Operating System
WHOIS is a TCP-based query and response protocol that is commonly used to provide information services to Internet users. It returns information about the registered Domain Names, an IP address... Read more
tr (short for translate) is a useful command line utility that translates and/or deletes characters from stdin input, and writes to stdout. It is a useful program for manipulating text... Read more
Device or system hostnames are used to easily recognize a machine within a network in a human readable format. It is not much of a surprise, but on Linux system,... Read more
If you’ve ever used Debian or a Debian based distribution like Ubuntu or Linux Mint, then chances are that you’ve used the APT package system to install or remove software.... Read more
When it comes to gaining absolute control over your Linux system, then nothing comes close to the command line interface (CLI). In order to become a Linux power user, one... Read more
Although Vim (short for VI Improved) is a popular text editor on Linux systems, people still find it hard to learn, it has a steep learning curve especially the advanced... Read more
Debian-goodies is a package that includes toolbox-style utilities used to manage Debian and its derivative systems such as Ubuntu, Kali Linux. The utilities under this package are developed in such... Read more
Do you want to find all files that contain a particular word or string of text on your entire Linux system or a given directory. This article will guide you... Read more
Systemd is a modern init system for Linux: a system and service manager which is compatible with the popular SysV init system and LSB init scripts. It was intended to... Read more
Sometimes you get into a situation where you need to delete all files in a directory or simply cleanup a directory by removing all files except files of a given... Read more