[yonilobo]

It must work on Linux and I prefer that it works on the net.

I know touch typing well. I only want to improve my speed.

[jakedounut344]

why install something when you can go to www.nimblefingers.com

[Tech109]

You could try a web-based solution like this:

http://www.powertyping.com/

It has typing tests and typing practice. Since it is on the web, will work in Windows/Linux/Mac.

[Cew27]

in ubuntu.
applications/add remove/ education tab/ search for type