Linux Foundation Certified System Administrator (LFCS) — Question 13

After modifying GNU GRUB's configuration file, which command must be run for the changes to take effect?

Answer options

• A. kill -HUP $(pidof grub)
• B. grub-install
• C. grub
• D. No action is required

Correct answer: D

Explanation

The correct answer is D because after modifying the GNU GRUB configuration file, the changes are automatically applied upon the next boot without needing to run any command. Options A, B, and C suggest actions that are not necessary for applying configuration changes in GRUB.