STUPIDSID
Answer any one question from Q1 and Q2
1 (a)
Draw and explain high level architecture of UNIX systems.
6 M
1 (b)
Write a short note on interrupts and exceptions.
4 M
1 (c)
Explain batch processing and multiprogramming.
2 M
2 (a)
Explain 4 state process diagram.
6 M
2 (b)
What do you mean by user and hardware perspective of operating system?
4 M
2 (c)
List any two functions of an OS.
2 M
Answer any one question from Q3 and Q4
3 (a)
Explain organization of the file hierarchy tree.
6 M
3 (b)
Explain types of files in UNIX.
3 M
3 (c)
Explain input, output and error redirection.
3 M
4 (a)
Explain the entire process of booting (system turn on to login prompt).
6 M
4 (b)
Differentiate between grub and LILO.
4 M
4 (c)
Define a shell.
2 M
Answer any one question from Q5 and Q6
5 (a)
Which two signals can never be ignored?
2 M
5 (b)
Explain signal and kill function with parameters.
4 M
5 (c)
What are real effective and save ids.
3 M
5 (d)
Differentiate between nice and renice (with examples).
4 M
6 (a)
Differentiate between user mode and kernel mode instructions.
4 M
6 (b)
How does a user level process change to kernel mode ?
Explain.
2 M
6 (c)
Explain how kill function can be used to send signal to a
group of processes also give the syntax of kill function.
4 M
6 (d)
What is the shadow password file ? Where does user password reside in UNIX.
3 M
Answer any one question from Q7 and Q8
7 (a)
Write a short note on RAID and its levels.
6 M
7 (b)
Explain the process of mounting and unmounting a pendrive.
4 M
7 (c)
Explain the fields in /etc/group file.
3 M
8 (a)
What is meant by disk partitioning and disk formatting.
4 M
8 (b)
What is the native file of Linux and UNIX. Differentiate between UNIX and Linux.
4 M
8 (c)
What are the startup files ? What are its tasks?
3 M
8 (d)
How to set the password for user account in Linux/UNIX.
2 M
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