Linux+ 1-4, Linux Ch.1-4 Quiz
Which prompt does the root user receive when logged in to the system?
#
In a file's mode, a permission that is unavailable is represented by what character?
-
In a file's mode, if a permission is unavailable, a ____ character replaces its position in the mode.
-
To view a list of files and their type, use the _____ switch to the ls command.
-F
What option, when added to the rm command, is commonly referred to as the -resume option?
-r
In the root directory in linux, which dir contains system commands and utilities?
/usr
The _____ directory contains system commands and utilities.
/usr
_____ is the metacharacter for command termination.
;
A _____ is a piece of software that tells the operating system how to use a specific hardware device.
Device driver
What piece of software tells the operating system how to use a specific hardware device?
Device driver
The _____ is a special file that serves as placeholders to organize other files.
Directory
_____ allows you to choose the operating system to boot upon system startup.
Dual booting
_____ is a file that represents a device on the system, such as a hard disk or serial port.
Special device file
To display a text file in reverse order, what command should be used?
Tac command
Many types of software are available today. Which type of software does Linux represent. a. Open Source Software b. closed source software c. freeware d. shareware
a
Which culture embraced the term GNU(GNU's Not Unix) and laid the free software groundwork for Linux? a. the hacker culture b. the MIT culture c. the cracker culture d. the Artificial Intelligence culture
a
In vi, using command mode, what series of key presses will cause the line on which the cursor is on to be deleted?
dd
The _____ displays lines of text that match extended regular expressions.
egrep command
Users enter commands directly to the kernel of the Linux operating system.t/f
false
The command used to view your group memberships and primary group is ____.
groups
What command can you use to safely shut down the Linux system immediately?
halt
Linux uses a logical directory tree to organize files into different folders.
t
The more command should not be used on binary files.
t
The contents of a certain variable in memory can be viewed using which metacharacter in combination with the echo command?
$
Which prompt do regular users receive when logged in to the system?
$
You can see the contents of a certain variable in memory by using the ____ metacharacter with the echo command.
$
The _____ metacharacter indicates background command execution.
&
Select the regular expression metacharacter that matches 0 or more occurrences of the previous character.
*
The _____ regular expression metacharacter matches 0 or more occurrences of the previous character.
*
Which switch command can be added to the ls command to show a list of files and their type?
-F
which switch below can be added to the ls command to show a list of files and their type?
-F
The File system Hierarchy Standard specifies what directory as containing the Linux kernel and the boot loader configuration files?
/boot
The File system Hierarchy Standard specifies what directory as the root user's home directory?
/home
In the FHS, the ____ directory is the root user's home directory.
/root
In the FHS, the ____ directory contains most system commands and utilities.
/usr
what directory under / contains files and spools for a linux system?
/var
The source code for Linux was released in _____.
1991
The recommended size for the /home directory is _____ per user.
200 MB
-wx-w-r-x
325
Hard disks can contain a maximum of _____ major partitions
4
What is the maximum number of partitions that can be used on a hard drive or a SSD.
4
r--
4
what are the three numbers representing rwx?
421
r-x
5
rw-
6
rw-r-xrwx
657
rw- rw- rw-
666
When using the chmod command, the mode rwx can be represented by the number ____.
7
When using the chmod command, the mode rwx can be represented by which number?
7
rwx
7
At the vi command mode prompt, what key combination will force a quit from the vi editor without saving changes?
:q!
What meta-character can be used to issue two commands to be run in consecutive order, without piping or redirecting output?
; semicolon
The _____ symbol indicates a linked file.
@
When issuing the ls -F command, what special character indicates a linked file?
@
T/F - To perform a case-insensitive grep search, would you use the -a option to the grep command?
False
T/F - When a user interacts with his computer, he interacts directly with the kernel of the computer's operating system.
False
T/F - When using the chmod command, if there is no character specifying the category of user to affect, only the group category is affected.
False
What command is most effective at identifying different types of files?
File command
_____ is a service that protects companies from outside intruders on the Internet.
Firewall
The _____ stipulates that the source code of any software published under its license must be freely available.
GNU General Public License
how do computers on a network identify each other and refer to other computers?
IP adress
The QT toolkit is utilized by which GUI environment?
KDE
_____ are files that have an association with one another.
Linked files
HOWTO documents are centrally collected by the _____.
Linux Documentation Project
_____ is a file that contains the most recent entries at the bottom of the file.
Log file
The _____ indicates the stability of a Linux kernel.
