What is a shell? It’s the visible part of an operating system that users interact with, users interact with the operating system by providing comma…
Nmon is a fully interactive performance monitoring command-line utility tool for Linux. It is a benchmark tool that displays performance about the …
One can use a variety of network tools to perform tasks such as obtaining information about other systems on your network, accessing other systems,…
There are very few methods available which claim to be successful for DDoS or any type of network loss. Let’s see one of such method to perform DDo…
Very often in linux, we execute a command only to see an error displaying ‘Permission denied.’ Then we realize that we had forgotten sudo b…
If a user wants a quick view of calendar in Linux terminal, cal is the command for you. By default, cal command shows current month calendar as o…
exit command in linux is used to exit the shell where it is currently running. It takes one more parameter as [N] and exits the shell with a …