a quick crontab howto

A Quick Using Crontab HowTo

Crontab -e

* * * * * <command></command> | | | | | | | | | +----- Day of week(0-6, 0 = Sun) | | | +------- Month (1-12) | | +--------- Day of month (1-31) | +----------- Hour (0-23) +------------- Min (0-59)

examples

0 1 * * 1,2,3 /opt/bin/script1.sh
0 1 * * 1-3 /opt/bin/script1.sh

Both options will run the script at 01:00 on Mon, Tue and Wed.

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