This tutorial videos will illustrates : 1. What .bash_profile is and Why it is important? 2. How to manage .bash_profile by creating it, open it and delete it? 3. Where it reside in Mac OS and in how many ways we can reach out to .bash_profile? Also, this video makes you guys little bit familiar with .bash_profile. So next time when ever try to set path variables then you should know where you have to place it. (eg: JAVA_HOME, ANDROID_HOME, MAVEN_HOME etc..) Steps to manage .bash_profile: Two ways to check the existence of .bash_profile in Mac Os : First Way : Through GUI : 1. Go to Finder -- Click on Go -- Click on Home or if Home is not there then, Go to Finder -- Go -- Search for Folder and type /Users/HomeDirectory Name and press enter - Home Directory window appears 2. Home directory appears then press (command + Shift + Dot ) - In order to make it visible - Hidden files become visible then search for .bash_profile, If not available then you need to create that one. Second Way: Through Terminal : 1. Go to terminal -- Enter command : ls -al , - ls is used to check the content of directory and since this file is in hidden mode , so to get the hidden files command is -al 2. Search for .bash_profile in directory close to bash_history and bash_session, if not seen then it means you have to create that file. To Create, Open and Delete - Please refer the video. Also Guys, 1. To Download and Install any version of JAVA-JDK with latest steps, please refer my previous video: https://www.youtube.com/watch?v=26sbW2Z3WUk Please Like, Subscribe and Share to this channel. Comments are always welcome to improvise. Thanks you so much Everyone!!!