Linux 1-4, 7-11

​The database for the locate command can be updated manually by using the updatedb command. True False

True

In Linux, the core component of the GUI is known as: GNOME KDE X Windows Red Hat

X Windows

Using wildcard metacharacters, how can one indicate a number is either 1, 2, 3, or 4? 1-4 [1-4] [1234] [1,2,3,4]

[1-4]

The ability to extract, manipulate, and format text using pattern action statements belongs to which command below? sed grep awk nl

awk

In what mode does the vi editor open by default?​ ​append mode ​insert mode ​overview mode ​command mode

​command mode

In vi, using command mode, what ​series of key presses below will cause the line on which the cursor is on to be deleted? ​X ​dd ​yw ​d

​dd

What permission (when applied to a directory) allows a user to enter the directory and work with directory contents?​ ​read ​write ​execute ​sticky bit

​execute

​What construct is intended for use in processing a list of objects, such as files, directories, users, printers, and so on? ​for ​while ​case ​switch

​for

What is the default target on a system with a GUI installed?​ ​multi-user.target ​single-user.target ​graphical.target ​gui.target

​graphical.target

What can be used on a Linux system to trace the lineage of each child process?​ ​process ID ​parent process ID ​execution order ID ​process fork ID

​parent process ID

What command below is used to display the lineage of a process by tracing its PPIDs until the init daemon?​ ​psbranch ​pstree ​psparent ​pshead

​pstree

To display a text file in reverse order, what command should be used?​ ​cat ​tac ​tee ​sed

​tac

In order to quickly create an empty file, what command can be used?​ ​vim file1 ​touch file1 ​echo file1 ​create file1

​touch file1

In Fedora 20, what terminal is used for graphical login?​ ​tty0 ​tty1 ​tty2 ​tty4

​tty1

The Linux kernel exists as a file named:​ ​vmlinuz ​vmlinux ​kernel.0 ​krn.linux

​vmlinuz

The contents of a certain variable in memory can be viewed using which metacharacter below in combination with the echo command? $ * & #

$

What metacharacter indicates background command execution? @ ^ & !

&

Select the regular expression metacharacter that matches 0 or more occurrences of the previous character. * ? + ^

*

In a file's mode, a permission that is unavailable is represented by what character? * + ? -

-

Which switch below can be added to the ls command to show a list of files and their type? -T -L -F -l

-F

In order to display a list of at job IDs, what option can be specified to the at command? -d -u -a -l

-l

The Filesystem Hierarchy Standard specifies what directory as containing the Linux kernel and the boot loader configuration files? /load /bin /boot /mnt

/boot

Under what directory is the Linux kernel stored? / /boot /root /krnl

/boot

The Filesystem Hierarchy Standard specifies what directory as the root user's home directory? /bin /home/root /boot /root

/root

Under the root directory in Linux, which directory contains system commands and utilities? /opt /var /boot /usr

/usr

What metacharacter can be used to issue two commands to be run in consecutive order, without piping or redirecting output? \ & ; |

;

The standard output and standard error from a terminal screen within the BASH shell can be redirected to a file on the filesystem using what shell metacharacter, followed by the absolute or relative pathname of the file? # < > |

>

By default, Fedora 20 allows the root user to log into the GNOME desktop.​ True False

False

Fedora 20 makes use of the XFree86 ​implementation of X Windows. True False

False

It is acceptable to use shell metacharacters when naming files. True False

False

On closed-source operating systems, hot fixes for software bugs are deployed very quickly. True or False?

False

Pressing the Esc key at the prompt while using the more command displays a help screen. True False

False

Shell scripts do not require the execute permission in order to be run the same way binary programs are run.​ True False

False

The /etc/rc.d/rc 5 script only executes files that start with S in the /etc/rc.d/rc5.d/ directory. True False

False

The command strings /bin/echo displays the raw binary characters inside the /bin/echo binary executable program. True False

False

The rmdir command automatically removes a directory and all of its subdirectories and files. True False

False

The term hacker refers to someone who illegally uses computers for personal benefit or to cause damage. True False

False

When a user interacts with his computer, he interacts directly with the kernel of the computer's operating system. True False

False

The iptables software on Linux is an example of what kind of software?​ ​Routing ​Anti-virus Firewall​ ​Proxy

Firewall​

What software type is software that is distributed free of charge, but the source code is not available? Open source software Shareware Close source software Freeware

Freeware

A swap partition contains a filesystem. True False

False

What number represents the stdin file descriptor? 0 1 2 3

0

In Linux, what runlevel is also known as the multiuser mode? 1 2 3 4

2

What is the recommended size for the /home directory? 100 MB 200 MB 500 MB 1000 MB

200 MB

Select the mode below that corresponds to setting r-x: 1​ ​2 5​ ​6

5​

When using the chmod command, the mode rwx can be represented by which number? 0 1 7 8

7

Dennis Ritchie invented what programming language, which was then used to rewrite the UNIX operating system?​ ​PERL ​Python Pascal ​C

C

Which of the following key combinations, commonly used in the vi editor command mode, displays current line statistics? $ x Ctrl+g P

Ctrl+g

The LISP artificial intelligence programming language can be used with which text editor below? Kedit editor Joe editor Emacs editor Nedit editor

