101-400 Sample Questions Answers

Which of the following commands will display the inode usage of each mounted filesystem?

When using rpm --verify to check files created during the installation of RPM packages, which of the following information is taken into consideration? (Choose THREE correct answers.)

Which of the following commands can be used to download the RPM package kernel without installing it?

Which of the following shell commands makes the already defined variable TEST visible to new child processes? (Choose two.)

Which of the following statements describes a difference between GNU GRUB Legacy and GRUB 2?

In the vi editor, what vi command will copy (but not paste) from the current line at the cursor and the following 16 lines (17 lines total)? Specify the correct vi command without spaces.

Which signal is sent by the kill command by default?

Which option to the tee command will cause the output to be concatenated on the end of the output file instead of overwriting the existing file contents?

Which of the following commands will load a kernel module along with any required dependency modules?

After running the command umount /mnt, the following error message is displayed:

umount: /mnt: device is busy.

What is a common reason for this message?

Which of the following examples for Bash file globbing matches a file named root-can-do-this.txt when used in the directory holding that file? (Choose three correct answers.)

Which of the following commands will write a message to the terminals of all logged in users?

In Bash, inserting 1>&2 after a command redirects

Which of the following commands will print the last 10 lines of a text file to the standard output?

Which of the following commands will reduce all consecutive spaces down to a single space?

Which character, added to the end of a command, runs that command in the background as a child process of the current shell?

Which grep command will print only the lines that do not end with a / in the file foo?

Which of the following commands determines the type of a file by using a definition database file which contains information about all common file types?

What is the default action of the split command on an input file?

What is the output of the following command?

echo "Hello World" | tr -d aieou

Which of the following commands will send output from the program myapp to both standard output (stdout) and the file file1.log?

In compliance with the FHS, in which of the directories are man pages found?

What is the maximum niceness value that a regular user can assign to a process with the nice command when executing a new process?

Which of the following commands replaces each occurrence of 'bob' in the file letter with 'Bob' and writes the result to the file newletter?

When using regular expressions, which of the following characters match the beginning of a line?

In Bash, inserting 2>&1 after a command redirects:

Which utility would be used to change how often a filesystem check is performed on an ext2 filesystem without losing any data stored on that filesystem?

Which of the following environment variables overrides or extends the list of directories holding shared libraries?

Which function key is used to start Safe Mode in Windows NT?

Which world-writable directory should be placed on a separate partition in order to prevent users from being able to fill up the / filesystem? (Specify the full path to the directory.)

Which of the following commands overwrites the bootloader located on /dev/sda without overwriting the partition table or any data following it?

After modifying GNU GRUB's configuration file, which command must be run for the changes to take effect?

In which directory must definition files be placed to add additional repositories to yum?

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 commands lists all currently installed packages when using RPM package management?

Which Debian package management tool asks the configuration questions for a specific already installed package just as if the package were being installed for the first time? (Specify ONLY the command without any path or parameters.)

Which RPM command will output the name of the package which supplied the file /etc/exports?

Which file should be edited to select the network locations from which Debian installation package files are loaded?

Which of the following shell redirections will write standard output and standard error output to a file named filename?

Which signal is missing from the following command that is commonly used to instruct a daemon to reinitialize itself, including reading configuration files?

killall -s _______ daemon

Which of the following are init systems used within Linux systems? (Choose THREE correct answers.)

Which of the following information is stored within the BIOS? (Choose TWO correct answers.)

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

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.)

Which run levels should never be declared as the default run level when using SysV init? (Choose TWO correct answers.)

What information can the lspci command display about the system hardware? (Choose THREE 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?

Which of the following statements is correct when talking about /proc/?

During a system boot cycle, what program is executed after the BIOS completes its tasks?

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