New Release: Earn Rewards by referring new users! You can earn rewards redeemable for discounts on Vouchers and Memberships!

Free CompTIA Linux+ XK0-005 Practice Question

Which command demonstrates the correct use of the '||' operator in a shell script to execute a backup script only if the primary backup command fails?

  • /usr/local/bin/backup-fallback.sh || tar czf /backup/primary.tar.gz /data

  • tar czf /backup/primary.tar.gz /data || /usr/local/bin/backup-fallback.sh

  • tar czf /backup/primary.tar.gz /data && /usr/local/bin/backup-fallback.sh

  • tar czf /backup/primary.tar.gz /data | /usr/local/bin/backup-fallback.sh

This question's topic:
CompTIA Linux+ XK0-005 / 
Scripting, Containers, and Automation
Your Score:

Check or uncheck an objective to set which questions you will receive.

Wipe Score
Study for free by referring new users! Hide these
SAVE $45
CompTIA Linux+ Voucher (XK0-005)
$369.00 $324.00