Install,Uninstall,Remove,Update Package through apt-get in Ubuntu

In this article, i’ll explain what is apt-get utility, how to install,uninstall,remove,update package through apt-get in Ubuntu.

What is apt-get

apt-get is a powerful command-line tool used for package management in Debian Linux distribution. It used to work with Ubuntu’s APT (Advanced Packaging Tool) library to Install/manage individual packages , Remove installed package, Upgrade packages etc.

Chmod Command – How to Change File, Directory Permissions in Linux

How to change file and directory permissions in linux using chmod command.

In Linux operating system everything is a file. If it is not a file then it’s a process so everything has default permission assigned. File permission defines which file has read,write,execute permission and for which user group.

In this article you will learn how file permissions work and how you change file permissions using chmod command.

Top Ten (10) Linux Commands For Beginners

If you are started learning Linux or any Linux distros (such as Ubuntu,Fedora etc) here is a list of top ten Linux commands for beginners.

Top Ten (10) Linux Commands For Beginners

grep Command

grep command is used to search a string or word in a file. It searches for given arguments by users and return the matching lines.