UNIX and Linux Commands Tutorials

Execute A Command In Shell Scripts

How to Execute a Command in a Shell Script?

Shell is a command-line interpreter that allows the user to interact with the system. It is responsible for taking inputs from the user and displaying the output. Shell scripts are a series of commands written….

Install Mysql On Ubuntu

The Complete Guide to Install MySQL on Ubuntu

Let’s learn how to install MySQL on Ubuntu today. MySQL is a free, open-source database management system. This database management system uses Structured Query Language (SQL) to manage data saved in a relational database. Developed….

Bashrc File

What is .bashrc file in Linux?

The .bashrc file is a script file that’s executed when a user logs in. The file itself contains a series of configurations for the terminal session. This includes setting up or enabling: coloring, completion, shell history, command….

Grep and regex - practical examples

10 practical examples of regex with grep

Grep or Global Regular Expression Print is used to search for text or patterns in a Linux system. It can search in files, directories, and even outputs of other commands. Regular expressions are patterns that….

Tr Command in linux

Using the tr command in Linux to play with characters

tr command in Linux translates one set of characters to another. It can replace a character or a set of characters by another character or set of characters. tr reads the input from standard input….

etc/passwd file in linux

What is /etc/passwd file in Linux?

/etc/passwd in Linux is a file that stores the list of users on the system along with important information regarding these users. Identifying users uniquely is essential and necessary at the time of login. /etc/passwd….

how to change root password in linux

How to change the root password in Linux

Let’s go over the simple commands to change the root password in Linux. Linux root refers to a special type of user account that has complete unrestricted access to the system. Think of it as….

Top 7 Best Text Editors In Linux

Top 7 Best Text Editors in Linux

Text editors play a major role for Linux users. Whether it is setting up user instructions, editing configuration files or writing code scripts to run on your system, everyone has a text editor which suits….

Linux Desktop Environments

Top 10 Best Desktop Environments in 2020

For all the Linux fans out there, let’s have some of the most beautiful, customizable, feature-rich, and the best desktop environments in 2020! What’s a desktop environment in Linux, btw? For the uninitiated, a desktop….

Netstat Command

How to use the netstat command in Linux

The term “netstat” stands for Network Statistics. In layman’s terms, netstat command displays the current network connections, networking protocol statistics, and a variety of other interfaces. If we enter netstat in the terminal, without any….

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