Learn Linux Shell Scripting - Fundamentals of Bash 4.4

Chapter 14

1. What is scheduling? Scheduling allows us to define when and how a script should run, without the need for the user to be interactive at that time.
2. What do we mean with ad-hoc scheduling? Ad-hoc scheduling, which we normally do with at on Linux, is scheduling that is not periodically repeated, but often a one-time job at a fixed time.
3. Where does the output of commands run with at normally go? By default, at tries to use sendmail to send a local mail to the user who owns the queue/job. If sendmail is not installed, the output is gone.
4. How is scheduling for the cron daemon most often implemented? As a user-bound crontab.
5. Which commands allows you to edit your personal crontab? The command crontab -e. Furthermore, you can list the ...