STUPIDSID
1 (a)
With a neat diagram, explain the architecture of UNIX operating system. List the features also.
8 M
1 (b)
Explain the parent-child relationship of UNIX file system with a diagram.
6 M
1 (c)
Explain with examples:
i) Absolute pathname and relative pathname
ii) Internal and external commands.
i) Absolute pathname and relative pathname
ii) Internal and external commands.
6 M
2 (a)
Interpret the significance of seven fields of ls -l output.
7 M
2 (b)
Briefly explain the different ways of setting file permissions.
7 M
2 (c)
With a diagram, explain 3 modes of Vi editor.
6 M
3 (a)
What are wild cards? Explain the shells wild cards, with examples.
8 M
3 (b)
What is a process? Explain the process creation mechanism? Why directory changed can't be made in separate process.
8 M
3 (c)
Explain the following environment variables with examples:
i) HOME ii) PATH iii) IFS iv) SHELL
i) HOME ii) PATH iii) IFS iv) SHELL
4 M
4 (a)
What are hard links and soft links? Explain with examples.
6 M
4 (b)
Write a short notes on find command.
6 M
4 (c)
Explain the following filters with examples:
i) head ii) tail iii) cut
i) head ii) tail iii) cut
8 M
5 (a)
Explain grep command with all options.
10 M
5 (b)
What is sed? With example, explain line addressing and context addressing.
10 M
6 (a)
What is shell programming? Write a shell script to create a menu which displays:
i) List of files ii) Contents of a file iii) process status
iv) Current date
v) Clear the screen vi) Current users of system.
i) List of files ii) Contents of a file iii) process status
iv) Current date
v) Clear the screen vi) Current users of system.
10 M
6 (b)
Explain the shell features of 'for'. With syntax and examples.
10 M
7 (a)
What is an AWK? Explain all the built in variables used by awk.
10 M
7 (b)
With syntax and examples, discuss the control flow statements used by awk.
10 M
8 (a)
Write a Perl script to demonstrate the use of chop function.
6 M
8 (b)
Write a perl script to find the square root of command line arguments.
6 M
8 (c)
Explain the string handling functions of Perl with appropriate examples.
8 M
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