It is possible to use windows as a mere kernel. Much desktop software on a modern linux distro is portable. Even your example, winrar, can be replaced by peazip

It is possible to use windows as a mere kernel. Much desktop software on a modern linux distro is portable. Even your example, winrar, can be replaced by peazip or 7zip. I actually saw some people using mostly FLOSS on windows as a step before full migration away from it.