101-500

What is the default nice level when a process is started using the nice command?A . -10B . 10C . 20D . 0View AnswerAnswer: B

Which of the following options for the kernel's command line changes the systemd boot target to rescue.target instead of the default target?A . systemd.target=rescue.targetB . systemd.runlevel=rescue.targetC . systemd.service=rescue.targetD . systemd.default=rescue.targetE . systemd.unit=rescue.targetView AnswerAnswer: E

What is the first program that is usually started, at boot time, by the Linux kernel when using SysV init?A . /lib/init.soB . /sbin/initC . /etc/rc.d/rcinitD . /proc/sys/kernel/initE . /boot/initView AnswerAnswer: B

A user accidentally created the subdirectory dir in his home directory. Which of the following commands will remove that directory?A . rmdir '~/dir'B . rmdir "~/dir"C . rmdir ~/'dir'D . rmdir ~/dirE . rmdir ~/\dirView AnswerAnswer: E

Which of the following commands overwrites the bootloader located on /dev/sda without overwriting the partition table or any data following it?A . dd if=/dev/zero of=/dev/sda bs=512B . dd if=/dev/zero of=/dev/sda bs=512 count=1C . dd if=/dev/zero of=/dev/sda bs=440 count=1D . dd if=/dev/zero of=/dev/sda bs=440View AnswerAnswer: C

Which of the following commands displays the contents of a gzip compressed tar archive?A . gzip archive.tgz | tar xvf ­B . tar ztf archive.tgzC . gzip -d archive.tgz | tar tvf ­D . tar cf archive.tgzView AnswerAnswer: B

CORRECT TEXT Which command will disable swapping on a device? (Specify ONLY the command without any path or parameters.)View AnswerAnswer: swapoff, /sbin/swapoff

Which of the following files, located in the user home directory, is used to store the Bash history?A . .bash_historyB . .bash_histfileC . .historyD . .bashrc_historyE . .history_bashView AnswerAnswer: A

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 nowB . shutdown -single nowC . init 1D . telinit 1E . runlevel 1View AnswerAnswer: C,D

CORRECT TEXT Which command is used in a Linux environment to create a new directory? (Specify ONLY the command without any path or parameters.)View AnswerAnswer: mkdir, /usr/bin/mkdir