What are Conditional expressions in AWK?
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Write a command delete all line except first line?
What is NF in AWK?
What is the use of numeric function rand ?
Write a command to find the sum of bytes (size of file) of all files in a directory?
What is the use of string function strtonum(string)?
Write a command to find the total number of lines in a file without using nr?
What is the use of string function length(string) in AWK?
What is the use of format specifier %g ?
What is the use of SUBSEP?
What is the use of string function index(string,search) in AWK?
Write a command to print first and last line using sed command?
What is the use of ERRNO?