upgrade or clean installation?

[Daniel Carrera]

Lutzer wrote:
> What happens if in Ubuntu current+1 an application X is additionally
> installed by default or if application Y is not anymore installed by
> default but Z instead? What about configurations/data like, for example
> the background desktop image? Does an upgrade take care about such changes?

An upgrade should take care of those changes. I'll answer your questions 
in order:

* X gets installed.

* Z will get installed. If Y is deprecated, or replaced by Z, then it is 
removed. There may be cases where the upgrade may not realize this. For 
example, it may not realize that OpenOffice 2.0 is supposed to replace 
OpenOffice 1. But I understand that "aptitude" can deal with these issues.

* Your configuration and data is preserved, including your background 
desktop image.

Hope that helps.

Cheers,
Daniel.
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