Minor number
How can you protect a metacharacter(such as the $ character) from shell interpretation?
Precede it with a \.
Because you need to document so many pieces of hardware and software information, you should create a _____ that contains all important installation information as well as hardware information
Preinstallation checklist
In Linux, a _____ is used to accept input from the user and pass the input to the kernel for processing.
Shell
_____ is a file that allows a process on another computer to write to a file on the local computer while another process reads from that file.
Socket file
The list of instructions that a software developer writes to make up a program is _____.
Source code
What is the most common open source Web server available for Linux? Answers: Samba Apache Squid pine
Apache
_____ specify a commands' working parameters.
Arguments
The _____ is the program started by the BIOS that loads the Linux kernel into memory from a hard disk partition inside the computer.
Boot loader
When looking at the version number for a linux kernel, what number indicates the stability of the kernel?
minor number
The section of an inode that stores permissions is referred to as what?
mode
When displaying a large text file, what two commands provide the ability to show text in a page by page fashion?
more and less
Because linux has the ability to manage thousands of tasks at the same time, including allowing multiple users to access the system at the same time, it is referred as an OS that is
multitasking and multi-user
Linux is a __________ and __________ operating system.
multiuser, multitasking
An organized collection of data that is arranged into tables of related information is a _____.
Database
When a user creates a file or directory, that user's name and ______ becomes the owner and group owner of the file, respectively.
primary group
The _____ command will confirm the system directory that you are currently in.
pwd
What command can be issued to confirm what directory you are in at a command line prompt?
pwd
What commands is used for confirming the present directory that you're in?
pwd
To copy a directory full of files in Linux, you must tell the cp command that the copy will be _____(involve files and subdirectories too) by using the -r option
recursive
Text wildcards used to ease the searching of specific text information are called _____.
regular expressions
Text wildcards used to ease the searching of specific text information are called _______.
regular expressions
What does the setfacl -b command do?
removes all extra ACL assignments
The ____ command takes a list of arguments specifying the absolute or relative pathnames of files to remove.
rm
What command takes a list of arguments specifying the absolute or relative pathnames of files to remove?
rm
Which of the following refers to the third primary partition on the second SCSI hard disk within Linux? hdb2 sda3 hdb3 sdb3
sdb3
After you log into a terminal, you receive a user interface called a __________.
shell
what command is most effective at identifying different types or files?
stat
The ____ section of a filesystem is the section that contains information about the filesystem in general.
superblock
What section of a filesystem contains information about the filesystem in general?
superblock
To create a(n) _____ link, you use the -s option to the ln command.
symbolic
If enough unique letters of a directory name have been typed, what key can be pressed to activate the BASH shell's completion feature?
tab
to display a text in reverse order, what command sohould be used?
tac
The _____ displays a file in reverse order.
tac command
The _____ command displays the last five lines of a text file.
tail -5
Most files on a Linux system that contain configuration information are _____ files.
text
The command used to quickly create an empty file is ____.
touch
In order to quickly create an empty file, what command can be used?
touch command
The more command should not be used on binary files. (true/false)
true
To install Linux within a virtual machine, you can specify the path to an ISO image that contains the Linux installation media within virtualization software without having to first write the ISO image to a DVD or USB flash drive. t/f
true
linux uses a logical directory tree to organize files into different folders.
true
____ is a special variable on the system used to take away permissions on new files and directories immediately after they are created.
umask
A special variable used to alter permissions by taking away select defaults?
unmask command
What mode corresponds to setting r-x:
user
The _____ command only searches directories that are listed in a special variable called the PATH variable in the current BASH shell.
which
Which command displays the users who are currently logged in to the Linux system?
who
The command used to view your current user name is ____.
whoami
Which Linux command displays your login name?
whoami
which linux command can be used to display your current login name?
whoami
Due to the fact that the * character can be used to match all characters in a filename, or all files in a directory, it is referred to as a_______ metacharacter.
wildcard
If a user has ____ permission for a file, they can open, read, and edit the contents of a file.
write
What permission (when assigned to a file) grants a user the ability to open, read, and edit the contents of a file?
write
What permission grants a user the ability to open, read, and edit the contents of a file?
write
Which character(s) represent extended regular expression metacharacter(s)?
{}
Which is an extended regular expression metacharacter?
{}
The _____ metacharacter can also be used to refer to the current user's home directory.
~
What metacharacter can be used to refer to the current user's home directory?
~
A swap partition contains a file system
False
Shell scripts do not require the execute permission in order to be run the same way binary programs are run.
