IST 191 Test 1 Ch 2

What is Field 7 of the cron job entry in the /etc/crontab file?

Command

What is Field 1 of the cron job entry in the /etc/crontab file?

Minutes

Crond is controlled by multiple _______ files, one per user and systemwide files

user

Administrators can also use this location to more easily group related jobs into a single file, or to push jobs using a configuration management system.

/etc/cron.d/

The crontab system also includes repositories for scripts that need to run every hour, day, week, and month. The directory for scripts that need to run daily is:

/etc/cron.daily/

Recurring system jobs are defined in two locations: ___________ and __________

/etc/crontab, /etc/cron.d/

How many queues does the atd daemon provide?

26

Enter the command to create a cron job for the user Aaron which will execute a script at /home/Aaron/bin/big_deal_process.sh every Monday and Thursday at 4:47 PM.

47 16 * * Mon,Thurs Aaron /home/Aaron/bin/big_deal_process.sh

How do you specify for a job to run at 5 pm on October 3, 2021?

5pm October 3, 2021

What is Field 3 of the cron job entry in the /etc/crontab file?

Day-of-Month

What is Field 5 of the cron job entry in the /etc/crontab file?

Day-of-Week

What is Field 2 of the cron job entry in the /etc/crontab file?

Hours

What is Field 4 of the cron job entry in the /etc/crontab file?

Month

The __________ <JOBNUMBER> command will remove a scheduled job.

atrm

What is Field 6 of the cron job entry in the /etc/crontab file?

User-Name

A new job can be scheduled by using the command: _____<TIMESPEC>

at

Enter the atd command to run a job at midnight.

at 12 AM

Enter the atd command to run a job at eight o'clock on Monday.

at 8 AM Mon

The ______ daemon does not use configuration files.

atd

The crond daemon is used to run a job on a recurring schedule while the _____ daemon is used to run a job once in the future.

atd

To get an overview of the pending jobs for your user, use the command __________or, alternatively, the alias at -l.

atq

The crond ______ files give users and administrators control over exactly when their jobs should be executed.

configuration

The ______ daemon is shipped with Red Hat Linux systems.

crond

Crond User files are edited with the _________ command

crontab

Normal users can use the ______ command to manage their jobs.

crontab

What is the crontab command to list the jobs for the current user?

crontab -1

What is the crontab command to edit jobs for the current user?

crontab -e

What is the crontab command to remove all jobs for the current users.

crontab -r

What is the crontab command to remove all jobs and replace with the jobs read from <filename>. If no file is specified, stdin will be used.

crontab <filename>

What do you enter to end an atd command

ctrl+d

The directories for jobs that need to run periodically contain ______________ shell scripts, not crontab files.

executable

How do you specify for a job to run at noon four days from now

noon +4 days

How do you specify for a job to run 5 minutes from now

now +5min

How do you specify for a job to run tomorrow at teatime

teatime tomorrow