converting for windows to linux

[mac ten]

Greetings,
My wife's mother works for the IRS as technician of
sorts. Anyway she says that they are thinking of
moving from windows NT to either windows 2000 or
windows XP PRO.

I was reading a book that she got from her work that
talks about fire walls and security.  It said that
linux was the most secure and yet they are not
considering linux.

I thought I would mention it.  I didn't know if anyone
here would be interested in selling the IRS on linux
or at least the building my mother en law works in.

Thank You

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