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
+ n% Q* P! H& G) E. Pyum install vixie-cron 撠勗臬鋆摰2 ^7 p4 B) K4 r; W, q3 P
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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
* r+ N+ D/ q+ Z; P( U: Y, L( Icrontab 澆憒銝嚗! {1 C0 M/ F, k- \) O, B/ [, ?
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30 12 * * * /usr/bin/rm xxx.txt T H9 f8 @$ n. e
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12:30 撠 xxx.txt 瑼獢畾箸
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4 S* Y. P% Y& N, p1 D血撖 crontab 瘜冽敹雿輻 蝯撠頝臬憒 rm 瑁瑼 敹撖急 /usr/bin/rm
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# every two hours from 11p.m. to 7a.m., and at 8a.m.; y$ H+ Q+ q& T2 C% o
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, m% j/ [0 V6 Z2 J& w8 Z c渲底蝝啣臬: http://linux.vbird.org/linux_basic/0430cron.php F" o1 x2 L4 E2 h
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潸” 2015-9-22 22:11:29
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鈭
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