What is the use of numeric function sqrt ?
What are Associative Arrays?
What is the use of string function sub(regex,replacement,string)?
What is the use of format specifier %s ?
What is the use of format specifier %c ?
What is the use of numeric function atan2?
What is the use of format specifier %f ?
What is the use of numeric function srand ?
Which shell to use with AWK?
What is the use of string function index(string,search) in AWK?
Write a command to print the fields in a text file in reverse order?
Write a command to print the line number before each line?
What is the use of string function match(string,regex)?