cron

NAME
æ»è§
æè¿°
å¦è§
ä½è
[ä¸æçç»´æ¤äºº]
[ä¸æçææ°æ´æ°]
ãä¸å½linux论åmanæåç¿»è¯è®¡åã:
è·

---

NAME

cron - å®ææ§è¡æå®å½ä»¤çå®æ¤ç¨åº (Vixie Cron)

æ»è§

cron

æè¿°

Cron åºè¯¥ç± /etc/rc æè /etc/rc.local å¯å¨ï¼è¯æ³¨ï¼æå¾å¤åè¡çä¸æ- ¤ä¸åçï¼å¦ RedHat6.x ä½¿ç¨ /etc/rc.d/init.d/crond ï¼ãç³»ç»ä¼ç«å³è¿åæ示符ç¶æï¼å æ¤æ²¡æå¿è¦åç¼ ’&’ æ¥å¯å¨ã Cron å¨ç®å½ /var/spool/cron ä¸æ索以 /etc/passwd ä¸è´¦æ·åå½åç crontab æ件ï¼å°æ¾å°çæ件å容å è½½å°ååä¸ã Cron è¿æç´¢ /etc/crontab åç®å½ /etc/cron.d/ ä¸çæ件ï¼ä½è¿äºæ件使ç¨å¦å¤çæ ¼å¼ãï¼è§ crontab(5) ï¼ã Cron å¹³æ¶åºäºä¼ç ç¶æï¼æ¯åééæ¥ä¸æ¬¡ï¼æ£æ¥ææå¨åç crontab æ件ï¼æ£æ¥å¶ä¸- çæ¯ä¸æ¡å½ä»¤å¹¶éæ¶æ§è¡ãæ§è¡å½ä»¤æ¶ï¼ä»»ä½è¾åºéè¿é®ä»¶åå¾ crontab çæ¥æèï¼å¦æ crontab ä¸è®¾ç½®äº MAILTO ç¯å¢åéï¼å°±åå¾æ¤åéææçç¨æ·ï¼ã

å¦å¤, cron æ¯åéæ£æ¥å®ç spool ç®å½ä»¥å /etc/crontab) ç modtime ãè¯æ³¨ï¼å³æ件çææ°ä¿®æ¹æ¶é´ï¼å¨æ件系ç»ç i-node ä¸ä»¥ mtime æ è®°ãï¼å¦æåçååï¼ cron å°æ£æ¥ææ crontab æ件ç modtime ï¼å¹¶éæ°å è½½å·²æ¹åçãè¿æå³çå³ä½¿ä¿®æ¹ crontab æ件ä¹æ²¡æå¿è¦éæ°å¯å¨ cron å®æ¤ç¨åºã注æå½ Crontab(1) å½ä»¤æ¹å crontab æ¶ä¼å·æ° spool ç®å½ç modtime æ è®°ã

å¦è§

crontab(1), crontab(5)

ä½è

Paul Vixie

[ä¸æçç»´æ¤äºº]

Wang Dong <wangdong@163.net>

[ä¸æçææ°æ´æ°]

2000å¹´12æ23æ¥

ãä¸å½linux论åmanæåç¿»è¯è®¡åã:

http://cmpp.linuxforum.net

è·

æ¬é¡µé¢ä¸æçç±ä¸æ man æå页计åæä¾ã
ä¸æ man æå页计åï¼https://github.com/man-pages-zh/manpages-zh

---