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
# X( ~2 D* y$ Z$ F; ~. cyum install vixie-cron 撠勗臬鋆摰
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. A' x7 b* G2 I& r8 p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
# n% I5 }* |* ycrontab 澆憒銝嚗
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" `( i5 |0 o8 @: `+ A" ?30 12 * * * /usr/bin/rm xxx.txt8 u9 [2 p% k! Y% c0 |" a
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12:30 撠 xxx.txt 瑼獢畾箸, v: x7 b; k# y
* 銵函內瘥交瘥賢瑁 ` }" [3 {+ D Z
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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0 */2 * * * date
0 G$ A2 l0 k6 c' z, v # every two hours from 11p.m. to 7a.m., and at 8a.m.0 o4 Q |/ C1 k
0 23-7/2,8 * * * date E7 N, H8 q& B% P+ z! q5 @, A
2 @2 g. Q) e. F8 K- ^1 h6 r渲底蝝啣臬: http://linux.vbird.org/linux_basic/0430cron.php& v2 o. A e, e4 s$ K3 R2 n7 T9 ?
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潸” 2015-9-22 22:11:29
嗉
鈭
霈
