Operating System

Back in the mid-1990’s when the Internet was still in its infancy, a Swedish programmer named Daniel Stenberg started a project that eventually grew into what we know as curl... Read more

Package Manager is software which allows a user in case of installation of new software, up-gradation of system, or updating any specific software and such sorts of things. In case... Read more

As an alternative to cron job scheduler, the at command allows you to schedule a command to run once at a given time without editing a configuration file. The only... Read more

In this guide we are going to look at how to use a script and scriptreplay commands in Linux that can help you to record commands and their output printed... Read more

In this post will guide you simple steps to reset forgotten root password in RHEL, CentOS and Fedora Linux with example. There are various ways to reset root password which... Read more

Occasionally, while dealing with files in Linux terminal, you may want to clear the content of a file without necessarily opening it using any Linux command line editors. How can... Read more

As a newbie, one of the many things you should master in Linux is identification of devices attached to your system. It may be your computer’s hard disk, an external... Read more

We often use “mv” command to rename a single file in Linux. However, renaming multiple or group of files quickly makes it very difficult task in a terminal. Linux comes... Read more

Host command is a minimal and easy-to-use CLI utility for performing DNS lookups which translate domain names to IP addresses and vice versa. It can also be used to list... Read more

stat command is a useful utility for viewing file or file system status. It retrieves information such as file type; access rights in octal and human-readable; SELinux security context string;... Read more