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    <p>The format for the CRON Jobs is:</p> <pre><code>minute hour dom month dow user cmd </code></pre> <hr> <p><strong>minute</strong> This controls what minute of the hour the command will run on, and is between '0' and '59'</p> <hr> <p><strong>hour</strong> This controls what hour the command will run on, and is specified in the 24 hour clock, values must be between 0 and 23 (0 is midnight)</p> <hr> <p><strong>dom</strong> This is the Day of Month, that you want the command run on, e.g. to run a command on the 19th of each month, the dom would be 19.</p> <hr> <p><strong>month</strong> This is the month a specified command will run on, it may be specified numerically (0-12), or as the name of the month (e.g. May)</p> <hr> <p><strong>dow</strong> This is the Day of Week that you want a command to be run on, it can also be numeric (0-7) or as the name of the day (e.g. sun).</p> <hr> <p><strong>user</strong> This is the user who runs the command.</p> <hr> <p><strong>cmd</strong> This is the command that you want run. This field may contain multiple words or spaces.</p> <hr> <p>If you don't wish to specify a value for a field, just place a * in the field.</p> <hr> <p>Here is an example of how a crontab is setup.</p> <pre><code>01 * * * * root echo "This command is run at one min past every hour" 17 8 * * * root echo "This command is run daily at 8:17 am" 17 20 * * * root echo "This command is run daily at 8:17 pm" 00 4 * * 0 root echo "This command is run at 4 am every Sunday" * 4 * * Sun root echo "So is this" 42 4 1 * * root echo "This command is run 4:42 am every 1st of the month" 01 * 19 07 * root echo "This command is run hourly on the 19th of July" </code></pre>
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