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
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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 + T; Q5 t: ]+ g) \
yum install vixie-cron 撠勗臬鋆摰( m6 g5 I6 }1 y$ g u( a
8 e, \4 F6 |! Z6 A: `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 root1 s1 u: u* H1 A, K9 o8 M4 ?! d5 a+ u
crontab 澆憒銝嚗5 ]" V. v1 k! j! ?1 z
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30 12 * * * /usr/bin/rm xxx.txt
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' l4 w+ D& g( Z+ Y: R 12:30 撠 xxx.txt 瑼獢畾箸
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血撖 crontab 瘜冽敹雿輻 蝯撠頝臬憒 rm 瑁瑼 敹撖急 /usr/bin/rm0 U) ^9 e- y2 O0 J( l' j. F$ B ]3 T/ `
靘:# every two hours at the top of the hour( K2 H" ?4 x0 ?+ M5 Z
0 */2 * * * date
! ?0 I1 ^2 Z' d% N: H: q% E6 Q # every two hours from 11p.m. to 7a.m., and at 8a.m.) ?% X( t0 l0 p$ i" L: Y
0 23-7/2,8 * * * date
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渲底蝝啣臬: http://linux.vbird.org/linux_basic/0430cron.php* g& ^7 I3 y# r
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潸” 2015-9-22 22:11:29
嗉
鈭
霈
