The output of crontab -l contains the following job definitions:,
0 0,12 1 */4 * df -h /

@hourly du -h / >> /var/log/disk_usage

0 6 1-12 * * /usr/bin/testdome_candidates

Select the statements about the job definitions and schedules that are correct.

(Select all acceptable answers.)

The df command is executed at midday and midnight on the first day of every 4th month.
The df command is executed 12 times, each hour, between midday and midnight on the 1st of April.
The MAILTO variable tells cron to email the output of df -h / to and
Every hour of every day the current disk usage is appended to the /var/log/disk_usage log file.
The /usr/bin/testdome_candidates binary is executed at 6:00am every day.

Linux Administration Scheduling Public


Would you like to see our other questions?

We have 1000+ premium hand-crafted questions for 160+ job skills and 20+ coding languages. We prefer questions with small samples of actual work over academic problems or brain teasers.

Visit our question library
Private Concierge

Send us an email with an explanation of your testing needs and a list of candidates. We will create an appropriate test, invite your candidates, review their results, and send you a detailed report.

Contact Private Concierge

Would you like to see our tests? The following tests contain Linux Administration related questions:
On the TestDome Blog

Screening Applicants: The Good, the Bad and the Ugly

Since we’re all biased and we use incorrect proxies, why not just outsource hiring to experts or recruitment agencies? After all, they’ve been screening people for many years, so they must know how to do it right?

Not really. I was surprised to discover that many experts disagree with each other. Everybody praises their pet method and criticizes the others. Many of these methods look legitimate, but are based on...

Dashboard Start Trial Sign In Home Tour Tests Questions Pricing