User guide for users migrating from Windows?

I am new user for ubuntu. I want to use ubuntu for my python development. I used windows7 for .net development.

Is there any guide which help me in migration from Windows to Ubuntu?

Another nice document is the Ubuntu Manual

Although the latest version is written for 10.04, it's still not that 'old' and you can find some interesting information there to help you.

Another very helpful document, if interested as a power user to learn some info on server applications is the Ubuntu Server Guide.

Download this Ubuntu Pocket Guide.

Also look at the following links,

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