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
📚 Linux Topics to Study (86)
✍️ Sample Linux Questions & Answers
1. Which IRQ number is traditionally assigned to the primary ATA/IDE controller on legacy x86 systems?
IRQ 14 is the traditional IRQ for the primary IDE/ATA controller on legacy x86 hardware.
2. What role does collaboration play in boot process for Linux professionals?
Collaboration leverages diverse perspectives and combined expertise to achieve better outcomes than any individual could alone.
3. Which command converts a physical partition to an LVM physical volume?
pvcreate initializes a disk or partition as an LVM physical volume by writing LVM metadata to it.
4. What is the purpose of swap space in Linux?
Swap extends the system's virtual memory by using disk space, and is used to store the contents of RAM during hibernation (suspend-to-disk).
5. What does `sed -n '5,10p'` do when applied to a file?
sed -n suppresses automatic printing, and '5,10p' explicitly prints only lines 5 through 10.
6. A Linux administrator needs to view which I/O ports are currently in use by the kernel. Which file provides this information?
/proc/ioports lists the I/O port ranges currently allocated to kernel devices.