The grep (global regular expression print) command is one of the most useful and commonly used command in Linux systems. Grep command searches given input from files and will write each matching line to output. If files are not specified then grep reads from standard input. This guide explains how to use grep command...
You can create new directory on your Linux systems using command line or using UI of file manager. The mkdir command allows you to create a new directories (folders) on your Linux systems. This guide explains use of mkdir command with examples. Linux mkdir Command Syntax The basic syntax for the mkdir command is...
Linux system reboot required in many circumstances, like troubleshooting hardware issues, installing applications, kernel update, etc. This guide explains how to reboot (restart) the Linux system using command line. In the latest Linux distros includes the systemctl utility. The reboot and shutdown commands are aliases to systemctl and are available in the system for...
Using shutdown command the Linux system will be down in a secure way. When the shutdown command fired all the logged-in users will be notified that the system is going down, and no further logins are allowed. You can shutdown your system immediately or at the specified time. This article explains the shutdown command...
Using sudo command you can perform the actions and operations as root user. It’s the mostly used command for Linux user. It’s always recommended to login as a sudo user instead of as root and perform task. You can give limited administrative privileges to sudo users without providing them root password. This guide will...
APT (Advanced Package Tool) is the command line tool to interact with the packaging system. It helps in handling packages and retrieve the information and packages from the authenticated sources for installation, upgrade and removal of packages along with their dependencies. apt command is a more friendly way to handle packaging. Mostly, to use...
In this article, we will show you how to extract (or unzip) tar.gz and tgz archives. Now a days in the open-source world .zip and .tar.gz files used on a regular basis. Most of Open-source packages are generally available to download in .tar.gz and .zip formats. A group of files converted into a archive...
Less command is used to display contents of any output of command or a file in a single page at a time. Using it you can navigate to backward and forward through the file or output. Less will read file page by page instead of entire files so it will load fast compare to...
You can use cd (“change directory”) command to switch the current working directory in Linux and other Unix-like operating systems. This command is used frequently and it’s basic command to work with Linux terminal. In this guide, we will show you how to use the cd command to navigate your system’s directory tree. cd...
Generally, new linux users confused for directory navigation using command-line. In this article, we explains how you can determine your current working directory using the pwd command. Current Working Directory A directory where currently you are working in is know as Current Working Directory. By default, when you log in to your system, your...