LPIC-1 exam 101 topics: hardware settings, boot, runlevels and targets, partitioning, and dpkg, apt, rpm and yum package tools.
40 cards · basic cards · AI-written, checked twice. Edit anything.
- What is BIOS?
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Firmware that runs before the operating system; initializes hardware and loads the bootloader.- How does UEFI differ from BIOS?
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UEFI is newer firmware with graphical interface, supports disks over 2 TB via GPT, provides secure boot, and runs in a limited environment before the OS.- What does POST (Power-On Self Test) do?
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Tests hardware components when the computer starts to ensure they are functioning correctly.- What information does CMOS store?
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System settings such as date, time, hardware configuration, and boot order.- What is a bootloader?
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A small program that loads the kernel into memory and starts the operating system.- What is the purpose of initramfs?
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A temporary filesystem loaded by the bootloader that contains drivers and tools needed to mount the root filesystem.- What does runlevel 0 do?
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Shuts down the system and powers it off.- What does runlevel 1 indicate?
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Single-user mode; boots with minimal services, used for maintenance and recovery.- What is runlevel 2 in Debian systems?
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Multi-user mode with networking; the default normal operating mode on Debian systems.- What does runlevel 3 do?
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Multi-user mode with networking and all services; typically used for server systems.- What does runlevel 5 do?
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Multi-user mode with networking and a graphical login interface (X11 or Wayland).- What does runlevel 6 do?
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Reboots the system.- How do you check the current runlevel?
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Use the runlevel command or who -r command.- What concept replaces runlevels in systemd?
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Targets; they group units and define system states.- What is the default systemd target on a desktop system?
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graphical.target; provides a graphical login environment.
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