Linux

This is the first article on the new awk tutorial series. We’ll be posting several articles on awk in the upcoming weeks that will cover all features of awk with practical examples. In this article, let us review the fundamental awk working methodology along with 7 practical awk print examples. Awk Introduction and Printing Operations Awk is a programming language which allows easy manipulation of structured data and the generation of formatted reports....

Swap is very useful for that system which required more RAM that physical available. If memory is full and system required more RAM to run applications properly it check for swap space and transfer files there. In general terms, swap is a part of the hard disk used as RAM on the system. I have a virtual machine running which don’t have swap on it. Many times services got crashed due to insufficient memory....