# Example of job definition:
# .---------------- minute (0 - 59)
# | .------------- hour (0 - 23)
# | | .---------- day of month (1 - 31)
# | | | .------- month (1 - 12) OR jan,feb,mar,apr ...
# | | | | .---- day of week (0 - 6) (Sunday=0 or 7) OR sun,mon,tue,wed,thu,fri,sat
# | | | | |
# * * * * * user-name command to be executed
# [minute] [hour] [day] [month] [week day] [command to be executed]
# * * * * *
# | | | | |
# | | | | +------ day of week (0-6) (Sunday=0)
# | | | |
# | | | +--------------- month (1-12)
# | | |
# | | +---------------------- day of month (1-31)
# | |
# | +----------------------------- hour (0-23)
# |
# +------------------------------------- min (0-59)
