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[linux隞也 crontab 雿輻冽澆

[銴鋆賡包
頝唾唳摰璅撅
璅銝
潸” 2015-9-22 22:11:29 | 芰閰脖 撣 |甇摨閬 |梯璅∪
Linux/Unix 蝟餌絞 crontab 蝔撘舐其霈蝟餌絞雿輻刻芾閮剖券閬   嚗閬鈭* j( Q1 z! c2 J& X& c, d
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靘憒雿輻刻臭誑閮剖瘥銝拐8暺芸ftp 唳啣餅瑼獢嚗   瘥憭拙憭3暺芸隞質蝑...閬摰鋆蝵殷閮園扯撣貉酉 /usr/sbin/crond 蝔撘銝 Linux 券璈芸頛伐憒潛曄 crond 刻嚗臭誑 /etc/rc.d/init.d/ 桅銝臬行撠瑁crond 蝔撘隞文仿璈芸瑁瑼鋆⊿U憒賣銵函內瘝摰鋆crond, CentOS 銝芾銝隞
% @$ k) a2 M* kyum install vixie-cron    撠勗臬鋆摰% O5 J; j( c( q, [  i. x/ o1 N
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雿輻刻臭誑 crontab -e(摮瑼敺喳餌) 隞支蝺典神閬撌乩撖怠其 file 鋆∴瑁 crontab filename  撠勗臭誑鈭雿輻刻 crontab 瑼賣摮 /var/spool/cron/ 銝,瑼撠望航府撣唾摮,靘憒 root
$ ~: M2 W0 i& B" K4 H$ a* vcrontab 澆憒銝嚗9 H2 y5 N+ ~, b" p( m/ Y
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               閬瑁隞
! \: p5 g% }$ L; c靘憒:5 r5 q4 e6 K/ A

/ I( i; o# T6 U6 \5 p0 A  M1 X' r30 12   *   *   *       /usr/bin/rm xxx.txt
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. M+ @3 c9 b' n5 o# n 12:30 撠 xxx.txt 瑼獢畾箸/ F$ U0 {$ X; x+ _$ o) E( J
* 銵函內瘥交瘥賢瑁. b7 t, b* E* e7 D  a5 \4 Y' i
血撖 crontab 瘜冽敹雿輻 蝯撠頝臬憒 rm 瑁瑼 敹撖急 /usr/bin/rm3 g9 ]' \. b; O# A9 ]
靘:# every two hours at the top of the hour. L+ P9 `- z4 f# Z# _7 K
           0 */2 * * * date
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# every two hours from 11p.m. to 7a.m., and at 8a.m.
9 {; ~/ t3 n: }9 ~; W           0 23-7/2,8 * * * date% F' ?$ c% D/ ^5 l# b9 F2 G5 X
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渲底蝝啣臬:  http://linux.vbird.org/linux_basic/0430cron.php6 Y7 M! j7 h8 y% a
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