Answers.
Which of the following, also known as a wildcard, refers to any character provided on the
command line that represents a portion of a filename? - Correct Answer File glob
When a user starts a new shell after initially logging in to the system, it is referred to as a .
- Correct Answer non-login shell
Which option for the "cp" shell command copies an entire directory structure? - Correct
Answer -r
Which of the following refers to a shell feature that allows a collection of commands to be
executed by issuing a single command? - Correct Answer alias
To execute a sequence of shell commands, separate each command with a (_____) and
press the Enter key after the last command has been entered. - Correct Answer
semicolon ;
Which of the following commands is used to delete the current line in the vi editor? -
Correct Answer dd
Which of the following shell commands is useful for updating the timestamps of critical
files for inclusion in automated system backups? - Correct Answer touch
Which of the following shell commands is used to move the shell's current directory to
another directory? - Correct Answer cd
Which of the following provides additional information for a shell command, such as a
filename or user account name, to determine which specific action to take? - Correct
Answer Argument
Linux offers (_____) of command-line utilities, each of which is designed to perform a
specific task. - Correct Answer thousands
Which of the following shell commands is used to create a new directory? - Correct
Answer mkdir
,Which of the following compression commands is used to merge multiple files into a
single file? - Correct Answer tar
A Linux distribution is also called a Linux (_____). - Correct Answer distro
To find text in the vi editor, which character do you type before the search text to search
forward in the document? - Correct Answer / (forward slash)
Which of the following commands can be used to move forward five words in the vi
editor? - Correct Answer 5w
Which type of Linux distribution, which includes Red Hat Enterprise Linux, is designed to
be used in a business setting? - Correct Answer Commercial
To remove a user and keep the user's home directory and mail spool, use the (_____)
command without any additional arguments. - Correct Answer userdel
As an administrator, you can modify user accounts using the (_____) command. - Correct
Answer usermod
Which of the following is rarely installed on Linux server systems because it requires
additional hard drive space, CPU cycles, and RAM usage, and also could pose a security
risk? - Correct Answer GUI software
PAM, a powerful tool that allows an administrator to provide many restrictions to user
accounts, stands for which of the following? - Correct Answer Pluggable Authentication
Module
Which of the following refers to a specific implementation of a Linux operating system? -
Correct Answer Distribution
Which of the following Linux components refers to a well-defined structure that stores file
and directories? - Correct Answer File system
Which of the following permissions changes the behavior of the write permission when
applied to a directory? - Correct Answer Sticky bit
,Which of the following is not a Red Hat-based distro? - Correct Answer Ubuntu
Which of the following filesystems contains files such as the kernel, bootloader, and
initramfs files? - Correct Answer /boot
Which of the following refers to creating small programs based on the Linux commands
that you want to routinely (or occasionally) execute? - Correct Answer Scripting
Which of the following is a component of the Linux operating system? - Correct Answer
All of the above
User utilities
Server software
File systems
A system with at least (_____) of RAM should be able to support at least one VM. -
Correct Answer 8GB
Which term refers to a software package that often costs nothing? - Correct Answer Open
source
At any given time, there are about (_____) active Linux distributions. - Correct Answer
250
To discover additional information about a Linux command or configuration file, you can
use the (_____) page. - Correct Answer man
Which of the following commands is the same as the "apropos" command? - Correct
Answer man -k
Which of the following commands is the same as the "whatis" command in Linux? -
Correct Answer man -f
You can find additional user documentation in which of the following directories? -
Correct Answer /usr/share/doc
, Man pages have been around since the early days of (_____) in the early 1970s. -
Correct Answer UNIX
The wall command used to broadcast urgent real-time messages on a system is limited
to how many lines of text? - Correct Answer 20
Which of the following is the most commonly overlooked step in the process of
troubleshooting a problem with a Linux system? - Correct Answer Document the actions
you plan to perform to solve the problem before taking any action.
Which of the following methods can be used to help determine the likely cause of a
problem with a Linux system? - Correct Answer Contacting another system administrator
and asking for advice
Reading documentation,such as man and info pages
Researching your problem on Linux forum sites
All of these
What might want to place in the /etc/motd file? - Correct Answer A friendly welcome
message
In relation to the steps for troubleshooting a problem with a Linux system, what does POA
stand for? - Correct Answer Plan of attack
Which of the following is a GUI-based text editor that includes tools and features like
syntax highlighting, insertion of code by clicking a button, and automatic formatting? -
Correct Answer bluefish
An improved version of the vi editor, available on some Linux distributions, is called
(_____). - Correct Answer vim
Which of the following commands is used to save and quit a document in the vi editor? -
Correct Answer :wq
To edit a new file with the vi editor, you can just type the command with no arguments or
type (_____). - Correct Answer vi filename