That keyboard layout doesn't seem particularly well-suited to programming. Then again, it doesn't seem particularly well-suited to typing Italian, either, though I now understand why Italians often write E' instead of È.

And this, ladies and gentlemen, is why all programmers, sysadmins and so on use a US keyboard layout.

It might go a long way to explaining why I don't come across many Italian Unix sysadmins, and the few I have come across coded their system scripts in php.

No. But I /do/ occasionally use bash, or call out to the shell from scripting languages...