False
T/F - A swap partition contains a filesystem.
False
T/F - Do all commands have either man pages or info pages?
False
T/F - Does Linux allow only a single user to access the system simultaneously?
False
T/F - Does SYSLINUX, the Linux installation program, have a full range of hardware support?
False
T/F - Filenames can include up to 200 characters.
False
T/F - In Linux, the administrator account is called top.
False
T/F - In Linux, the root directory is represented by a \ character.
False
T/F - Is Linux referred to as a multioperational operating system?
False
T/F - Is the graphical Emacs editor harder to use than the Emacs editor?
False
T/F - Is the password database used for authentication always located on the local computer?
False
T/F - Is vim the Linux equivalent of vi?
False
T/F - It is acceptable to use shell metacharacters when naming files.
False
T/F - It is difficult to port software designed for UNIX to Linux.
False
T/F - It is important to ensure that a computer meets the maximum hardware requirements before performing an installation.
False
T/F - Linux requires a minimum of three partitions to be created.
False
T/F - Pressing the Esc key at the prompt while using the more command displays a help screen.
False
T/F - Services that are used on the local computer are referred to as server services.
False
T/F - Software that consists of a series of software components used to control the hardware of your computer is known as application software.
False
T/F - The command strings /bin/echo displays the binary characters inside the /bin/echo binary executable program.
False
T/F - The rmdir command automatically removes a directory and all of its subdirectories and files.
False
T/F - The swap partition for Linux 2.4 kernels should be at least half the size of the physical RAM.
False
T/F - The term hacker refers to someone who illegally uses computers for personal benefit or to cause damage.
False
T/F - To create a subdirectory, you would use the makedir command.
False
T/F - To display the line number of each line in a file, in addition to its contents, would you use the cat -n command?
False
T/F - When using the find command, the -size x criteria is used to search for files with a size greater than x.
False
T/F - When using the less command, can you use the cursor keys on the keyboard to scroll up and down the contents of the file?
False
T/F - When working with files, the special metacharacter ".." specifies the current directory.
False
T/F - When you first open the vi editor, you are placed in edit mode.
False
The IPtables software on linux is an example of what kind of sofware?
Firewall
Solaris, HP-UX and AIX are all _____ of Unix.
Flavors
_____ is software that is distributed free of charge, but the source code is not available.
Freeware
A _____ is a user-friendly name that is associated with an IP address.
Fully qualified domain name
_____ is a GUI Environment for Linux written in the C programming language.
GNOME
An alternative to the vi editor that offers an equal set of functionality is the_______ editor.
GNU Emacs
What is the greatest expense for companies using Linux?
Hiring people to maintain the Linux system
_____ is the most common method of installing Linux.
Installation from a DVD
The section of an inode that stores permissions is called the ____ of the file.
Mode
A _____ identifies a channel that passes information from one process in memory to another, and in some cases can be mediated by files on the hard drive.
Named pipe
The _____ shares password databases among Linux systems.
Network Information Service (NIS)
A _____ service allows users to post messages in forums.
News
Is the graphical Emacs editor harder to use than the Emacs editor?
No
To perform a case-insensitive grep search, would you use the -a option to the grep command?
No
when a user interacts with a computer are they directly interacting with the kernel?
No
The concept of _____ enables software developers to read other developers' source code, modify that source code to make the software better, and redistribute that source code to other developers who might improve it further.
Open Source Software
_____ alter the way a command works.
Options
_____ are specific letters that start with a dash ("-").
Options
A software system that installs and maintains software is _____.
Package manager
_____ is a service that requests outside Internet resources on behalf of a computer inside of a company.
Proxy server
_____ Linux is the most common Linux distribution used today.
Red Hat
Which of the following can be used on Linux to provide file and print services? Answers: Samba Apache Squid pine
Samba
_____ is the set of instructions or programs that allow the various hardware components on a computer to minuplate data or files.
Software
Consider the phrase "collaboration between several developers with a common need speeds up software creation, and when bugs in the software are found by these users, bug fixes are created very quickly" from the chapter. This statement describes which advantage of the Linux operating system?
Stability and security
Companies and institutions using computers to perform extraordinarily large calculations that would be unsuitable for most computers would employ a _____.
Supercomputer
If you type enough unique letters of a directory and press _____ key, the BASH shell will find the intended file or directory being specified and fill in the appropriate information.
Tab
What command can be used to display the last five lines of a text file?
