What is the use of format specifier %o ?
What is the use of string function gensub(r,s,h [,t])?
What are Dynamic Variables?
Write a command delete all line except first line?
What is the use of sequence ?
What is the use of format specifier %g ?
What is RS in AWK?
What is the use of ARGV ?
What is the use of sequence xdd ?
What is the use of numeric function int ?
What is the use of PRINTF?
What is the use of string functiong sub(regex,replacement)?
Write a command to print first and last line using sed command?