Scheduling future Linux tasks

Question 1

What is * used for?

Answer 1

Used as “everyday” inside the crontab

Question 2

Create a sample crontab entry.

Answer 2

22 13 * 3 * echo “First entry” > crontab-entry

22=minute
13=hour
*=day
3=month
*=day of the week
echo “first entry” > crontab-entry=command

Question 3

When is at used?

Answer 3

One time basis (ADHOC) - as needed