PTU B.Tech ECE 6th Semester May 2019 71166 UNIX PROGRAMMING Question Papers

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Total No. of Pages : 02

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Total No. of Questions : 09

B.Tech (Electronic & Computer Engineering) (2011 Onwards) (Sem.−6)

UNIX PROGRAMMING

Subject Code : BTEL-604

M.Code: 71166

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Time: 3 Hrs.

Max. Marks: 60

INSTRUCTIONS TO CANDIDATES :

1. SECTION-A is COMPULSORY consisting of TEN questions carrying TWO marks each.
2. SECTION-B contains FIVE questions carrying FIVE marks each and students have to attempt any FOUR questions.

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3. SECTION-C contains THREE questions carrying TEN marks each and students have to attempt any TWO questions.

SECTION-A

1. Answer briefly :

1. Explain the following commands with example :
   1. closedir
   2. opendir

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   3. readdir
2. What is kernel? Is it similar to the operating system? Explain.
3. Differentiate between head and tail.
4. List the various operations of sed commands.

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5. Define system call.
6. What is file? What are different types of files? Explain.
7. Write a shell script to concatenate two files.
8. What is the difference between symlink and ulink?
9. List applications of sed.

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10. Differentiate between Window and Unix operating system.

SECTION-B

2. Explain the following commands with their syntax and examples.

1. man
2. echo

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3. passwd
4. date
5. ls

3. Explain vi editor and discuss about different modes of operation in vi editor.

4. Explain Korn shell input and output commands with example.

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5. Explain unix file permissions for security.

6. Explain in detail about the mathematical functions of AWK.

SECTION-C

7. Explain the architecture of UNIX operating system in detail.

8. a) Explain various Special Parameters and Variables in C shell programming.

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b) What is redirection? Explain standard redirections.

9. a) Discuss in detail about grep family of commands.

b) Explain in detail the following networking commands.

1. du
2. mount

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3. telnet
4. df
5. finger

NOTE : Disclosure of identity by writing mobile number or making passing request on any page of Answer sheet will lead to UMC case against the Student.

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