Write a command delete all line except first line?
What are Assignment Operators?
What is the use of sequence ?
What is the use of CONVFMT?
What are Dynamic Variables?
What is the use of string functiong sub(regex,replacement,string)?
What is the use of format specifier %e ?
What is the use of SUBSEP?
What is the use of numeric function sin ?
What is the use of numeric function exp ?
What is the use of ARGIND?
What are AWK Numerical Functions?
what are divisions main frems