retroarch:tldr:60043

RetroArch is a powerful and versatile emulator frontend that allows you to play old games on modern devices. It is a command used to launch the RetroArch software, which provides a unified platform for running various retro game emulators.

When you execute the "retroarch" command, it starts the RetroArch program. RetroArch is designed to be a hub for different game emulators, so it acts as a graphical user interface (GUI) for managing and emulating multiple classic gaming systems. It supports a wide range of platforms, including consoles like NES, SNES, PlayStation, and more.

Once launched, RetroArch enables you to configure and control various settings for each emulator, such as input controls, graphics options, audio settings, and even shader effects. It offers a user-friendly interface and unified controls, making it easier to switch between different emulators and games without exiting the program.

By using RetroArch, gamers can enjoy a vast library of classic games from different consoles, all in one place. It also supports features like save states (the ability to save and load game progress at any point), netplay (playing multiplayer games online), and recording gameplay.

Overall, the "retroarch" command opens up the RetroArch software, providing a convenient way to play retro games on modern devices, while offering customization and advanced features not found in standalone emulators.