Operating System: Common features and tools of the Linux client/desktop OS

Question 1

What does pwd function for in the linux command line tool do?

Answer 1

Shows Current directory

Question 2

What is the Bash shell?

Answer 2

The bash shell can be used to manage files and directories on a linux operating system. Specific commands are used to accomplish these tasks.

Question 3

What is the linux command line to switch users?

Answer 3

su

Question 4

How can I elevate my privelages to superuser?

Answer 4

Sudo

Question 5

How can I navigate to and from directories in linux command tool?

Answer 5

CD

Question 6

What linux command do I use to search for particular file pattern?

Answer 6

The grep filter searches a file for a particular pattern of characters and displays all lines that contain that pattern.

Question 7

How can you list the contents of a current directory in linux command line tool?

Answer 7

ls

Question 8

How can I move or rename files in the linux command tool?

Answer 8

mv

Question 9

How can I copy files in the linux command tool?

Answer 9

Cp – copies files and directories

Cp test1.txt ~/Desktop

Question 10

How can I remove files in linux command tools?

Answer 10

Rm – Does not remove directories by default (use –r options\ or –d if directory is empty

Question 11

How can I modify permissions of files?

Answer 11

Sudo chmod a-w test1.txt

Sudo chmod a+w test1.txt

Question 12

How can I change ownerships over files?

Answer 12

chown

Question 13

What command line tool in linux can I use to edit Files?

Answer 13

Vi/Vim are complex and powerful text editors while Nano is a lightweight, simplified editor.

Question 14

what tool can I use to find files in linux?

Answer 14

./Documents/ test*

Question 15

I need to find the network configuration in linux command line tool?

Answer 15

ifconfig

Question 16

How can I find the current IP address used in linux command line tool?

Answer 16

Ip addr or IP

Question 17

What is a equivalent command line tool for nslookup in linux?

Answer 17

Dig (Domain Internet Growbridge) – allows you to DNS name resolution look up, just like nslookup)

Question 18

Process and Daemons: Ps

Answer 18

What the current processes are tied to your log in

Question 19

Top

Answer 19

Is equivalent to task manager which gives you information of associated users and processes) Hit Q to get out of screen / top – snapshot of current process

Question 20

How to quit in the command line linux tool?

Answer 20

Kill

Question 21

What is the function of man ls

Answer 21

if you wanted to learn about “ls” command, you would type “man ls” into command line. This would bring up a detailed manual page for ls command, including information on its syntax, options, and arguments. There are different sections within man command, each of which covers a specific topic.

Question 22

How can I have a look inside a file really quickly?

Answer 22

Cat (enter file name here)

Question 23

how can Identify the current storage utilization?

Answer 23

Df

Question 24

What is the current memory being utilized?

Answer 24

Free

Question 25

Convert and copy files?

Answer 25

dd is a command-line utility for Unix and Unix-like operating systems whose primary purpose is to convert and copy files.

Question 26

How to shutdown?

Answer 26

Shutdown

Question 27

I need to know what processes are using my memory?

Answer 27

top

Question 28

apt-get

Answer 28

a command-line tool that helps in handling packages in Linux. Its main task is to retrieve the information and packages from the authenticated sources for installation, upgrade, and removal of packages along with their dependencies. Here APT stands for Advanced Packaging Tool.

Question 29

What is the Samba Tool?

Answer 29

Samba enables Linux / Unix machines to communicate with Windows machines in a network. Samba is open source software. Originally, Samba was developed in 1991 for fast and secure file and print share for all clients using the SMB protocol. Since then it has evolved and added more capabilities.

Question 30

Linux Shell/terminal

Answer 30

The Linux command line is a text interface to your computer. Often referred to as the shell, terminal, console, prompt or various other names, it can give the appearance of being complex and confusing to use.