Tail -5
A _____ is merely a compressed archive of files that usually contain scripts that install the software contents to the correct location on the system.
Tarball
The channel that allows a user to log in is the _____.
Terminal
T/F - The program that is started by the BIOS at system startup, and that loads the Linux kernel into memory from a hard disk partition inside the computer is called the boot loader.
True
T/F - The three characters following a period in a file name are referred to as the filename extension.
True
T/F - To move files, you can use the mv command.
True
T/F - You can have more than four SCSI hard disks within a system.
True
The SGID allows regular users to execute a binary compiled program and become a member of the group that is attached to the file.
True
The database for the locate command can be updated manually by using the updatedb command.
True
The operating system software is necessary for a computer to function.T/F
True
open source software (OSS) is freely developed and continuously improved by a large community of software developers.
True
During Linux installation, you need to configure a minimum of _____ user account(s).
Two
The chgrp command takes ____ arguments at minimum.
Two
What two Linux distros use the Debian package manager by default
Ubuntu Linux and Linux Mint
The _____ filesystem is compatible with the Windows FAT filesystem.
VFAT
To display the contents of a text file called data, what command should be used?
Cat data
In order to move from the /home/joe/test/data to the /home/joe directory, what command below should be issued?
Cd ../..
Combining several small computers is a process referred to as _____.
Clustering
When sitting at a computer running Linux, what key combination is pressed to open the graphical terminal?
Ctrl + Alt + F1
What key combinations, commonly used in the vi editor command mode, displays current line statistics?
Ctrl + g
What key combination is commonly used in the vi editor command mode, displays current line statistics?
Ctrl+g
The core component of the GUI in Linux is referred to as _____.
X Windows
in linux, the core component of the GUI is known as
X windows
Is vim the Linux equivalent of vi?
Yes
To display the line number of each line in a file, in addition to its contents, would you use the cat -n command?
Yes
When using the less command, can you use the cursor keys on the keyboard to scroll up and down the contents of the file?
Yes
Using wildcard metacharacters, how can one indicate a number is either 1, 2, 3, or 4?
[1-4]
Using wildcard metacharacters, how can one indicate a number is either 1, 2, 3, or 4?
[1234]
Linux was developed by __________ to resemble the __________ operating system. a. Linus Torvalds, MINIX b. Linus Torvalds, GNU c. Richard Stallman, GNU d. Richard Stallman, MINIX
a
The ____ metacharacter can also be used to refer to the current user's home directory. a. ~ c. & b. @ d. #
a. ~
Which of the following kernels are developmental kernels? a. 3.3.4 b. 3.5.5 c. 3.2.7 d. 3.4.4
a/b
What are some good reasons for using Linux in a corporate environment? a. Linux software is unlikely to become abandoned by its developers. b. Linux is secure and has a lower total cost of ownership than other operating systems. c. Linux is widely available for many platforms ans supports many programming languages. d. Most Linux software is closed source
a/b/c
Which of the following are factors that determine which Linux distrbution a user will use? (Choose all that apply.) Answers: a. package manager support b. hardware platform c. kernel features d. language support
a/b/c/d
The core component of the Linux operating system is the Linux kernel. If you were a Linux system administrator for a company, when would you need to upgrade your Linux kernel? a. when you need to have support in Linux for new hardware b. when you need another user interface c. when you need to increase the stability of Linux d. when you need to use kernel modules
a/c
Which common GUI environments are available in most Linux distributions? (Choose all that apply.) Answers: a. GNOME b. CDE c. KDE d. RPM
a/c
Which two partitions do you typically create at minimum during a Fedora Linux installation? a. / b. /boot c. swap d. /home
a/c
Which two people are accredited with creating the UNIX operating system? (Choose two answers.) a. Dennis Ritchie b. Richard Stallman c. Linus Torvalds d. Ken Thompson
a/d
The command used to displays BASH shell aliases is ____.
alias
What command is equivalent to the man -k keyword command?
apropos keyword
added to a ch or ls command for attributes?
attr
Who formed the Free Software Foundation to promote open development? a. Dennis Ritchie b. Richard Stallman c. Linus Torvalds d. Ken Thompson
b
If you type enough unique letters of a directory and press ____ key, the BASH shell will find the intended file or directory being specified and fill in the appropriate information. a. Alt c. Ctrl b. Tab d. Esc
b. Tab
Using wildcard metacharacters, how can one indicate a number is either 1, 2, 3, or 4? a. 1-4 c. [1234] b. [1-4] d. [1,2,3,4]
b. [1-4]
To move from the /home/joe/test/data to the /home/joe directory, use the ____ command. a. cd .. c. /home/joe b. cd ../.. d. cd ./..
b. cd ../..
