What is the use of FIELDWIDTHS?
What is the use of FNR?
What is the use of string function substr(string,position,max) in AWK?
How to Truncate Integers in AWK?
What is the use of ARGV ?
What is the use of string function gensub(r,s,h [,t])?
Write a command to print first and last line using sed command?
How to generate random numbers in AWK?
What are Assignment Operators?
What are Unary arithmetic operators?
What is the use of string function sub(regex,replacement,string)?
What is the use of ERRNO?
What is the use of RSTART, RLENGTH and match ?
What are AWK Built-in Variables?
What are Associative Arrays?