Creating a hard link to an ordinary file returns an error. What could be the reason for this?
Which command is used to start another command with a given nice level? (Specify ONLY the command without any path or parameters.)
Which SysV init configuration file should be modified to disable the ctrl-alt-delete key combination?
Which of the following commands reboots the system when using SysV init? (Choose TWO correct answers.)
Which of the following options for the kernel's command line changes the systemd boot target to rescue.target instead of the default target?
During a system boot cycle, what program is executed after the BIOS completes its tasks?
Which file in the /proc filesystem lists parameters passed from the bootloader to the kernel? (Specify the file name only without any path.)