Programming extra mouse buttons

[Jon Homan]

ulrich steffens wrote:

>Am Dienstag, den 18.10.2005, 15:32 -0700 schrieb Adam Hamilton:
>  
>
>>I have a logitech mouseman mouse with a thumb button
>>I'd like to use as "browser back." How can I set it to
>>do that? Anyone know?
>>
>>    
>>
>hi,
>take a look at this
>
>https://wiki.ubuntu.com/IntellimouseMousemanBackForwardButtons
>
>ulrich
>
>
>  
>
I have been wanting to do that too, but I when I open up the config 
file, its read-only. How do I get edit permission to that file?

Jon