GUG/W/18/11737 1 P.T.O
Post Graduate Diploma In Computer Commercial Applications (PGDCCA-CBCS)-I Second Semester CBCS
PCCCAT203.1-Paper III Elective-I Operating System And Linux
P. Pages 2 GUG/W/18/11737
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:-
Define operating system. Explain the need of operating system.
8
Explain Time sharing and Real-Time operating system.
8
OR
Discuss on-line and off line processing in detail.
8
Distinguish between parallel and distributed operating system. Also give the application area were distributed operating system is used.
8
2.
EITHER:-
What is Booting? Explain types of Booting.
8
Explain following DOS command with syntax and Example.
MD ii) RD
iii) DIR iv) CD
8
OR
Explain any four General commands.
8
Discuss Directory structure in detail.
8
3.
EITHER:-
How Linux operating system structure work? Explain.
8
Explain Naming files and directories in detail.
8
OR
Explain Bourne and C-shells in detail.
8
Explain following with syntax and example
Mkdir ii) Cat
iii) Cp iv) Pwd
8
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GUG/W/18/11737 2
4.
EITHER:-
Explain any two permission modes commands.
8
What is shell script? Explain shell parameters.
8
OR
Explain Arithmetic in shell script in detail.
8
Explain ps and Kill command in detail.
8
5.
Attempt all questions.
Explain virtual memory management.
4
Explain XCOPY and ATTRIB command.
4
Write a note on Vi editor.
4
Explain any one control flow statement with example.
4