This LPIC-1 practice question tests your understanding of linux installation and package management. This is a configuration task: choose the command set that satisfies every stated requirement. Small differences — like 'secret' vs 'password' or 'transport input ssh' vs 'all' — change whether the answer is correct. After answering, compare your reasoning against the explanation and wrong-answer breakdown below. Once you have made your selection, read the full explanation to reinforce the concept and understand why each distractor is designed to mislead on exam day.
During system startup, GRUB 2 displays a prompt. Which command should be typed at the GRUB prompt to boot the currently selected entry normally?
Clue words in this question
Noticing these words before you look at the options changes how you read each choice.
Clue: "which command"
Why it matters: Tests specific CLI syntax. Recall the exact command and its required context — near-synonyms and partial matches are common distractors.
normal
Why wrong: This is not a valid GRUB command.
linux
Why wrong: This command loads a kernel, but does not boot it; 'boot' is needed after.
initrd
Why wrong: This loads the initial ramdisk, but does not boot.
boot
This command boots the already loaded kernel image.
Answer choices
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
boot
At the GRUB 2 prompt, the 'boot' command instructs GRUB to load the operating system using the currently configured kernel, initrd, and root device settings. This is the standard way to proceed with normal booting after any manual adjustments or when the menu is not displayed. Without 'boot', GRUB remains at the prompt and does not transfer control to the kernel.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
For each option: why learners choose it and why it is or isn't the right answer here.
normal
Why it's wrong here
This is not a valid GRUB command.
linux
Why it's wrong here
This command loads a kernel, but does not boot it; 'boot' is needed after.
initrd
Why it's wrong here
This loads the initial ramdisk, but does not boot.
boot
Why this is correct
This command boots the already loaded kernel image.
Clue confirmation
The clue word "which command" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
Common exam traps
The trap here is that candidates confuse the 'boot' command with the 'linux' or 'initrd' commands, thinking those alone start the boot process, when in fact they only load components and must be followed by 'boot' to execute the actual boot.
Trap categories for this question
Command / output trap
This is not a valid GRUB command.
Detailed technical explanation
GRUB 2's 'boot' command triggers the multiboot protocol or the native kernel boot protocol, passing control to the kernel entry point with the configured command-line parameters. In a real-world scenario, if the GRUB menu fails to appear due to a misconfiguration (e.g., missing 'normal' module), you can manually set the root, kernel, and initrd, then type 'boot' to start the system. The 'boot' command is essential because GRUB operates in a staged loader environment where no action is taken until explicitly commanded.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
A practitioner preparing for the LPIC-1 exam encounters this exact type of scenario on the job. The correct answer here is not the most general option — it is the best answer for the specific constraint described. Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option. Real exam questions reward reading the full scenario before eliminating options, because the constraint defines which answer fits.
What to study next
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FAQ
Linux Installation and Package Management — This question tests Linux Installation and Package Management — Read the scenario before looking for a memorised answer..
The correct answer is: boot — At the GRUB 2 prompt, the 'boot' command instructs GRUB to load the operating system using the currently configured kernel, initrd, and root device settings. This is the standard way to proceed with normal booting after any manual adjustments or when the menu is not displayed. Without 'boot', GRUB remains at the prompt and does not transfer control to the kernel.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
Yes — watch for: "which command". Tests specific CLI syntax. Recall the exact command and its required context — near-synonyms and partial matches are common distractors.
Read the scenario before looking for a memorised answer.
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Last reviewed: Jun 25, 2026
This LPIC-1 practice question is part of Courseiva's free LPI certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the LPIC-1 exam.
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