University of Pune 2009 M.C.A Computer Aplications Advanced Unix 2005 Pattern - Question Paper

UNIVERSITY OF PUNE
MCA(MANAGEMENT)
(2005 Pattern)(ELECTIVE)
ITE1:ADVANCED UNIX

Time : 3Hours Max.Marks: 70

----------------------------------------------------------------------------------------------------

Instructions:
(1)Q.1 and Q.6 are compulsory.
(2)Solve any 3 from remaining.

Q1. a) Write a program to create a pipe from the parent to child process and send data through pipe.[Marks 10]

b) discuss Directory related system calls with example. [Marks 10]

Q.2 What is race condition? Why race condition occurs? [Marks 10]

Q.3 discuss memory managemnt routines in Unix. [Marks 10]

Q.4 discuss kill,raise,alarm,pause and abort signals with example. [Marks 10]

Q.5 elaborate semaphores? Write a program to create a semaphore. [Marks 10]

Q.6 Write Short Notes any four) [Marks 4x5=20]

a)Semaphores
b)File Sharing
c)Message Queue
d)Environment Variable
e)I/O Multiplexing
f)Orphan process

Earning:   Approval pending.