Write a command delete all line except first line?
What is the use of numeric function srand ?
What is the use of string function length(string) in AWK?
how to run awk command specified in a file?
What are Unary arithmetic operators?
What are AWK Numerical Functions?
What is the use of format specifier %f ?
What is the use of FNR?
How add a first record and last record to the current file in linux?
What is the use of sequence v ?
What are Conditional expressions in AWK?
What is ORS in AWK?
What is the use of systime function?