#      
#      r----minute (0-59)                           -1 = each (*)
#      |    r-----hour (0-23) 25 for disable
#      |    |    r------day of the month (1-31)
#      |    |    |    r------month (1-12)
#      |    |    |    |    r------day of the week (1-7 monday=1)
#      |    |    |    |    |      r------ command to run ------------->
#      |    |    |    |    |      |
#      |    |    |    |    |      |