What is awk in shell script?

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What is eval in shell script?

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I want to create a directory such that anyone in the group can create a file and access any person's file in it but none should be able to delete a file other than the one created by himself.

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How do I edit a .sh file?

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How would you print just the 25th line in a file using smallest shell script?

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What is the significance of $#?

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What does the sh command do?

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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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c program to check whether all the directories in the path exists has read and write permission

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Is shell a part of kernel?

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Explain about "s" permission bit in a file?

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What is the first line in a shell script?

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