learning linux

I am 17 years old (17 days later 18) and I have been interested in computers, internet since I was 10 years old, I have only used windows all my life and now I want to learn linux (linux models). there are data leaks, attacks and similar events every day in my country. I want to know how they...

cam across this awesome website and distro Arco Linux has awesome website which has a "learning path" which different phases to learn all about linux by gradually learning how to use all the different fascets that build up your linux distro It looks great, anybody new to linux or Arch linux...

i have a really old computer and i wanna learn linux on it , by learning linux i mean learning to navigate through the terminal and maybe some simple hacking tools specs: core 2 dou 2 giga ddr2 ram 320 gb hdd gt 9800 edit : thanks for all of your help it is much appreciated