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Q.1)	What does the command ls do?

A.	Opening a file

B.	Display of the contents of a file

C.	Display of files and folders, present in the folder where you are

D.	Shows a calendar

Q.2)	How can you display a list of all files, including the hidden files?

A.

find all

B.

ls –a

C.

ls –b

D.	all the answer, a,b and c

Q.3)	What is the correct command to list files and folders in UNIX?

A.

list

B.

ls

C.

dir

D.

listfiles

Q.4)	What command do you have to use to go to the parent directory?

A.

cd -

B.

cd ~

C.

cd /up

D.

cd ..

Q.5)	What command makes an empty directory?

A.	mkdirectory

B.	makedirectory

C.

mkdir

D.

newdir

Q.6)	What does cd .. do?

A.	Not a valid UNIX command

B.	Logs out of the computer

C.	Changes the working directory to the login directory

D.	Changes the working directory to the parent of the current working directory

Q.7)	Why is man command used?

A.	To Shutdown A System

B.	Search All Files

C.	Deleting Files

D.	Getting Help Command on Format

Q.8)	Why is PWD Command Used?

A.	show current user

B.	show present working directory

C.	to display error massages

D.	to copy files

Q.9)	The command used to display a specified file is:

A.

mkdir

B.

chmod

C.

cat

D.

compress

Q.10)	‘root’ in Unix operating system is represented by:

A.

%

B.

\

C.

$

D.

/

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