Linux+ Certification [closed]
Solution 1:
This is the place to start, get your info, get your tests and do your certifications: http://www.lpi.org/
Check this sites also: http://www.linuxcertified.com/
http://www.redhat.com/training/certifications/rhce/
Solution 2:
I'd recommend you start with this tutorial by Ryan Chadwick
Go step by step and try to implement it on terminal.
The best way to self-learn Linux is to get a ebook like Linux for Dummies and to replicate each command trying understand what they do. If this is done on a live Linux server, the results may be catastrophic, so I suggest you install free virtual machine software like Oracle VirtualBox and install any flavour of Linux in it to play around.