1. Configuration of udev devices is done by working with files in which directory?

  • /udev/devices
  • /devices/
  • /udev/config
  • /etc/udev

2. Which command can be used to reboot a system?

  • init 6
  • shutdown -h -t now
  • init 1
  • refresh-system

3. Which of the following commands, executed from within the UEFI shell, controls the boot configuration?

  • bootcfg
  • bcfg
  • grub-install
  • grcfg

4. During the initialization process for a Linux system using SysV init, which runlevel corresponds to single-user mode?

  • Runlevel 5
  • Runlevel SU
  • Runlevel 1
  • Runlevel 6

5. Within which folder are systemd unit configuration files stored?

  • /etc/system.conf.d
  • /lib/system.conf.d
  • /lib/systemd/system
  • /etc/sysconfd

Q1: Which option signifies the default runlevel specified in /etc/inittab?
    
    default
    optionboot
    initdefault
    initlevel

Q2: What is the default runlevel for the single-user mode?

    Runlevel 6
    Runlevel 3
    Runlevel 1
    Runlevel 2

Q3: Which command brings the system down immediately?

    halt
    shutdown -P 0
    /etc/init.d stop
    halt-system

Q4: How do you identify the run level at which the system is operating?

    show-init
    runlevel
    init-lvl
    runlevel-list
   
Q5: Udev rules files are located in which directory?

    /etc/udev.cfg
    /etc/udev/rules.d
    /etc/udev.cfg.d
    /etc/udev.config

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