LINUX COMMANDS

The ‘cd’ (change directory) command in Linux/Unix is pretty simple. It is one of the standard routine commands for every Linux user. It permits you to switch the directories from one to another via Terminal. The cd command works based on the absolute path and relative path. Note: If you are a newbie or Windows […]

What is sudo in Linux Systems? Sudo stands for SuperUserDo, which is a default utility on Unix-Linux based systems. In Linux, normal users are not allowed to execute any administrative commands. But, we can use this mechanism to allow a regular user to run any application or command as a root user or  permit only […]

SSH is one of the main key services in Linux/Unix based systems. SSH represents Secure Socket Shell. SSH protocol is used to access the remote server/system with an encrypted method of login by using a default TCP/IP port 22 or a custom based port number. This service is mainly used by System and Network Administrator […]

This article will help to understand what is the use of df command in Linux and how to use df command with multiple options in Linux/Unix. The ‘df’ (Disk Free) command in an inbuilt utility to find the available and the disk usage space on Linux servers/storage. This command is mainly used by all the […]

In Linux/, Unix based system comes with an inbuilt utility ‘ps’ (processes status) to check the information on the running process. The process is nothing, but a program in Linux/Unix to execute a specific task. The ps command in linux is used to monitor all the currently running activities along with USER, PID, %CPU, %MEM, […]

In this article, I will show you how to use the curl command in Linux with 15 practical examples. The curl command is one of the most powerful and useful commands used by web developers /PHP programmers/ System Admins. It is mainly used to transfer data with URLs between remote to the local system. Using […]

In this article, I am going to share another popular command in Linux/Unix platform is named ‘du’ which stands for “Disk Usage”. It is a standard command used to estimate the file space usage (means, in the terminal we can find the exact amount of disk space used by directories and files). We can use […]

In Linux/Unix ‘find’ command is one of the most important and repeatedly used command for searching files and directories. It supports various arguments and options on how to find the files/directories. Even you can find files and folders via GUI in Linux it will be more friendly and easy to use, but the difficult part […]

In Linux/Unix platform ‘ls’ command is one of the most repeatedly used command. I am very sure, this is one of the very first command you have been trained  when you get into the shell/command prompt. This guide will teach you how to use the various options of ‘ls’ command. All the below examples of […]

The echo command is one of the basic and most important commands when you step into the scripting/programming world! It is used to display or print the arguments on the terminal. It is a built-in command to all the distributions (operating System) named ‘shell or bash’. Mostly the echo command is used by developers or […]

In Linux/Unix platforms we can run and schedule many task in the background automatically using ‘Cron and at’ command. Both of the commands can be run either once in a specific time or at any regular interval. ‘Cron’ is the most widely used utility (run based on the commands listed in the crontable called ‘crontab’) […]

In Linux operating systems, cat’ (short for “concatenate “) is one of the most widely used commands. It is a standard Unix application used to concatenate and display files. It has 3 related functions with regard to text files (1. Using the cat command we can see the file contents on a screen. Cat command […]