The ____ command will confirm the system directory that you are currently in. a. dir c. whereami b. pwd d. ld
b. pwd
Which of the following are characteristics of Open Source Software? a. The value of the software is directly related to its price. b. The software is developed collaboratively. c. The source code for software is available for a small fee. d. Any bugs are fixed quickly.
b/d
Every computer consists of physical components and nonphysical components. The nonphysical components of a computer that understand how to work with the physical components are referred to as _____. a. hardware b. records c. software d. processors
c
To which license does Linux adhere? a. open license b. artistic license c. GNU General Public License d. free source license
c
When the core components of the Linux operating system are packaged together with other Open Source Software, it is called a:a. new kernel b. new platform c. Linux distribution d. GNU Project
c
Which of the following is not a piece of information that the Fedora installation program prompts you for? a. Time zone b. Installation destination c. Firewall settings d. Keyboard layout
c
Which of the following is not an example of virtualization software that can be use to install Linux within another operating system? Answers: a. Oracle VirtualBox b. Microsoft Hyper-V c. Spiceworks d. VMware
c
To view a list of files and their type, use the ____ switch to the ls command. a. -T c. -F b. -L d. -l
c. -F
Which of the following key combinations, commonly used in the vi editor command mode, displays current line statistics? a. $ c. Ctrl+g b. x d. P
c. Ctrl+g
The ____ can be used with LISP artificial intelligence programming language and supports hundreds of keyboard functions like the vi editor. a. Kedit editor c. Emacs editor b. Mcedit editor d. Nedit editor
c. Emacs editor
Most files on a Linux system that contain configuration information are ____ files. a. system c. text b. directory d. program
c. text
A calendar for the current month can be shown on the command line by issuing which command?
cal
The command that displays the calendar for the current month is _____.
cal
To display the contents of a file called data, use the command _____.
cat data
To display the contents of a text file called data, what command should be used?
cat data
To move from the /home/joe/test/data to the /home/joe directory, use the _____ command.
cd ../..
What command do you use to move backwards two directories
cd ../..
The command used to change the group owner of a file or directory is ____.
chgrp
The command used to change the permissions for a certain file or directory is ____.
chmod
In order to set all of the special permissions on a certain file or directory, which command should be used on a file named filename?
chmod 7777 filename
To set all of the special permissions on a certain file or directory, you can use the command ____, where name is the name of the file or directory.
chmod 7777 name
The command used to change the ownership of a file or directory is ____.
chown
Which command blanks the terminal screen erasing previously displayed output?
clear
In what mode does the vi editor open by default?
command
In what mode does the vi editor open by default?
command mode
Copying a file can be accomplished using the ____ command.
cp
What command can be used to copy files?
cp
In the GNU Emacs editor, what key combination can be used to delete all characters between the cursor and the end of the line?
ctrl + K
A production kernel refers to a kernel whose: a. revision number is even b. minor number is odd c. major number is odd d. minor number is even
d
Which of the following are common methods for gaining support for Linux? a. HOWTO documents at http://www.linuxdoc.org b. a local Linux User Group c. Internet newsgroups d. all of the above
d
In the past SATA hard disks were referred to as integrated drive electronics.
false
It is acceptable to use shell metacharacters when naming files. (true/false)
false
Linux commands entered via the command line are not case sensitive.t/f
false
Pressing the Esc key at the prompt while using the more command displays a help screen. (true/false)
false
The command "strings /bin/echo" displays the binary characters inside the /bin/echo binary executable program. (true/false)
false
the term hacker refers to someone who illegally uses computers for personal benefit or to cause damage.
false
What argument can be used with the chmod command to add read permission and remove write permission for a group on a file?
g+r-w
When using the chmod command for a specific file, the ____ argument would add read permission and remove write permission for the group permissions.
g+r-w
The _____ editor is functionally analogous to the Windows Wordpad and Notepad editors.
gedit
What two commands will halt a linux system immediately?
halt and shutdown -H now
The _____ displays the first ten lines of a text file.
head command
Filenames that start with a period, such as .file, are referred to as ______ files.
hidden
The file .file.dat is an example of a _____ file.
hidden
When a user logs into their Linux system, he is placed in the _____ directory.
home
What equivalent to the man command generally provides an easier-to-read description of the queried command and also contains links to other related information?
