Welcome to LQ. If you look at the blue bar on the top of the forum page, you'll find a link to the tutorial section of LQ.
And of course, Google.
Thank you very much for answer.
I founded Tutorials. :X
You can type 'man <command>' where <command> is the name of a command, and it will give you the manual page for that command. The Internet is full of Linux howtos. This web site has a linux tutorials section, and there is a lot of documentation that comes with each Linux distro. Sometimes the documentation isn't installed with the program package.
First you should probably use Linux for a while, before you try anything fancy. Try this thread:
And Thanks to you for your answer.
I knows man command i didn't have any problem with commands manual.
I said where i can find tutorials because now im reading the manuals
but i didn't knows how i can know problems in linux &...
Again thanks to mdg and AwesomeMachine for answers.