What is FS in AWK?
What is the use of string function toupper(string)?
What is the use of string function sub(regex,replacement)?
What is the use of string function substr(string,position) in AWK?
What is the use of format specifier %s ?
What is the use of sequence v ?
What is the use of sequence a?
How add a first record and last record to the current file in linux?
What is NR in AWK?
What is the use of string function length(string) in AWK?
what are divisions main frems
What is the use of numeric function sqrt ?
What is the use of ERRNO?