Install Node.js : We shall learn to setup environment for Node.js and the prerequisites to start developing Node.js applications.

The source files of Node.js applications have extension of “.js”. Any text editor is sufficient to write Node.js code and save it as .js file. To interpret the instructions written in the source .js files, Node.js interpreter is required. The Node.js is available as a binary distributable.

Install Node.js - Instructions for Ubuntu, Windows, MacOS & SunOS - Node.js Tutorial

Install Node.js binary distribution

Download the latest binary distribution from Based on the Operating System and Architecture, download a suitable package. The size would be less than 20MB.

Following are the latest packages available at the time of writing this tutorials (for x64) :


For linux kernel based OS like Ubuntu/MacOS/SunOS

Once the download is complete, we have to extract the package and include it in the path variable.

Go to the downloaded folder, Open a Terminal from there and execute the following commands.

Unzip the compressed package

Make nodejs directory in /usr/local/Replace the file name, if it is different from what you have downloaded.
Move the extracted nodejs package to /usr/local/nodejs/Provide your user password if asked.
Add the path /usr/local/nodejs/bin to PATH environment variableProvide your user password if asked.

Open .bashrc file and append the following line at the end.

Once after adding the line, close the terminal and reopen again.To edit .bashrc, open a terminal and run the following command :

To verify if nodejs path has been added to PATH environment variable, run the following command :

For Windows OSThe value echoed back should have “/usr/local/nodejs/bin”

For installing Node.js on Windows Operating System, double click on the .msi file and follow the prompt step by step. Finishing the prompt should install Node.js with PATH added to the environment variables.

Verify Node.js installation

Using a Text Editor, create a sample file with name verifyNode.js and copy paste the following content to that file.

And run the following command in Command prompt or Terminal from the directory of verifyNode.js


Run Node.js File

Following is the syntax to run a Node.js file

$ node <file_name>


Conclusion :

With this Node.js Tutorial, we have learnt to install Node.js on a computer and verify the installation by executing a sample .js file.