How to Install GCC and G++ Compiler on Ubuntu 26.04 LTS | C/C++ Setup

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# How to Install GCC and G++ Compiler on Ubuntu 26.04 LTS (Linux) | Complete Guide In this complete beginner-friendly tutorial, you'll learn **how to install the GCC and G++ compilers on Ubuntu 26.04 LTS Linux**. GCC is the GNU Compiler Collection and provides the standard C compiler on Ubuntu, while G++ is the GNU C++ compiler. Ubuntu's official developer documentation recommends installing the `gcc` and `g++` packages through APT. We'll also show you how to install the **Build Essential** package, which is often the easiest option when setting up a complete C/C++ development environment. On Ubuntu 26.04 LTS, `build-essential` depends on GCC, G++, the C development libraries, and `make`. ## What You'll Learn In this tutorial, we'll cover: * What is GCC? * What is G++? * GCC vs G++ * Why you need a C/C++ compiler * Installing GCC on Ubuntu 26.04 LTS * Installing G++ on Ubuntu 26.04 LTS * Installing the `build-essential` package * Checking GCC and G++ versions * Creating your first C program * Compiling a C program with GCC * Creating your first C++ program * Compiling a C++ program with G++ * Running compiled programs * Understanding compiler errors * Troubleshooting GCC/G++ installation problems ## Step 1: Open the Ubuntu Terminal Start by opening the Terminal application. You can use the keyboard shortcut: ## GCC vs G++ It's important to understand the difference: | Compiler | Primary use | | ----------------- | --------------