Linux Essentials Midterm Exam

Which of the following commands can be used to rename a file? rm cp name mv

mv

Which of the following commands can be used to compress a file? (choose three) zip bzip2 gzip bunzip2 cat

zip bzip2 gzip

Source code refers to: A human-readable version of computer software The interface that software uses to talk to the kernel The version of a program that the computer runs on the CPU The license that dictates how you may use and share the software

A human-readable version of computer software

The most common shell used for Linux distributions is the ________ shell. Zsh Fish Tsch Bash

Bash

The touch command can be used to: (choose two) Change ownership of a file Create new files Change a file's name Update the timestamp of existing files

Create new files Update the timestamp of existing files

Compression of a file works by: Removing the high order bit from each byte Eliminating gaps within the file Storing most of the data on removable media and just leaving a pointer Removing redundant information Consolidating multiple files into one

Removing redundant information

The following sections commonly appear on a man page: (choose three) SYNOPSIS NAME LICENSE DESCRIPTION

SYNOPSIS NAME DESCRIPTION

In graphical mode, you can get to a shell by running which applications? (choose two) Gbash Guiterm Terminal Xterm console

Terminal Xterm

The asterisk character is used to represent zero or more of any character in a filename. True or False? True False

True

The main purpose of using glob characters is to be able to provide a list of filenames to a command. True or False? True False

True

The shell program interprets the commands you type into the terminal into instructions that the Linux operating system can execute. True or False? True False

True

The cd command by itself will take you to what directory? The directory above the current working directory None; it is not a valid command Your home directory The system root directory

Your home directory

What command will allow you to change your current working directory? ls list chdir cd

cd

The top-level directory on a Linux system is represented as: / /home C: /root

/

Virtualization means: Many users can share one hard drive A user can connect to a server over the network and use a virtual console A machine can swap memory to disk A single host can be split up into multiple guests Two users get different memory spaces on the same machine

A single host can be split up into multiple guests

The tilde (~) is used to represent: Nothing; it has no special meaning Any two single characters The directory above the current working directory A user's home directory

A user's home directory

Creative Commons licenses allow you to: (choose three) Receive royalties on the use of the work Allow or disallow commercial use Specify whether or not people may distribute changes Get a veto on where the work is used Specify whether or not changes must be shared

Allow or disallow commercial use Specify whether or not people may distribute changes Specify whether or not changes must be shared

The most popular Linux platform for mobile phones is: Android Slackware BlackBerry IOS MobileLinux

Android

The acronym CLI stands for: Command Line Interface Computer Link Interpreter Command Line Interpreter Computer Line Interface

Command Line Interface

A maintenance cycle: Describes how often updates for software come out Should be short so you always have the freshest releases Describes how long a version of software will be supported Only has meaning for paid software Should be long so that you have time before you need to upgrade

Describes how long a version of software will be supported

The release cycle: Only has meaning for paid software Describes how long software will be supported Should be long so that you have time before you need to upgrade Should be short so you always have the freshest releases Dictates how often software is updated

Dictates how often software is updated

When choosing a distribution of Linux, you should consider: (choose five) Popularity on social media Does the distribution offer a "stable" version Does your organization require long-term support for the system If the application software is supported by the distribution Will users require a GUI Will commercial support be required for the OS

Does the distribution offer a "stable" version Does your organization require long-term support for the system If the application software is supported by the distribution Will users require a GUI Will commercial support be required for the OS

A pair of double quotes (" ) will prevent the shell from interpreting any metacharacter. True or False? True False

False

Linux is distributed under which license? MIT GPLv2 GPLv3 Linux Foundation BSD

GPLv2

The Linux shell: (choose three) Is responsible for tracking the location of configuration files Has a scripting language Has a built-in text editor Is customizable Allows you to launch programs

Has a scripting language Is customizable Allows you to launch programs

The first character in a long listing (ls -l) indicates: If something is a file, directory, or symbolic link The size The permissions The owner

If something is a file, directory, or symbolic link

A copyleft provision in a software license means: You give up your copyright to the software You may not link against third party closed source software You must provide support for your modifications You must provide free copies of the software if you use it If you redistribute the software, you must distribute the source to any changes you make

If you redistribute the software, you must distribute the source to any changes you make

The three main modes of tar are: (choose three) Copy List Compress Extract Create

List Extract Create

Which of the following are examples of desktop software? (choose two) File share Compiler Music player Web server Web browser

Music player Web browser

Which of the following pieces of software deal with file sharing? (choose three) Netatalk Samba X-Windows NFS PostgreSQL

Netatalk Samba NFS

Which environment variable contains a list of directories that is searched for commands to execute? PS2 PATH EXEC PS1

PATH

What does a distribution provide to add and remove software from the system? Package Manager Application Programming Interface (API) Partitioning tool Compiler Bash

Package Manager

In the command tar -czf foo.tar.gz bar, what is the purpose of the f flag? Tells tar to write to the file that follows the flag Tells tar to print the name of each file as it is processed Tells tar to read from the file that follows the flag Specifies extra compression is to be used Tells tar to copy only files, and not directories

Tells tar to write to the file that follows the flag

The statement that describes the difference between a man page and an info page is: The man page is a long detailed reference; the info page is very terse. There is very little difference between them. The man page is like a guide; the info page is a more concise reference. The info page is like a guide; a man page is a more concise reference.

The info page is like a guide; a man page is a more concise reference.

Which of the following are glob characters? (choose three) The question mark "?" The dash character "-" The square brackets "[" and "]" The asterisk "*"

The question mark "?" The square brackets "[" and "]" The asterisk "*"

Lossy compression: (choose three) Usually results better compression than lossless Is often used with images Sacrifices some quality Is often used with documents Decompresses to an identical version as the original

Usually results better compression than lossless Is often used with images Sacrifices some quality

Open source means: (choose two) You can modify the software's source code You must share your changes You must support the software you share You cannot charge anything for the software You can view the software's source code

You can modify the software's source code You can view the software's source code

To search the man page sections for the keyword example, which of the following command lines could you execute? (choose two) man -k example apropos example man -f example whatis example

man -k example apropos example

Which two pager commands are used by the man command to control movement within the document? (choose two) more page grep less

more less

Select the command that can report the location of a command: what where which

which