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package management?
Which of the following commands lists all currently installed packages when using RPM package management?A . yum --query --allB . yum --list --installedC . rpm --query --allD . rpm --list CinstalledView AnswerAnswer: C
In the vi editor, which of the following commands will copy the current line into the vi buffer?
In the vi editor, which of the following commands will copy the current line into the vi buffer?A . cB . ccC . 1cD . yyE . 1yView AnswerAnswer: D
Which SysV init configuration file should be modified to disable the ctrl-alt-delete key combination?
Which SysV init configuration file should be modified to disable the ctrl-alt-delete key combination?A . /etc/keysB . /proc/keysC . /etc/inittabD . /proc/inittabE . /etc/rebootView AnswerAnswer: C
What does this indicate?
The message "Hard Disk Error" is displayed on the screen during Stage 1 of the GRUB boot process. What does this indicate?A . The kernel was unable to execute /bin/initB . The next Stage cannot be read from the hard disk because GRUB was unable to determine the size and...
During a system boot cycle, what is the program that is run after the BIOS completes its tasks?
During a system boot cycle, what is the program that is run after the BIOS completes its tasks?A . The bootloaderB . The inetd programC . The init programD . The kernelView AnswerAnswer: A
Which of the following statements is correct regarding the command foo 1> bar?
Which of the following statements is correct regarding the command foo 1> bar?A . The stdout from the command foo is appended to the file bar.B . The stdout from the command foo overwrites the file bar.C . The command foo receives its stdin from the file bar.D . The...
Which of the following options is used in a GRUB Legacy configuration file to define the amount of time that the GRUB menu will be shown to the user?
Which of the following options is used in a GRUB Legacy configuration file to define the amount of time that the GRUB menu will be shown to the user?A . hidemenuB . splashC . timeoutD . showmenuView AnswerAnswer: C
Which of the following commands overwrites the bootloader located on /dev/sda without overwriting the partition table or any data following it?
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 files, located in the user home directory, is used to store the Bash history?
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 run levels should never be declared as the default run level when using SysV init? (Choose TWO correct answers.)
Which run levels should never be declared as the default run level when using SysV init? (Choose TWO correct answers.)A . 0B . 1C . 3D . 5E . 6View AnswerAnswer: A,E
