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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5 H8 V% _6 ?; u2 M: v! C6 S. j* q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 6 K+ }9 j+ S( p. |9 S1 ^" s
yum install vixie-cron 撠勗臬鋆摰
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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
1 j) i) H ]0 y: a% P' R( t: H( wcrontab 澆憒銝嚗
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$ Z! \$ @# e% w: K 閬瑁隞
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9 D! d& }' G, {" J1 B, @' X/ s5 N 12:30 撠 xxx.txt 瑼獢畾箸. U' B+ L7 X) \4 C* j3 N. `& p
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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( m9 x# d. Z* \
靘:# every two hours at the top of the hour
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5 b+ `, B; x3 _: b' O6 a7 e # every two hours from 11p.m. to 7a.m., and at 8a.m.% G2 D- s4 ~5 E, Y( U& Y
0 23-7/2,8 * * * date
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渲底蝝啣臬: http://linux.vbird.org/linux_basic/0430cron.php' c5 ?1 W' ?3 ]! L1 t
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潸” 2015-9-22 22:11:29
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鈭
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