This idea of a system wide wine seems nice, note that crossover provides
some packaging concepts (bottle)
BTW, Using symlinks could be an alternative for common "read only" files
...
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Wubi/Wine Integration to allow improved transition for new users.
https://bugs.launchpad.net/bugs/207859
You
Also I'll note that it'd be best if Wine supported system-wide
installation of applications before we attempted something like this.
Windows apps are generally installed system-wide, and currently the way
Wine is we can only install separate copies of applications into
individual home folders.
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