After modifying GNU GRUB's configuration file, which command must be run for the changes to take effect? A. kill -HUP $(pidof grub) B. grub-install C. grub D. No action is required

Which of the following options for the kernel's command line changes the systemd boot target to rescue.target instead of the default target?

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Which of the following kernel parameters instructs the kernel to suppress most boot messages? A. silent B. verbose=0 C. nomesg D. quiet

Which of the following commands will write a message to the terminals of all logged in users? A. bcast B. mesg C. print D. wall E. yell

Which command will display messages from the kernel that were output during the normal boot sequence?

What is the first program that is usually started, at boot time, by the Linux kernel when using SysV init? A. /lib/init.so B. /sbin/init C. /etc/rc.d/rcinit D. /proc/sys/kernel/init E. /boot/init

Which of the following commands brings a system running SysV init into a state in which it is safe to perform maintenance tasks? (Choose TWO correct answers.) A. shutdown -R 1 now B. shutdown -single...

What information can the lspci command display about the system hardware? (Choose THREE correct answers.) A. Device IRQ settings B. PCI bus speed C. System battery type D. Device vendor identificatio...

Which file in the /proc filesystem lists parameters passed from the bootloader to the kernel? (Specify the file name only without any path.)