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Worksheets

Cron

Total questions: 10

Worksheet time: 5mins

Name
Class
Date
1.

A Linux background process that can be started automatically at boot or by some criteria on the system is known as?

a)

Domain

b)

Demon

c)

Daemon

d)

Don

2.

Cron's table is known as this.

a)

crontab

b)

cron job

c)

Chrony

d)

tablec

3.

Which of the following commands will show you what is in the current user's cron table?

a)

cron -L

b)

crontab -l

c)

crontab -e

d)

cron -s

4.

What command will remove your cron table?

a)

rmcron

b)

crontab -r

c)

systemctl stop crond

d)

chron -Rf

5.

In the crontab file, when scheduling a task to run, what does the first column represent?

a)

Minutes

b)

Hours

c)

Days

d)

Months

6.

In the crontab file, when scheduling tasks, what does the last column (5th column) before the actual command represent?

a)

Minutes

b)

Days

c)

Months

d)

Day of Week

7.

In the crontab file, if I want a task to run on any of a particular column (minute, hour, day, month, or day of week) I would put this character in its column.

a)

$

b)

&

c)

@

d)

*

8.

What shortcut can be used to schedule a task to run once after rebooting?

a)

#poweron

b)

@reboot

c)

!start

d)

&boot

9.

Which of the following would make a task run between 5AM and 5PM if it were in the hours column?

a)

5-5

b)

5a-5p

c)

5-17

d)

5/5

10.

Which of the following would make a task run every 5 days if it were in the days column?

a)

5

b)

*/5

c)

5*

d)

*&5