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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….

Time C Cpp

How to use the time() function in C/C++?

In this article, we’ll take a look at using the time() function in C/C++. The time() function is a useful utility function that we can use to measure the elapsed time of our program. Let’s….


SQL Triggers – A Comprehensive Guide

Hey, folks! In this article, we will be focusing on SQL Triggers in detail. What is a SQL Trigger? SQL Trigger is a stored procedure/function that gets executed on the encounter of certain actions in….

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….


SQL SELECT Statement with DISTINCT clause

Hey, folks! In this article, we will we focusing on SQL SELECT DISTINCT statement. What is SQL SELECT statement? SQL Select statement is used to select and display particular data from the column of a….

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….

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