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My crontab is working even too much: today is the 21th (of november, 2015) and both of these lines gets executed. I really cannot figure out why.

* * 1 * 0,6 echo "test in dom" >> /opt/testweekend
* * * * 0,6 echo "test" >> /opt/testweekend

1 Answer 1

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Today, 21 Nov 2015, is a Saturday, so the second is clearly eligible to run. But the first is, also; the man page for crontab(5) says that

Note: The day of a command's execution can be specified in the following two fields — 'day of month', and 'day of week'. If both fields are restricted (i.e., do not contain the "*" character), the command will be run when either field matches the current time. For example, 30 4 1,15 * 5 would cause a command to be run at 4:30 am on the 1st and 15th of each month, plus every Friday.

Thus your first entry will run every minute of every Saturday and Sunday, and every minute of the first of every month.

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