What is the use of "$?" Sign in shell script?


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More Shell Script Interview Questions

what is the difference between sh & bash shell?

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What are the advantages of bash over all other shells?

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How shell works?

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What is the best scripting language?

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There are three departments A,B and C.Write a query to display the names of all the persons( in departments other than A) who are paid higher than the person receiving the lowest salary in DEPT A

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How to enable the shell to know what program should be run to interpret the script?

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write a shell script that counts a number of unique word contained in the file and print them in alphabetical order line by line?

6 Answers   IBM, Wipro,


Explain about "s" permission bit in a file?

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What is an sh file?

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write a scwipt that a) takes exactly one argument, a directory name. b) if the number of argument is more or less than one,print a usage message c) if the argument is not adirectory, print another message d) for the given directory, print the five biggest files and the five files that were most recently modified. e) save the output to a file called q2output.

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How does shell scripting work?

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How does path variable work?

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