Operating System

We build a server according to our plan and requirements, but what are the intended functions while building a server to make it function quickly and efficiently. We all know... Read more

ps (processes status) is a native Unix/Linux utility for viewing information concerning a selection of running processes on a system: it reads this information from the virtual files in /proc... Read more

In this article, we will review a number of command line tools that act as filters in Linux. A filter is a program that reads standard input, performs an operation... Read more

A computer hostname represents a unique name that gets assigned to a computer in a network in order to uniquely identify that computer in that specific network. A computer hostname... Read more

One of the most important and useful feature added to YUM Package Manager (from version 3.2.25) is the ‘yum history’ command. It allows you to review a full history of... Read more

Have you ever tried to do the partitioning of hard disk larger than 2TB using fdisk utility and wondered why you end up getting a warning to use GPT? Yes,... Read more

In our last article, we’ve explained you how to change user password expiry information in Linux, where we looked at different examples of the chage command. In this article, we... Read more

We come across files and folders name very regularly. In most of the cases file/folder name are related to the content of the file/folder and starts with number and characters.... Read more

In Linux ‘cd‘ (Change Directory) command is one of the most important and most widely used command for newbies as well as system administrators. For admins on a headless server,... Read more

Most applications normally display a feedback using asterisks (*******) when a user is typing a password, but on the Linux terminal, when a normal user runs the sudo command to... Read more