What is flatpak command in Linux?

Flatpak is a software utility for software deployment, application virtualization, and package management. It allows developers to build and distribute applications in an easy, platform-independent way. With Flatpak, applications can be installed and run on different Linux distributions without the need for modifications, providing a sandboxed environment for better security.

# Example of using flatpak command to install an application
flatpak install flathub org.freedesktop.pngimg