I thought some cron info may be handy... you usually control cron from the crontab command with one of 3 options: crontab -e -- edit the crontab file for the invoking user crontab -l -- list the contents of your current crontab file crontab -r -- remove your current crontab file the options are: crontab [filename] or crontab [-elr] [username] (omitting the username defaults to the current user) A crontab file consists of lines of six fields each. The fields are separated by spaces or tabs. The first five are integer patterns that specify the following: minute (0-59), hour (0-23), day of the month (1-31), month of the year (1-12), day of the week (0-6 with 0=Sunday). Each of these patterns may be either an asterisk (meaning all legal values) or a list of elements separated by commas. so an example would be: 15 7 * * 1-5 java BatchMailer emails.txt msg.txt firstname.lastname@example.org which would mean: execute the command specified (send some emails) on days 1-5 (monday to friday) at 7:15 am regardless of the day or month. or another example... 0 12 25 12 * mail george < xmas.txt would mean 'mail that xmas greeting to george on Dec 25th at midday' Any line containing a '#' character is a comment to the end of the line. The actual files that cron uses will vary slightly between unix flavours. For example, under linux the files might sit in /var/cron/tabs. But they would sit in /var/spool/cron/crontabs under Solaris. [This message has been edited by George Brown (edited November 21, 2000).]
What is that? Is that a mongol hoarde? Can we fend them off with this tiny ad?
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