Core 2: Basic Linux Commands

Question 1

Which of the following Linux commands is used to display information about files and directories contained within the current working directory?

pwd
ls
grep
ps

Answer 1

ls

Question 2

A Linux command-line command that enables searching files for lines containing a match to a given text pattern is called:

rm
chmod
find
grep

Answer 2

grep

Question 3

Which of the following Linux command-line commands enables directory traversal?

cd
dir
ps
dig

Answer 3

cd

Question 4

The following command can be used for turning off or restarting a Linux host.

reboot
shutdown
exit
taskkill

Answer 4

shutdown

Question 5

A Linux command displaying an absolute path to (i.e. full filename of) the current working directory is called:

mv
pwd
rm
dir

Answer 5

pwd

Question 6

A Linux command-line command allowing a user to change his/her own password is known as:

pwd
pass
passwd
password

Answer 6

passwd

Question 7

Which of the following is a Linux command for transferring files/directories to a different directory?

replace
export
move
mv

Answer 7

mv

Question 8

Which Linux command enables copying files and directories?

cp
copy
xcopy
robocopy

Answer 8

cp

Question 9

What is the name of the Linux command used for renaming files and directories?

rm
ps
mv
ls

Answer 9

mv

Question 10

A command-line command in Linux used for deleting files and directories is known as:

erase
rm
del
edit

Answer 10

rm

Question 11

What is the function of the Linux chmod command?

Changes file access permissions
Changes file owner and group permissions
Compares the contents of two files or sets of files
Changes the Linux command prompt

Answer 11

Changes file access permissions

Question 12

What is the function of the Linux chown command?

Changes the Linux command prompt
Compares the contents of two files or sets of files
Changes file owner and group permissions
Changes file access permissions

Answer 12

changes file owner and group permissions

Question 13

A Linux command-line utility used for displaying and modifying network interface configuration settings is called:

ifconfig
net config
ipconfig
networksetup

Answer 13

ifconfig

Question 14

Which of the following is a Linux command-line command used for configuring network interface parameters specific to the wireless communication?

net config
ifconfig
networksetup
iwconfig

Answer 14

iwconfig

Question 15

What is the name of a Linux command-line utility used for displaying statistics of running processes?

ps
tasklist
nbtstat
id

Answer 15

ps

Question 16

Which of the following is a Linux command that allows to assume the identity of a different system user and execute commands with security privileges of that user account?

sync
id
usermod
su

Answer 16

su

Question 17

A Linux command that temporarily modifies security privileges to allow an execution of a single command that requires root access permissions is called:

id
sudo
usermod
su

Answer 17

sudo

Question 18

Which of the following is a package management system most often used on Debian and Debian-based Linux distributions?

KDE
APT
Yum
RPM

Answer 18

AP

Question 19

What is the name of a software tool used for finding and installing software packages on Debian and Debian-based Linux distributions?

RPM
apt-rpm
Yum
apt-get

Answer 19

apt-get

Question 20

Which of the following commands is used for invoking a text editor in Unix-like operating systems?

edit
notepad
vi
bcdedit

Answer 20

vi

Question 21

A low-level utility that can be used for creating/restoring filesystem backup copies in Linux is called:

fsutil
diskpart
dd
format

Answer 21

dd

Question 22

Which of the Linux command-line commands allows to terminate a running process?

taskkill
exit
shutdown
kill

Answer 22

kill