There's actually a directly analogous case in the gaming world, of all things: the app Mod Organizer 2 uses a runtime virtual file system There's actually a dir

There's actually a directly analogous case in the gaming world, of all things: the app Mod Organizer 2 uses a runtime virtual file system There's actually a directly analogous case in the gaming world, of all things: the app Mod Organizer 2 uses a runtime-only virtual file system to layer together the files from different mod packages, making it easy to adjust for and dynamically disable/enable overlapping mod resource files (of which there can be a huge number in games like Skyrim), as well as redirecting output files from mods to a sane holding area instead of letting them pollute your game installs.