Question

QUESTION 1

1. What will be the output of following Unix command:

   find / -name ‘*’

   	A.	List all files and directories recursively starting from /
   	B.	List a file names * in /
   	C.	List all files in / directory
   	D.	List all files and directories in / directory

QUESTION 2

1. Which command is used to extract a column/field from a text file / input.

   	A.	paste
   	B.	get
   	C.	cut
   	D.	tar

QUESTION 3

1. Which command creates an empty file if the file does not exist?

   	A.	cat
   	B.	touch
   	C.	tr
   	D.	pid

  

QUESTION 4

1. Command used to count number of characters in the file / input is:

   	A.	grep
   	B.	count
   	C.	wc
   	D.	cut

QUESTION 5

1. Which of these commands could be used to show one page of output at a time?

   	A.	Less
   	B.	sed
   	C.	pause
   	D.	grep

  

QUESTION 6

1. Which command is used to display all the files including hidden files in your current working directory?

   	A.	ls
   	B.	ls -a
   	C.	ls -l
   	D.	ls -R

QUESTION 7

1. Which command is used to write the system date in the mm/dd/yyyy format?

   	A.	date +%mm/%dd/%yyyy
   	B.	date +%m/%d/%y
   	C.	date +%m/%d/%YY
   	D.	date +%m/%d/%Y

QUESTION 8

1. How will you display the contents of file Test.c one page at a time?

   	A.	man Test.c > more
   	B.	cat Test.c < more
   	C.	cat Test.c | more
   	D.	man Test.c < more

QUESTION 9

1. Unix command, sed is used to:

   	A.	Modify selective contents of a file
   	B.	Perform complex calculations
   	C.	Print selective contents of a file
   	D.	Both a and c

  

Answer 1

Q1- find / -name'*' List all files in / directory
Q2-Which command is used to extract a column/field from a text file / input - cut command
Q3-Which command creates an empty file if the file does not exist? - touch
Q4-Command used to count number of characters in the file / input is- wc which is word count
Q5-Which of these commands could be used to show one page of output at a time?- less
Q6-Which command is used to display all the files including hidden files in your current working directory?- ls-a
Q7-date +%m/%d/%Y
Q8-How will you display the contents of file Test.c one page at a time- cat Test.c|more
Q9-Both a and c because it can do multiple functions such as search find and replace.

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