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What is the first line in every perl script called?


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More Shell Script Interview Questions

I have to write Shells (Linux + Unix)for publishing packages and reports. Is it possible ? What are the differents executable programs ineed to call ?

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What is the meaning of $1 in shell script?

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There is a record with fields namely name,roll no.,salary,grade etc.Now,write a script to create a file with multiple records have same combination of fields but with unique roll numbers.The script should work for different names in the input file.

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What is echo in shell?

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What are the different communication commands available in the shell?

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Determine the output of the following command: [ -z “” ] && echo 0 || echo 1

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What is shift command in shell script?

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How do you print the output the same string which is typed in command line. how do you write the shell script or command for this. if i entered "Hello" in command line, it should print 'Hello', if i say "Hello Welcome", i should get the "Hello Welcome" as output.?

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How would you compare the strings in a shell script?

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What does echo $0 do?

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Why should we use shell scripts?

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How would you replace the n character in a file with some xyz?

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