NEW YORK, Aug 18- Oil prices rose for a sixth straight day, with Brent crude touching a six-week high above $50 a barrel on Thursday as the world's biggest producers prepared to discuss a possible freeze in production levels.
Linux Cron utility is an effective way to schedule a routine background job at a specific time and/or day on an on-going basis. This article is part of the on-going Productivity Tips For Geeks series. In this article, let us review 15 awesome examples of crontab job scheduling.
1 Press 'i' to insert text.  The crontab comprises five entries indicating the schedule time, and also the name and path of the program to be run. Use a space or a tab between each entry: minute(0-59) hour(0-23) day_of_month(1-31) month(1-12) day_of_week(0-7) /path/script.sh. You can replace a field value with *.