Hi,
> 2 Questions please:
>
You're currently asking on the public tails development mailing list.
I'll answer here now, but please ask further public usage questions on
the dedicated tails-support@??? mailing list.
> 1) I managed to convince a friend that Tails is the way forward in
> terms of Secure/Hack-proof internet browsing.
> However he has some IT background and would like to have some
> information about the "Firewall" in Tails? How secure is it or maybe a
> link to some material about it?
>
Please read
https://tails.boum.org/contribute/design/#index18h3
> 2) I was trying to install a linux package of Truecrypt (see attached
> file) on Tails, however I am new to Linux and a novice can you
> help?...please :-)
> Perhaps a step by step installation instruction as I have tried
> unpacking and simply double clicking the file (like in Windows)
> without success...
Please read
https://tails.boum.org/doc/encryption_and_privacy/truecrypt/
Cheers