What is the use of format specifier %x ?
What is the use of string functiong sub(regex,replacement)?
What is the use of string function index(string,search) in AWK?
What are Conditional expressions in AWK?
What is FS in AWK?
What is the use of string function match(string,regex)?
What is the use of string function strtonum(string)?
How to print only blank line of file?
What is the use of string function gensub(r,s,h [,t])?
What is the use of sequence ?
What are Associative Arrays?
What are System functions?
what is java script allabout