What is the use of awk command in unix?
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Write a command to find all of the files which have been accessed within the last 30 days.
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Assume that a file’s permissions give you read and write access. What operations can you perform on the file if it is in a directory which has “r”(read) only process? What operations can you perform on the file if it is in a directory which has “x”(execute) only access?
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Write a command to find all of the files which have been accessed within the last 30 days.
5 Answers Google, IBM, Satyam,
Unix Commands 
