Open Source Technologies - May 2016

Information Technology (Semester 5)

TOTAL MARKS: 80
TOTAL TIME: 3 HOURS (1) Question 1 is compulsory.
(2) Attempt any three from the remaining questions.
(3) Assume data if required.
(4) Figures to the right indicate full marks.

Attempt all four sub questions.

1(a) Explain features of Linux.(5 marks) 1(b) Describe Swap partition in Linux.(5 marks) 1(c) Explain permission on directory(5 marks) 1(d) Describe 'AndriodManifest.xml' file components.(5 marks) 2(a) What is data persistency in Android(10 marks) 2(b) What are major components associated with Android application(10 marks) 3(a) What is an Activity? How is it created?(10 marks) 3(b) Explain concept of vi editor and give commands to move a cursor around, to insert text, to delete text, to cut & paste text, and to save & quit files.(10 marks) 4(a) Explain concept of 'Links' and its types?(10 marks) 4(b) Explain command line editors 'sed' & 'gawk' with example(10 marks) 5(a) Discuss significance of given files-/etc/passwd, /etc/shadow, /etc/group.(10 marks) 5(b) Explain with examples given commands- chmod, chown, chgrp(10 marks) 6(a) Explain following networking command-
sentstat, ping, host, traceroute, roure.(10 marks) 6(b) Write short note on ' process management in Linux(10 marks)