mount.2

操作系统设计与实现源码

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%%EndProlog
%%Page: 1 1
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/slant 0 def
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480 V
10 R
(MOUNT)370 720 A
1098(\()S
1140(2)S
1198(\))S
2696(Eighth)S
(Edition)296 2989 A
(MOUNT)370 4749 A
5127(\()S
5169(2)S
5227(\))S
960 V
9 R
720(N)S
722(NA)S
790(AM)S
858(ME)S
940(E)S
1080 V
10 R
(mount,)281 1080 A
(umount)306 1386 A
10 R-1
1717(-)S
10 R
(mount)256 1799 A
2080(or)S
(umount)306 2189 A
2520(a)S
2590(\256le)S
2744(system)S
1248 V
9 R
720(S)S
722(SY)S
774(YN)S
842(NO)S
910(OP)S
978(PS)S
1030(SI)S
1082(IS)S
1115(S)S
1368 V
10 B
1080(#include)S
1482(<unistd.h>)S
1488 V
1080(#include)S
1482(<sys/mount.h>)S
1728 V
1080(int)S
1236(mount\(char)S
1784(*)S
10 I
1834(special)S
10 B
2119(,)S
2182(char)S
2416(*)S
10 I
2466(name)S
10 B
2684(,)S
2747(int)S
10 I
(\257ag)150 2903 A
10 B
3053(\))S
1848 V
1080(int)S
1236(umount\(char)S
1840(*)S
10 I
1890(name)S
10 B
2108(\))S
2016 V
9 R
720(D)S
722(DE)S
790(ES)S
848(SC)S
900(CR)S
962(RI)S
1024(IP)S
1057(PT)S
1109(TI)S
1167(IO)S
1200(ON)S
1268(N)S
2136 V
10 B
(Mount\(\))359 1080 A
10 R
1477(tells)S
1683(the)S
1844(system)S
2161(that)S
2351(the)S
2513(\256le)S
2681(system)S
10 I
2999(special)S
10 R
3323(is)S
3429(to)S
3546(be)S
(mounted)351 3680 A
4070(on)S
4209(the)S
4371(\256le)S
10 I
4539(name)S
10 R
4765(,)S
4829(effectively)S
2256 V
1080(overlaying)S
10 I
1539(name)S
10 R
1786(with)S
1994(the)S
2146(\256le)S
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2485(on)S
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2614(special)S
10 R
2907(.)S
10 I
2986(Name)S
10 R
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2376 V
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10 R
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10 I
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10 R
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3807(a)S
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4433(\256le,)S
4614(except)S
4904(for)S
(loop-)212 5049 A
2496 V
1080(back)S
(mounts.)320 1295 A
1665(For)S
(loopback)368 1830 A
(mounts)295 2223 A
2543(a)S
2613(normal)S
2923(\256le)S
3077(or)S
3186(directory)S
3575(is)S
3667(used)S
3876(for)S
10 I
4019(special)S
10 R
4312(,)S
4362(which)S
4633(must)S
4853(be)S
4973(seen)S
5177(as)S
2616 V
1080(the)S
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1594(virtual)S
1882(device.)S
10 I
2220(Flag)S
10 R
2435(is)S
2527(0)S
2602(for)S
2745(a)S
2815(read-write)S
(mount,)281 3256 A
3562(1)S
3637(for)S
3780(read-only.)S
2784 V
10 B
(Umount\(\))421 1080 A
10 R
1535(removes)S
1911(the)S
(connection)441 2069 A
2545(between)S
2916(a)S
2996(device)S
3294(and)S
3474(a)S
(mount)256 3554 A
3845(point,)S
10 I
4111(name)S
10 R
4364(may)S
4572(refer)S
4799(to)S
4912(either)S
5177(of)S
2904 V
1080(them.)S
1370(If)S
1477(more)S
1723(than)S
1935(one)S
2119(device)S
2421(is)S
(mounted)351 2527 A
2917(on)S
3056(the)S
3217(same)S
(mount)256 3462 A
3756(point)S
4000(then)S
(unmounting)484 4211 A
4733(at)S
4844(the)S
(mount)256 5005 A
3024 V
1080(point)S
1333(removes)S
1721(the)S
1891(last)S
(mounted)351 2078 A
2476(device,)S
(unmounting)484 2811 A
3342(a)S
3434(device)S
3744(removes)S
4132(precisely)S
4544(that)S
4743(device.)S
5104(The)S
3144 V
(unmount)356 1080 A
(will)157 1461 A
1643(only)S
(succeed)319 1846 A
2190(if)S
(none)195 2277 A
2497(of)S
2606(the)S
2754(\256les)S
2947(on)S
3072(the)S
3220(device)S
3508(are)S
3657(in)S
3760(use.)S
3312 V
1080(Both)S
1300(calls)S
1510(may)S
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1911(be)S
2031(executed)S
2414(by)S
2539(the)S
2687(super-user.)S
3480 V
9 R
720(S)S
722(SE)S
774(EE)S
832(E)S
913(A)S
915(AL)S
983(LS)S
1041(SO)S
1093(O)S
3600 V
10 B
1080(mount)S
10 R
1360(\(1\),)S
10 B
1528(umount)S
10 R
1864(\(1\).)S
3768 V
9 R
720(A)S
722(AU)S
790(UT)S
858(TH)S
916(HO)S
984(OR)S
1052(R)S
3888 V
10 R
1080(Kees)S
1307(J.)S
1396(Bot)S
1566(\([e-mail]\))S
7903 V
720(Page)S
941(1)S
4455(September)S
4911(13,)S
(1996)200 5061 A
8143 V
EP
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