1. Unix OS was first developed by

a. Dennis Ritchie

b. Bjarne stroustrup

c. Ken Thompson

d. Brian Kernighan

2. Unix OS was first developed at

a. Microsoft corp. USA

b. AT & T Bell Labs, USA

c. IBM, USA

d. Borland International, USA

3. Unix is written in

a. C language

b. Ada language

c. Perl language

d. Pascal language

4. Unix is a

a. Single User, Single tasking OS

b. Single User, Multi-tasking OS

c. Multi-User, Multi- tasking OS

d. None

5. Which of the following is a command for searching
a pattern in a file?

a. Find

b. b. group

c. c.look up.

d. None

6. Unix Command can be typed in

a. Lower case

b. Upper case

c. Both the cases

d. None

7. Shell Program is stored in a file called

a. Unix

b. Sh

c. Dd

d. Cc

8. Which shell offers a command history feature

a. C shell

b. Visual shell

c. Bourne shell

d. Korn shell

9. The minimum number of links for any directory file
are

a. 3

b. 4

c. 1

d. 2

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Correct Answers

1. C

2. B

3. A

4. C

5. B

6. A

7. B

8. C

9. D