Chapter 7 - Process Administration

Question 1

Where is the configuration file for cron and what must you do after running it?

Answer 1

/etc/sysconfig/cron and run suseconfig

Question 2

What does the sixth field in the crontab file designate?

Answer 2

The command you want to run

Question 3

What does a * specify if it is in the time/date fields?

Answer 3

Any time/date

Question 4

How can a user create their own crontab file?

Answer 4

crontab -e

Question 5

Crontab files can exist for?

Answer 5

The system, and users

Question 6

What does the following command do? crontab -l

Answer 6

List the current cron jobs

Question 7

What does the following command do? crontab –r

Answer 7

Deletes all cron jobs

Question 8

If neither an allow or deny cron file exists who will be able to define cron jobs?

Answer 8

Only root

Question 9

What file is used to specify system jobs?

Answer 9

/etc/crontab

Question 10

Identify two ways you can run an “at” job and which is the preferred method.

Answer 10

run at and enter your commands, or run at -f and specify a script file

Question 11

What is the process for deleting an “at” job?

Answer 11

atq to see the jobs, then atrm to delete the job

Question 12

How do you specify the time you want an “at” job to run?

Answer 12

at HH:mm