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1109(TI)S1167(IO)S1200(ON)S1268(N)S1944 V10 I1080(Cron)S10 R1316(is)S1413(clock)S1661(daemon.)S2059(It)S2151(is)S2249(typically)S2632(started)S2932(up)S3063(by)S3194(including)S3604(the)S3758(command)S10 I4185(/usr/bin/cron)S10 R4740(in)S4849(the)S10 I5003(/etc/rc)S2064 V10 R1080(\256le.)S1263(Once)S1505(started,)S10 I1828(cron)S10 R2041(puts)S2237(itself)S2468(in)S2575(the)S(background,)499 2727 A3255(so)S3373(no)S3502(&)S3609(is)S3704(needed.)S4067(It)S4157(runs)S4358(forever,)S4703(sleeping)S5066(most)S2184 V1080(of)S1191(the)S1341(time.)S1597(Once)S1837(a)S1909(minute)S2215(it)S2298(wakes)S2577(up)S2705(and)S2878(examines)S10 I(/usr/lib/crontab)630 3286 A10 R3944(to)S4050(see)S4207(if)S4297(there)S4527(is)S4622(any)S4795(work)S5030(to)S5136(do.)S2304 V1080(If)S1179(there)S1412(is,)S1535(the)S1689(work)S1927(is)S(done.)220 2025 A2301(The)S2489(entries)S2789(of)S10 I(/usr/lib/crontab)630 2903 A10 R3563(contain)S3889(6)S3969(elements)S(each.)210 4357 A4622(Some)S4881(examples)S2424 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A2588(cause)S2845(information)S3353(on)S3486(it)S3575(to)S3685(be)S3812(lost.)S(Rebooting)418 4014 A4464(the)S4619(system)S10 I4930(immedi-)S3048 V1080(ately)S10 R1308(is)S1407(mandatory)S1869(after)S2087(changing)S(partition)341 2487 A2860(sizes)S3088(and)S3265(parameters.)S8 R3780(MINIX)S10 R4021(,)S8 R4078(XENIX)S10 R4329(,)S8 R4381(PC-IX)S10 R4592(,)S4650(and)S8 R4823(MS-DOS)S10 R5160(all)S3168 V1080(have)S1304(different)S(partition)341 1686 A2061(numbering)S2530(schemes.)S2955(Thus)S3190(when)S3442(using)S(multiple)335 3693 A4061(systems)S4412(on)S4545(the)S4701(same)S4941(disk,)S5166(be)S3288 V1080(careful.)S3456 V1080(Note)S1309(that)S8 R1488(MINIX)S10 R1729(,)S1787(unlike)S2071(MS-DOS)S2485(,)S(cannot)268 2544 A(access)258 2846 A3138(the)S3295(last)S3469(sector)S3744(in)S3856(a)S(partition)341 3935 A4310(with)S4523(an)S(odd)150 4652 A4836(number)S5177(of)S3576 V1080(sectors.)S1445(The)S1637(reason)S1935(that)S(odd)150 2120 A(partition)341 2304 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V720(Page)S941(1)S2669(\()S2711(May)S2920(23,)S(1986)200 3070 A3278(\))S4455(September)S4911(17,)S(1996)200 5061 A8143 VEP%%Page: 1 14BP/slant 0 def/height 0 def480 V10 R720(FINGERD)S1166(\()S1208(8)S1266(\))S2696(Eighth)S(Edition)296 2989 A4681(FINGERD)S5127(\()S5169(8)S5227(\))S960 V9 R720(N)S722(NA)S790(AM)S858(ME)S940(E)S1080 V10 R1080(\256ngerd,)S1415(in.\256ngerd)S10 R-11828(-)S10 R1910(remote)S2215(user)S2408(information)S2908(server)S1248 V9 R720(S)S722(SY)⌨️ 快捷键说明
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