info
In order to create a hard link, what command must be used?
ln
To create a hard link, you must use the ____ command.
ln
The fastest method to search for files in the Linux directory tree is to use the ____ command.
locate
What command utilizes a premade database that contains a list of all the files on a system:
locate command
Command that can be used to provide a long listing for each file in a directory
ls -l
The _____ command can be used to provide a long listing for each file in a certain directory.
ls -l
What command can be used to provide a long listing for each file in a directory
ls -l
Which command typed at a command prompt displays a list of commands that would likely contain the command you desire?
man -k flush
To find all of the commands that have the word "list" in their name or description, you would type _____.
man -k list
T/F - You can use wildcard metacharacters with the find command.
True
he shell that is used by default in Linux is the _____ shell.
BASH
T/F - The most common way to search for information using regular expressions is the grep command.
True
T/F - Linux is based on the Windows operating system.
False
What is the default shell in Linux called?
BASH
An alternative to the vi editor that offers an equal set of functionality is the GNU _____ editor.
Emacs
The LISP artificial intelligence programming language can be used with which text editor ?
Emacs editor
The _____ can be used with LISP artificial intelligence programming language and supports hundreds of keyboard functions like the vi editor.
Emacs editor
__________defines a standard set of directories for use by all Linux and UNIX systems, as well as the file and subdirectory contents of each directory.
FHS
A _____ service provides an efficient method for transferring files over the Internet.
FTP
T/F - The execute permission for a file allows a user the ability to execute the file in memory (if it is a program file or a script).
True
T/F - The more command should not be used on binary files.
True
If you boot your computer from Linux live media, you will be able to use a fully functional Linux system prior to installing Linux on permanent storage. Answers: True False
True
T/F - According to the author, Samba is the most common service used to allow clients to connect to shared information and printers on a Linux server.
True
T/F - An application server is one running a program that acts as an intermediary between a client computer and information.
True
T/F - Checking the media for errors is an optional step in a DVD Linux installation.
True
T/F - Commands indicate the name of a program to execute and are case sensitive.
True
T/F - Companies that use services on a computer to serve client computers are said to have an Internet server.
True
T/F - Each computer participating on the Internet must have an IP address.
True
T/F - Linux is less expensive than other operating systems such as Windows.
True
T/F - Linux is merely one product of open source development.
True
T/F - Linux uses a logical directory tree to organize files into different folders.
True
T/F - Open Source Software (OSS) is freely developed and continuously improved by a large community of software developers.
True
T/F - System Rescue can be used to repair a Linux system that cannot be started.
True
T/F - The GNU Public License legalized free distribution of the source code for any software published under the license.
True
T/F - The PATH variable lists directories that are searched for executable files if a relative or absolute pathname was not specified when executing a command on the command line.
True
T/F - The command shutdown -h +30 would halt your system in 30 minutes.
True
The ____ regular expression metacharacter matches 0 or more occurrences of the previous character. a. * c. + b. ? d. ^
a. *
The ____ symbol indicates a linked file. a. @ c. & b. * d. =
a. @
To display the contents of a file called data, use the command ____. a. disp data c. ls -l data b. ls data d. cat data
d. cat data
The ____ editor is functionally analogous to the Windows Wordpad and Notepad editors. a. XEmacs c. Emacs b. vi d. gedit
d. gedit
The ____ command can be used to provide a long listing for each file in a certain directory. a. ls -T c. ls -F b. ls -L d. ls -l
d. ls -l
The ____ command displays the last five lines of a text file. a. end -5 c. stop -5 b. head -5 d. tail -5
d. tail -5
Which is an extended regular expression metacharacter? a. . c. ^ b. [...] d. {}
d. {}
What permission (when applied to a directory) allows a user to enter the directory and work with directory contents?
excecute
Which Linux command gets you out of your current shell?
exit
The traditional filesystem still used on most Linux computers is _____.
ext2
The filesystem that performs journaling is _____.
ext3
It is acceptable to use shell metacharacters when naming files.
f
Pressing the Esc key at the prompt while using the more command displays a help screen.
f
The command strings /bin/echo displays the raw binary characters inside the /bin/echo binary executable program.
f
In a file listing, the 9 characters following the file type (for example, -rwxr-xr-x) refer to the file's _______.
permissions
In a file listing, the 9 characters following the file type (ie. -rwxr-xr-x) refer to the file's _____.
permissions
The command used to test network connectivity is ____.
ping
The command that halts the system immediately and powers down the computer is _____.
poweroff
