S3123(is)S3230(determined)S3723(from)S3959(the)S4122(host)S4329(name,)S4612(and)S4797(the)S4960(domain)S2424 V1080(search)S1363(path)S1561(is)S1653(constructed)S2142(from)S2363(the)S2511(domain)S2837(name.)S2592 V1080(The)S1262(different)S1635(con\256guration)S2196(options)S2516(are:)S2760 V10 B1080(nameserver)S2880 V10 R1440(Internet)S1798(address)S2144(\(in)S2300(dot)S2472(notation\))S2879(of)S3007(a)S3096(name)S3358(server)S3649(that)S3844(the)S4011(resolver)S(should)267 4380 A4691(query.)S5015(Up)S5183(to)S3000 V(MAXNS)364 1440 A1844(\(currently)S2282(3\))S2406(name)S2664(servers)S2990(may)S3203(be)S3338(listed,)S3621(one)S3806(per)S3974(keyword.)S4415(If)S4522(there)S4763(are)S(multiple)335 4926 A3120 V1440(servers,)S1790(the)S1952(resolver)S2316(library)S2624(queries)S2954(them)S3194(in)S3312(the)S3475(order)S3728(listed.)S4036(If)S4144(no)S10 B4284(nameserver)S10 R4828(entries)S5137(are)S3240 V1440(present,)S1787(the)S1941(default)S2252(is)S2350(to)S2458(use)S2622(the)S2775(name)S3023(server)S3300(on)S3430(the)S3583(local)S3809(machine.)S4230(\(The)S4451(algorithm)S4872(used)S5086(is)S5183(to)S3360 V1440(try)S1591(a)S1675(name)S1932(server,)S2243(and)S2427(if)S2528(the)S2690(query)S2959(times)S3217(out,)S3410(try)S3562(the)S3725(next,)S(until)184 3963 A4187(out)S4355(of)S4479(name)S4737(servers,)S5088(then)S3480 V1440(repeat)S1712(trying)S1977(all)S2103(the)S2251(name)S2494(servers)S(until)184 2805 A3014(a)S3084(maximum)S3516(number)S3848(of)S3957(retries)S4235(are)S4384(made\).)S3648 V10 B1080(domain)S10 R1440(Local)S1699(domain)S2029(name.)S2326(Most)S2561(queries)S2881(for)S3028(names)S3314(within)S3600(this)S3775(domain)S4106(can)S4276(use)S4440(short)S4671(names)S4958(relative)S3768 V1440(to)S1552(the)S1709(local)S1939(domain.)S2324(If)S2425(no)S10 B2558(domain)S10 R2915(entry)S3155(is)S3255(present,)S3604(the)S3760(domain)S4094(is)S4194(determined)S4680(from)S4909(the)S5065(local)S3888 V1440(host)S1633(name)S1877(returned)S2239(by)S10 I2365(gethostname)S10 R2889(\(2\);)S3061(the)S3210(domain)S3537(part)S3720(is)S3813(taken)S4057(to)S4162(be)S4284(everything)S4741(after)S4954(the)S5104(\256rst)S4008 V1440(`.'.)S1608(Finally,)S1943(if)S2030(the)S2178(host)S2370(name)S2613(does)S2822(not)S2975(contain)S3296(a)S3366(domain)S3692(part,)S3899(the)S4047(root)S4234(domain)S4560(is)S4652(assumed.)S4176 V10 B1080(search)S10 R1440(Search)S1762(list)S1932(for)S2098(host-name)S(lookup.)303 2565 A2941(The)S3146(search)S3452(list)S3623(is)S3738(normally)S4149(determined)S4650(from)S4894(the)S5065(local)S4296 V1440(domain)S1792(name;)S2089(by)S2240(default,)S2596(it)S2703(begins)S3016(with)S3246(the)S3420(local)S3667(domain)S4018(name,)S4311(then)S(successive)425 4534 A5009(parent)S4416 V1440(domains)S1806(that)S1983(have)S2199(at)S2298(least)S2509(two)S(components)485 2686 A3197(in)S3301(their)S3512(names.)S3845(This)S4050(may)S4249(be)S4371(changed)S4733(by)S4860(listing)S5138(the)S4536 V1440(desired)S1765(domain)S2100(search)S2392(path)S2599(following)S3024(the)S10 I3181(search)S10 R3483(keyword)S3869(with)S(spaces)263 4082 A4379(or)S4496(tabs)S4691(separating)S5138(the)S4656 V1440(names.)S1781(Most)S2021(resolver)S2380(queries)S(will)157 2705 A2896(be)S3025(attempted)S3456(using)S(each)185 3707 A(component)446 3926 A4406(of)S4524(the)S4682(search)S4975(path)S5183(in)S4776 V1440(turn)S(until)184 1631 A1844(a)S1918(match)S2193(is)S(found.)259 2289 A2602(Note)S2827(that)S3007(this)S3181(process)S3512(may)S3714(be)S3838(slow)S4057(and)S(will)157 