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USNThird Semester B.E. Degree Examination, Dec.2019/Jan.2020
UNIX and Shell Programming
Time: 3 hrs. Max. Marks: 100
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UNIX and Shell Programming
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Time: 3 hrs. Max. Marks: 100Note: Answer any FIVE full questions, choosing ONE full question from each module.
Module-1
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b. Explain the following commands with options and example: head tail cut paste. (08 Marks)c. Write a menu driven shell script using case statement to perform all arithmetic operations.
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Module-5
9 a. What is a process? Explain the mechanism of process creation.
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b. Explain the following commands with options and example : ps kill at bg.c. Write a perl script to check whether the given year is a leap or not.
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OR10 a. Explain string handling functions in perl. (08 Marks)
b. Explain with example, how the variables are defined and initialized in perl. (06 Marks)
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