GUG/W/18/934 1 P.T.O
Post Graduate Diploma in Computer Commercial Applications (PGDCCA) One Year
P3 Introduction to Operating System Paper-III
P. Pages 2 GUG/W/18/934
Time Three Hours Max. Marks 80

Notes 1. All questions are compulsory and carry equal marks.
2. Draw neat and clean diagram wherever necessary.
3. Avoid vague answers and write answers relevant and specific to questions only.
1.
Either

What is operating system. Explain Simple Batch System in detail.
8

What is Multiprogramming system? Write advantage of Multiprogramming system.
8
OR

State the difference between Parallel system and Distributed system.
8

What is Real time system? Write Limitation of Realtime system.
8
2.
Either

Define DOS. Explain different file types in DOS.
8

Explain whole Directory structure with neat and labelled diagram.
8
OR

What is Booting? Discuss warm and Cold Booting.
8

Explain different types of DOS commands in detail.
8
3.
Either

Write down the concept of Linux. How it is different from other operating system.
8

Explain in detail structure of Linux operating system.
8
OR

Explain in detail and rules of Naming files and directories.
8

What is shall? Write down types of shall in details.
8
4.
Either

What is shell Scripts? Explain Sort and grep with suitable example.
8
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GUG/W/18/934 2

Explain different terms in detail.
Chmod ii) Chown
iii) Chgrp iv) Kill
8
OR

Define shell scripts variables with suitable example.
8

What is control flow statements? Explain different types of it.
8
5.
Solve all questions.
Write a short note on off-line and online processing.
4
Define different terms as under.
Dir ii) MD
iii) RD iv) Tree
4
Explain in short Text editing with Vi editor.
4
What is shell parameters.
4