https://gunkies.org/index.php?action=history&feed=atom&title=32v_1m_cron 2026-05-10T16:28:00Z Revision history for this page on the wiki MediaWiki 1.30.1 https://gunkies.org/w/index.php?title=32v_1m_cron&diff=6946&oldid=prev 2009-10-26T13:35:40Z

<p>New page: CRON(1M) UNIX Programmer&#039;s Manual CRON(1M) == NAME == cron - clock daemon == SYNOPSIS == /etc/cron == DESCRIPTION == _C_r_o_n executes commands a...</p> <p><b>New page</b></p><div>CRON(1M) UNIX Programmer's Manual CRON(1M)<br /> <br /> <br /> <br /> == NAME ==<br /> cron - clock daemon<br /> <br /> == SYNOPSIS ==<br /> /etc/cron<br /> <br /> == DESCRIPTION ==<br /> _C_r_o_n executes commands at specified dates and times accord-<br /> ing to the instructions in the file /usr/lib/crontab. Since<br /> _c_r_o_n never exits, it should only be executed once. This is<br /> best done by running _c_r_o_n from the initialization process<br /> through the file /etc/rc; see _i_n_i_t(8).<br /> <br /> Crontab consists of lines of six fields each. The fields<br /> are separated by spaces or tabs. The first five are integer<br /> patterns to specify the minute (0-59), hour (0-23), day of<br /> the month (1-31), month of the year (1-12), and day of the<br /> week (1-7 with 1=monday). Each of these patterns may con-<br /> tain a number in the range above; two numbers separated by a<br /> minus meaning a range inclusive; a list of numbers separated<br /> by commas meaning any of the numbers; or an asterisk meaning<br /> all legal values. The sixth field is a string that is exe-<br /> cuted by the Shell at the specified times. A percent char-<br /> acter in this field is translated to a new-line character.<br /> Only the first line (up to a % or end of line) of the com-<br /> mand field is executed by the Shell. The other lines are<br /> made available to the command as standard input.<br /> <br /> Crontab is examined by _c_r_o_n every minute.<br /> <br /> == FILES ==<br /> /usr/lib/crontab<br /> <br /> <br /> [[Category:32v man section 1]]</div>

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