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Linux System Architecture & Installation Flashcards

7 cards from real 010-160 practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.

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  1. What does the acronym BIOS stand for?

    Answer: Basic Input/Output System

    BIOS stands for Basic Input/Output System — firmware that initializes hardware before handing control to the bootloader.

  2. Which command displays block devices (disks and partitions) in a tree format showing mount points?

    Answer: lsblk

    lsblk lists block devices in a tree structure, showing device names, sizes, types, and mount points.

  3. In the Linux Filesystem Hierarchy Standard (FHS), which directory holds essential system binaries needed for single-user/rescue mode?

    Answer: /bin

    /bin contains essential user-space binaries (like ls, cp, bash) that must be available even when /usr is not mounted.

  4. What kernel parameter would you add to the GRUB boot line to boot into single-user (rescue) mode?

    Answer: single

    Appending 'single' to the kernel command line tells init to start in single-user mode (runlevel 1).

  5. Which tool creates a new filesystem (formats a partition) in Linux?

    Answer: mkfs

    mkfs (make filesystem) creates a new filesystem on a partition or disk device, e.g., mkfs.ext4 /dev/sdb1.

  6. What is a 'swap partition' used for in Linux?

    Answer: Extension of RAM using disk space when physical memory is exhausted

    Swap space allows the kernel to move inactive memory pages to disk, effectively extending available RAM.

  7. Which directory contains device files that represent hardware devices as files in Linux?

    Answer: /dev

    /dev contains special device files (block and character devices) that represent hardware such as disks, terminals, and random number generators.