What is the use of sequence xdd ?
What is RS in AWK?
What is the use of string function match(string,regex)?
What are System functions?
What is the use of string function sub(regex,replacement)?
How to print only blank line of file?
What is the use of sequence ?
What is the use of OFMT?
Write a command to print first and last line using sed command?
What is the use of PRINTF?
What is the use of string functiong sub(regex,replacement,string)?
What is the use of CONVFMT?
What is the use of Strftime function?