Emacs editor

What service provides a method for the efficient transfer of files over the Internet? FTP HTML SMTP Telnet

FTP

What stipulates that the source code of any software published under its license must be freely available. GNU Public License Free Software Foundation Freeware Artistic License

GNU Public License

When viewing the version number for a Linux kernel, what number indicates the stability of the kernel? Major # Revision # Minor # Production Kernel #

Minor

When using command-line terminal, specific letters that start with a dash ("-") and appear after command names are considered to be: Arguments Options Keywords Metacharacters

Options

What Linux distribution is the most commonly used distribution within organizations today? Mandrake SuSE Debian Red Hat

Red Hat

Which kill signal terminates a process by taking the process information in memory and saving it to a file called core on the hard disk in the current working directory? SIGINT SIGKILL SIGQUIT SIGTERM

SIGQUIT

At minimum, Linux typically requires only two partitions to be created: a partition that is mounted to the root directory, and a partition for virtual memory.​ True False

True

If the /etc/at.allow and /etc/at.deny files do not exist, only the root user is allowed to schedule tasks using the at daemon. True False

True

Linux uses a logical directory tree to organize files into different folders. True False

True

Much like the SysV init daemon, the Systemd init daemon is used to start daemons during system initialization as well as start and stop daemons after system initialization. True False

True

Open Source Software (OSS) is freely developed and continuously improved by a large community of software developers True False

True

You can use wildcard metacharacters with the find command. True False

True

The default BASH shell prompt is set by an environment variable. What command can be used to view this variable? ls $PWD echo #PWD echo $PS1 ls #PS1

echo $PS1

A list of all exported environment and user-defined variables in a shell can be viewed with what command below? env set setenv getenv

env

After a shell is no longer needed, what command can be given to exit the shell? exit stop reset quit

exit

After a background process has been started, what command below can be used to move it to the foreground? fg fgnd fgd b2f

fg

Select the command below that can be used to provide a long listing for each file in a directory: ls -T ls -L ls -F ls -l

ls -l

The apropos list command produces the same results as which command below? man -j list man -k list man -l list man -m list

man -k list

Select the utility below that when run will start and perform a thorough check of RAM for hardware errors:​ ​memcheck68 ​memtest86 ​fixram ​fsck

memtest86

When viewing the version number for a Linux kernel, what number indicates the stability of the kernel? major number revision number minor number production kernel number

minor number

What command can be issued to confirm what directory you are in at a command line prompt? dir pwd whereami ld

pwd

What command below takes a list of arguments specifying the absolute or relative pathnames of files to remove? del rm remove delete

rm

After logging into a terminal, a user will receive an interface known as which option below? processor user interface swap memory shell

shell

What section of a filesystem contains information about the filesystem in general? inode table inode data blocks superblock

superblock

What command can be used to display the last five lines of a text file? end -5 head -5 stop -5 tail -5

tail -5

An archive of files that usually contain scripts that install the software contents to the correct location on the system is referred to as a: router package manager DBMS tarball

tarball

The section of an inode that stores permissions is referred to as what? the tail of the file the head of the file the mode of the file the accessor of the file

the mode of the file

What is the minimum number of user accounts that must be created at install time? one two three four

two

Which command can be used to count the number lines, words, and characters in a file? pr nl tr wc

wc

Which character(s) below represent extended regular expression metacharacter(s)? . [...] ^ {}

{}

What option, when added to the rm command, is commonly referred to as the -resume option? ​-d ​-r ​-f ​-i

​-r

In Fedora 20, where are user configured settings for Xorg stored?​ ​/etc/X11/xorg.conf ​/etc/X11/xorg.conf.d/ ​/etc/inittab ​/etc/X11.conf

​/etc/X11/xorg.conf.d/

At the vi command mode prompt, what key combination below will force a quit from the vi editor without saving changes? ​:q ​:q! ​:exit ​:!

​:q!

Which type of open source license ensures that the source code of a program is freely available while also allowing the original author of the source code some control over the changes made to it?​ ​Freeware ​Shareware ​GPL ​Artistic

​Artistic

The GNU General Public License (GPL) was developed by which organization?​ ​Free Software Foundation (FSF) ​Electronic Frontier Foundation (EFF) ​Microsoft ​Sun Microsystems

​Free Software Foundation (FSF)

Prior to performing an installation of Linux, the hardware components of the target system should be checked against what known compatible list below?​ Software / Hardware List (SHL)​ ​Known Working Devices (KWD) ​Hardware Compatibility List (HCL) ​Compatible Hardware List (CHL)

​Hardware Compatibility List (HCL)

What does the setfacl -b command do?​ ​It removes all extra ACL assignments on a given file ​It sets 7777 on a given file or folder for all users / groups ​The file's user / group ownership is changed to to root / root ​The file's ACL assignments are created and are then ready to be modified.

​It removes all extra ACL assignments on a given file

​The QT toolkit is utilized by which GUI environment? ​GNOME ​Enlightenment ​KDE ​Xfce

​KDE

​The overall cost of using a particular operating system is known as? ​Total cost of ownership (TCO) ​Owner Related Expense (ORE) ​Cost to Own (CTO) ​Return on Investment (ROI)

​Total cost of ownership (TCO)