Linux Study Guide 2026

Everything you need to pass the Linux exam in one place: the exam format, every topic to study, real practice questions with explanations, flashcards, and full-length practice tests. Free, no sign-up needed.

📋 Linux Exam Format at a Glance

Questions

90 min

Time Limit

72.00%

Passing Score

Take a Full Linux Exam Simulation →

📚 Linux Topics to Study (134)

See all 134 topics as flashcards →

✍️ Sample Linux Questions & Answers

1. Which line should appear at the very top of a bash script to specify the interpreter?

✓ #!/bin/bash

The shebang `#!/bin/bash` tells the kernel which interpreter to use when the script is executed directly.

2. Which `nftables` command lists all current rulesets?

✓ nft list ruleset

`nft list ruleset` displays the complete nftables configuration including all tables, chains, and rules.

3. Which IRQ number is traditionally assigned to the primary ATA/IDE controller on legacy x86 systems?

✓ 14

IRQ 14 is the traditional IRQ for the primary IDE/ATA controller on legacy x86 hardware.

4. What does `rpm -V package-name` do?

✓ Checks installed files against the RPM database

`rpm -V` (verify) compares the installed files of a package against metadata stored in the RPM database to detect changes.

5. What role does collaboration play in boot process for Linux professionals?

✓ It enhances outcomes through diverse perspectives and shared expertise

Collaboration leverages diverse perspectives and combined expertise to achieve better outcomes than any individual could alone.

6. Which command converts a physical partition to an LVM physical volume?

✓ pvcreate /dev/sdb1

pvcreate initializes a disk or partition as an LVM physical volume by writing LVM metadata to it.

🎯 Free Linux Practice Tests

Firewall and Network Security · 36 questions Advanced File System and Storage · 29 questions Test · 9 questions Test · 9 questions Firewall and Network Security · 7 questions Firewall and Network Security · 7 questions File System Navigation · 7 questions User Management · 7 questions Firewall and Network Security · 7 questions User Management · 7 questions

📖 Linux Guides & Articles

Your Linux Study Path

1. Learn with Flashcards → 2. Drill Practice Tests → 3. Take the Full Exam Simulation

🃏 Linux Flashcards (953)🏆 Linux Exam Simulation

What Practice Test Geeks adds beyond an AI chat for Linux

An AI chatbot can quiz you, but it can't reproduce the exam conditions or keep your record. Here you get:

A timed, full-length Linux mock exam — 90 questions in 90 minutes with a 72% pass mark, modeled on the official exam's question count and time limit, followed by a score report broken down by exam domain.
A fixed Linux question bank: the same test every attempt, so your score is comparable from one try to the next instead of changing with every regenerated quiz.
Progress saved on your device: completed tests, scores and missed questions stay in My Progress, so you can retake only what you got wrong.
A printable Linux cheat sheet you can print or save as a PDF.
Linux flashcards built from the same question bank.
Free Linux practice tests with the correct answer shown after each question.

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