I recently read a blog where the author was ranking OS'es by how secure they are and he put at bottom in terms of security, then Windows 95, 98, XP, etc. Finally, he put some Linux or Unix distro at the top. But how can DOS be insecure since it has none of the common vectors of attack like JavaScript, Flash, cursor buffer, shockwave, etc.? I know that George Martin famously wrote GoT on an airgapped DOS computer, but what exactly are the risks of DOS?

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@Limax My understanding why he could rate dos as having the worst security is because dos, 95, 98 and me don't have file permissions. anyone who has physical access to the system essentially can do whatever they want to them, and even remotely in some cases.

@unicornfarts It is a single user system. But I can't see how it could be hacked if it is used the way it was originally intended.

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