Question of availability of emulator of earlier version of Ubuntu

[Robert Heller]

At Sat, 15 May 2021 19:51:26 +0800 "Ubuntu user technical support,? not for general discussions" <ubuntu-users at lists.ubuntu.com> wrote:

> 
> Hello.
> 
> An emulator; wine, is available for emulating (maybe only earlier
> version(s) of) MS Windows, to provide for running applications that
> run on only MS Windows, to run on Linux.
> 
> My wife has a computer that has Ubuntu 12.04 installed on it.
> 
> She will not upgrade the operating system, because she has an
> application on it, that runs on 12.04, and not on later versions.
> 
> So, I am wondering whether an emulator is available, for 20.04, or,
> better, for 21.04, that will emulate 12.04, to allow applications that
> will not run on versions later than 12.04, to run on it.

If your wife's machine has a relatively recent x86_64 processor (eg one that
supports native virtualization), she can run any x86-ish version of Ubuntu
back to the "stone age" as a VM. (Actually, she can even run any x86-ish
version of MS-Windows as a VM also.)

> 
> Thank you in anticipation.
> 

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