One must know the answers for at least these questions of USP

First

Q.Nos	Questions
1 a.	What is UNIX? Describe the salient features of UNIX operating systems.
b.	Explain different types of files supported by UNIX.
2 a.	With neat diagram, explain the architecture of UNIX operating system.
b.	Explain with examples. i) Absolute pathname and relative pathname                                                        ii) internal and external commands.
3 a.	What are file attributes? Explain two ways to change the file permissions with example.
b.	Explain the following commands in brief with examples. cat, cp, wc

Second

Q. Nos	Questions
1 a)	Discuss the three modes vi editor with commands.
b)	Explain Escaping and Quoting with examples.
2 a)	Discuss pattern matching with wild-cards
b)	Explain the Three Standard Files used for Redirection.
3 a)	Write a note on Unix utilities ‘grep’ and ‘egrep’
b)	Explain in brief about the commands: pipe, tee and command substitution

Third

Q. Nos	Questions
1 a)	What is shell script? Write a shell script to read pattern and file name to search from given input file using grep command.
b)	Explain cut, paste and here document operator >> with examples
2 a)	Explain the while and until loop statements supported by UNIX with syntax and examples.
b)	Explain sort utility supported by UNIX with examples.
3 a)	What is process in UNIX? Explain parent-child processes with example.
b)	Discuss ps command with different options supported by UNIX.