Write a command delete all line except first line?
What is the use of numeric function exp ?
What is the use of string function index(string,search) in AWK?
What are Conditional expressions in AWK?
Which shell to use with AWK?
What is the Basic Structure of AWK program?
What is the use of string function strtonum(string)?
What is the use of string function gensub(r,s,h [,t])?
Write a command to find the total number of lines in a file without using nr?
What is the use of RSTART, RLENGTH and match ?
What is the use of ARGV ?
What is the use of format specifier %e ?
What are System functions?