4230 A4415(generate)S4785(a)S4858(lot)S4992(of)S5104(net-)S4896 V1440(work)S1675(traf\256c)S1945(if)S2035(the)S2186(servers)S2500(for)S2646(the)S2798(listed)S3045(domains)S3414(are)S3567(not)S3724(local,)S3974(and)S4148(that)S4328(queries)S(will)157 4648 A4834(time)S5042(out)S5199(if)S5016 V1440(no)S1565(server)S1837(is)S1929(available)S2318(for)S2461(one)S2631(of)S2740(the)S2888(domains.)S5184 V1440(The)S1622(search)S1905(list)S2053(is)S2145(currently)S2534(limited)S2844(to)S2947(six)S3089(domains)S3454(with)S3658(a)S3728(total)S3932(of)S(256)150 4041 A4216(characters.)S5352 V1080(The)S10 I1263(domain)S10 R1590(and)S10 I1762(search)S10 R2057(keywords)S2475(are)S2626(mutually)S3010(exclusive.)S3467(If)S3562(more)S3796(than)S3996(one)S4168(instance)S4525(of)S4636(these)S4870(keywords)S5472 V1080(is)S1172(present,)S1513(the)S1661(last)S1826(instance)S(will)157 2181 A2363(override.)S5640 V1080(The)S1263(keyword)S1641(and)S1812(value)S2056(must)S2278(appear)S2574(on)S2701(a)S2773(single)S3040(line,)S3243(and)S3415(the)S3565(keyword)S3944(\(e.g.)S10 B4150(nameserver)S10 R4654(\))S4715(must)S4937(start)S5138(the)S5760 V1080(line.)S1306(The)S1488(value)S1731(follows)S2058(the)S2206(keyword,)S2608(separated)S3014(by)S3139(white)S(space.)249 3388 A5928 V9 R720(F)S722(FI)S774(IL)S807(LE)S865(ES)S923(S)S6048 V10 I1080(/etc/resolv.conf)S6216 V9 R720(S)S722(SE)S774(EE)S832(E)S928(A)S930(AL)S998(LS)S1056(SO)S1108(O)S6336 V10 R(gethostbyname\(3N\),)824 1080 A1929(resolver\(3\),)S2422(hostname\(7\),)S2975(named\(8\))S6456 V1080(Name)S1346(Server)S1635(Operations)S2102(Guide)S2373(for)S2516(BIND)S7903 V720(Page)S941(1)S4455(September)S4911(17,)S(1996)200 5061 A8143 VEP%%Page: 1 10BP/slant 0 def/height 0 def480 V10 R720(RESOLV.CONF)S1415(\()S1457(5)S1515(\))S2696(Eighth)S(Edition)296 2989 A4432(RESOLV.CONF)S5127(\()S5169(5)S5227(\))S960 V9 R720(N)S722(NA)S790(AM)S858(ME)S940(E)S1080 V10 R1080(resolv.conf)S10 R-11555(-)S10 R1637(Domain)S1986(Name)S2252(System)S2573(resolver)S2923(configuration)S1248 V9 R720(S)S722(SY)S774(YN)S842(NO)S910(OP)S978(PS)S1030(SI)S1082(IS)S1115(S)S1368 V10 B1080(/etc/resolv.conf)S1536 V9 R720(D)S722(DE)S790(ES)S848(SC)S900(CR)S962(RI)S1024(IP)S1057(PT)S1109(TI)S1167(IO)S1200(ON)S1268(N)S1656 V10 R1080(The)S10 B1271(/etc/resolv.conf)S10 R1952(is)S2053(used)S2271(to)S2383(configure)S2804(how)S3012(the)S3170(host)S(will)157 3372 A3564(use)S3733(the)S3891(Domain)S4250(Name)S4526(System)S4857(to)S4970(resolve)S1776 V1080(hostnames)S1529(to)S1632(IP)S1747(addresses.)S2208(It)S2295(may)S2493(contain)S2814(these)S3046(two)S3222(lines:)S1944 V1440(nameserver)S10 I(IP-address)442 2190 A2064 V10 R1440(domain)S10 I2190(domain-name)S2232 V10 R1080(The)S1270(nameserver)S1768(entry)S2008(tells)S2209(the)S2365(IP)S2488(address)S2823(of)S2940(the)S3096(host)S3296(to)S3407(use)S3574(for)S3725(DNS)S3960(queries.)S4335(If)S4437(it)S4527(is)S4628(set)S4774(to)S(127.0.0.1)375 4886 A2352 V1080(\(which)S1402(is)S1511(the)S1676(default\))S2032(then)S2247(the)S2412(local)S2650(name)S2910(daemon)S3270(is)S3379(used)S3605(that)S3798(may)S4013(use)S4189(the)S10 B4354(/etc/hosts)S10 R4794(database)S5183(to)S2472 V1080(translate)S1447(host)S1639(names.)S1971(You)S2169(normally)S2557(only)S2760(need)S2976(a)S3047(nameserver)S3538(entry)S3771(if)S3859(the)S4008(name)S4252(server)S4525(is)S4618(at)S4717(the)S4866(other)S5099(side)S2592 V1080(of)S1189(a)S1259(router.)S1575(The)S

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