Why 3 Respository Lists in /etc/apt ?

[Dieter Schicker]

mtyoung wrote:
> What's the difference between these three files?
> If you edit one do you need to change the others to match?
> 
> /etc/apt/sources.list
> /etc/apt/sources.list.save
> /etc/apt/sources.list_backup

The second and the third one are only backups made by the editor you use
or maybe even by synaptic (I'm not sure about this).

Dieter