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 2 V3 a! n- ?) H5 q' J8 M$ A
yum install vixie-cron 撠勗臬鋆摰
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9 s0 X5 C A8 n- _* i6 ^, W. c+ H8 J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
8 |9 p2 ]3 V* Scrontab 澆憒銝嚗
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靘憒:
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& e0 Z4 c3 r7 u30 12 * * * /usr/bin/rm xxx.txt+ U! c2 o! N2 N
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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/rm
0 @) o# R* i' d靘:# every two hours at the top of the hour1 F3 d! @* y9 J- J1 N
0 */2 * * * date4 [- ~1 l9 k1 @0 @( Y
# every two hours from 11p.m. to 7a.m., and at 8a.m.+ r# b2 r% v4 X; H! o
0 23-7/2,8 * * * date
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& |- l& {- r" c% ? [ Q: e渲底蝝啣臬: http://linux.vbird.org/linux_basic/0430cron.php, |" x6 [# o6 d! S7 D
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潸” 2015-9-22 22:11:29
嗉
鈭
霈
