this post was submitted on 09 Apr 2026
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I don't know, but I would have thought that the key task of the OS is to provide an abstraction that allows apps to run on supported hardware. So it takes care of file access and creation, outputing to the screen, interacting with external devices such as keyboards, webcams etc.
If you already have a browser running, you already have some kind of OS taking care of those low level details.
So a docker container isn't running an os?
Depends on the container, but yeah, there might not be an os at all.
So basically your browser (or main OS maybe) is just a hypervisor for this.