20+ practice questions focused on Devices, Filesystems and FHS — one of the most tested topics on the Linux Professional Institute Certification Level 1 LPIC-1 exam. Each question includes a detailed explanation so you learn why the right answer is correct.
Start Devices, Filesystems and FHS PracticeWhich THREE directories are required to be directly under the root filesystem (/) according to the Filesystem Hierarchy Standard? (Choose exactly three.)
Explanation: According to the Filesystem Hierarchy Standard (FHS), the directories /bin, /sbin, and /var are required to be directly under the root filesystem. /bin contains essential user command binaries, /sbin contains system administration binaries, and /var contains variable data such as logs and databases. While /lib is also required, the question asks for exactly three options, and among the given choices, these three are the only ones that are both required and part of the set that must be directly under /.
Which TWO of the following are valid methods to specify a partition in /etc/fstab?
Explanation: UUID and LABEL are both valid identifiers for partitions in /etc/fstab. UUID uses the filesystem's universally unique identifier, while LABEL uses a human-readable name assigned to the filesystem. Both are persistent across reboots and preferred over device names like /dev/sda1, which can change.
According to the Filesystem Hierarchy Standard (FHS), in which directory should third-party static libraries be installed?
Explanation: According to the Filesystem Hierarchy Standard (FHS), third-party static libraries should be installed in directories dedicated to locally-installed software. /usr/local/lib is for libraries that support site-specific software managed by the local administrator. /opt/lib is for libraries that are part of add-on application packages (such as those in /opt). These directories are intended for third-party static libraries that are not part of the core operating system's package management. /usr/lib (D) is reserved for libraries from the distribution's package manager, and /lib (A) is for libraries required for booting and core system functionality.
A system administrator wants to mount a USB flash drive formatted with the ext4 filesystem. The device is detected as /dev/sdc1. Which command should be used to mount the device to /mnt/usb?
Explanation: The standard mount syntax is `mount [options] <device> <mountpoint>`. For ext4 filesystems, the kernel auto-detects the type, so the `-t ext4` option is unnecessary. While option D is syntactically valid, it is considered incorrect here because it includes an extraneous `-t ext4` flag; the question expects the simplest and most straightforward command. Option A is incorrect because `-a` mounts all filesystems listed in /etc/fstab, not a specific device. Option B is incorrect because the arguments are reversed (device must come before the mount point). Therefore, the command that correctly mounts /dev/sdc1 to /mnt/usb is `mount /dev/sdc1 /mnt/usb`.
A Linux system has two SATA disks: /dev/sda (250GB) and /dev/sdb (500GB). The administrator wants to create a logical volume group named 'vgdata' using partitions on both disks, then create a 600GB logical volume named 'lvdata' for a database. Which sequence of commands should be used?
Explanation: It follows the proper LVM sequence: first create physical volumes (PVs) on partitions /dev/sda1 and /dev/sdb1 (the partitions on the two disks given in the scenario), then create the volume group 'vgdata' from those PVs using vgcreate, and finally create the logical volume 'lvdata' with a size of 600GB using lvcreate. This order ensures that the PVs exist before the VG is created, and the VG exists before the LV is created. Only option C uses the correct device names that match the system's disks (/dev/sda and /dev/sdb).
+15 more Devices, Filesystems and FHS questions available
Practice all Devices, Filesystems and FHS questions1. Baseline your knowledge
Start with 10 questions to gauge your current understanding of Devices, Filesystems and FHS. This tells you whether you need a concept refresher or just practice.
2. Review every explanation
For each question — right or wrong — read the full explanation. Understanding why an answer is correct is more valuable than knowing the answer itself.
3. Focus on exam traps
Devices, Filesystems and FHS questions on the LPIC-1 frequently use trap wording. Look for subtle differences in answers that test your precision, not just general knowledge.
4. Reach 80% consistently
Do repeated sessions until you score 80%+ three times in a row. Then move to mixed-mode practice to test cross-topic recall under realistic conditions.
The exact number varies per candidate. Devices, Filesystems and FHS is tested as part of the Linux Professional Institute Certification Level 1 LPIC-1 blueprint. Practicing with targeted Devices, Filesystems and FHS questions ensures you can handle any format or difficulty that appears.
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Difficulty is subjective, but Devices, Filesystems and FHS is a high-priority exam concept tested in multiple ways — direct recall, scenario analysis, and command-output interpretation. Consistent practice is the best way to build confidence.
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