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Category: all - (15 questions) Purpose of cron schedule tasks to run periodically in the future, can be daily, monthly, etc.

Version of cron designed for systems that anacron aren't up 24x7

What tells cron when to run tasks crontab entries that are stored in cron schedule

Command used to schedule one- at processes that need to run at some point in future

What is the format of each entry in crontab mins hrs day-of-month month weekday command

What is the syntax for a crontab entry to run 0,15,30,45 * * * * cmd cmd every 15 minutes entries can be comma separated

What is crontab syntax to run cmd on the 1st 30 3 1-15 * * cmd day of month through 15th day at 3:30 am

What directories in /etc are provided to cron.daily creating daily, hourly, monthly, and weekly cron.hourly tasks easier on some systems cron.monthly cron.weekly

How do you upload a schedule to crontab create a file with the crontab entries then system run: crontab filename it will overwrite any existing entries

How do you get a list of current crontab crontab -l entries How do you remove all current crontab crontab -r entries

How do you edit current crontab entries crontab -e directly

How can you see what jobs have been atq (at queue) scheduled with command at

Command to remove a command that has atrm been scheduled with at

Command that simply waits a set amount of sleep seconds time