Scheduling

Question 1

What is the command to view cron jobs for the current user?

Answer 1

crontab -l

Question 2

What is the command to create a cron job for the current user?

Answer 2

crontab -e

Question 3

What is the syntax structure for editing a cron job?

Answer 3

(m) (h) (day) (month) (wd) (cmd)
can specify ranges i.e:
*(all) 1-10 1,2,4 1-12/2 (every 2nd integer)

Question 4

Where are user specific cron tabs located?

Answer 4

/var/spool/cron

/var/spool/cron/crontab

Question 5

Where are system wide cron tabs located?

Answer 5

Edit:

/etc/crontab

Question 6

How do you whitelist users to restrict cron jobs?

Answer 6

Create file /etc/cron.allow

with whitelisted users

Question 7

What is the command to edit the local crontab of another user?

Answer 7

crontab -e -u