What is the use of numeric function sqrt ?
What is the use of OFMT?
Write a command to print the line number before each line?
What is the use of format specifier %e ?
What is the use of format specifier %o ?
What is the use of string function sub(regex,replacement,string)?
What is the use of string function asorti(string,[d])?
What is the use of string function tolower(string)?
What is the use of format specifier %d ?
Write a command to print zero byte size files?
Write a command to print the squares of numbers from 1 to 10 using awk command?
What is the use of numeric function srand ?
Write a command to print first and last line using sed command?