STUPIDSID
1 (a)
Discuss the differences between ANSI C and K & R C with example for each.
10 M
1 (b)
What are the API common characteristics? List any six values of the global variable errno along with their meanings whenever API's fail.
10 M
2 (a)
Explain the command to create different file types supported by UNIX.
6 M
2 (b)
Explain UNIX Kernel support for files with a neat diagram.
8 M
2 (c)
Differentiate symbolic links and hard links.
6 M
3 (a)
Explain the following general file API's.
i) open() ii) fcntl() iii) Iseek()
i) open() ii) fcntl() iii) Iseek()
12 M
3 (b)
Explain Symbolic Link file API's.
8 M
4 (a)
Draw and explain the summary of starting and terminating a C program.
6 M
4 (b)
With a neat sketch, explain the memory layout of a C-program.
6 M
4 (c)
Explain exit, _exit and atexit functions with their prototypes.
8 M
5 (a)
What is a race condition? Write a program for generating race condition.
8 M
5 (b)
Explain in detail the family of exec functions.
12 M
6 (a)
What are signals? Write a program to setup signal handler for the SIGINT signal using sigaction API.
6 M
6 (b)
What is signal mask of a process? Explain sigprocmask function along with its prototype.
6 M
6 (c)
Define daemon process. Discuss the basic coding rules of the daemon process.
8 M
7 (a)
Discuss the applications of FIFOs.
4 M
7 (b)
Explain Popen and Pclose functions.
6 M
7 (c)
Explain different API's used with message queues.
10 M
8 (a)
Explain shmget, shmctl, shmat and shmdt functions.
12 M
8 (b)
Write short notes on client server properties.
8 M
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