First of all I'm sorry for such a question, I look over the internet and google searches but there so many different ideas out there. *In a mail-list I actually see that people claim that one need to buy Mono license to use it in a commercial tool.*

**Can I use Mono XSP in a commercial tool, does licensing permits that?**

I'm not good with reading legal documents. And trying to figure what this exactly means. In the XSP package I've got this COPYING file:

> 
> 
> ```
> Copyright (c) 2002, 2003, 2004 Novell, Inc. and the individuals
> 
> ```
> 
> listed
>  on the ChangeLog entries.
> 
> 
> 
> ```
> Permission is hereby granted, free of charge, to any person obtaining
> a copy of this software and associated documentation files (the
> "Software"), to deal in the Software without restriction,
> 
> ```
> 
> including
>  without limitation the rights to use, copy, modify, merge, publish,
>  distribute, sublicense, and/or sell copies of the Software, and to
>  permit persons to whom the Software is furnished to do so,
>  subject to
>  the following conditions:
> 
> 
> 
> ```
> The above copyright notice and this permission notice shall be
> included in all copies or substantial portions of the Software.
> 
> THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
> EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
> MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
> NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
> LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
> OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
> WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
> 
> ```
> 
> 

My understanding is "Yes I can use and modify it as soon as I leave a copy of this file with my distribution"

Am I right?