You realise the ignorance and nativity in this statement? I use Ubuntu also, but that doesn't absolve/protect me from all potential issues I may run in when browsing/using the web.
Heck, the original poster may have actually been refering to clearing the cookies to avoid tracking.
However, when things like http://samy.pl/evercookie/ exist, it makes it even more harder to avoid tracking cookies.
Andd moreover, "only I have got access to my computer".
You are every non-ecrypted hop you make from your system to the target network has access to your requests, making you vulnerable to man in the middle attacks.
Heck, the original poster may have actually been refering to clearing the cookies to avoid tracking.
However, when things like http://samy.pl/evercookie/ exist, it makes it even more harder to avoid tracking cookies.
Andd moreover, "only I have got access to my computer". You are every non-ecrypted hop you make from your system to the target network has access to your requests, making you vulnerable to man in the middle attacks.
I think you were/are just a little misguided.