This article will guide you on the steps to install #GCC on Ubuntu 20.04. Also you will learn the method of running a basic C program by making use of this #compiler. To install GCC on #Ubuntu: 1. Start by updating the packages list: sudo apt update. 2. Install the build-essential package by typing: sudo apt install build-essential. 3. To validate that the GCC compiler is successfully installed, use the gcc --version command which prints the GCC version: gcc --version.