Great to hear your positive experiences using Trisquel. I always found I
could install Trisquel in about 20 minutes too. It's one of its many
advantages.
I agree there's huge potential for Trisquel, and other GNU/Linux distros in
the small and medium business sector. Particularly in todays climate where
cost saving and control is a priority.
About the applications to decipher the command sets. There's various
applications available, depending on what network level your want to work
with.
For example, there's SSH protocol clients like PuTTY, and network analyzers
(network sniffers) like Wireshark. Both are available to install using
Add/Remove Applications. There's lots more tools besides these, just type
"network" into the Add/Remove Applications search box and have a browse.
Ettercap also looks interesting for your purposes.
