One really important thing about computer programming is that you need to get your syntax correct before launching! It is only because human minds are so amazing that any sense at all can be made of your question. You will get much more help here and in other on-line resources if you spend the time to clean up your entry before posting. I can appreciate that English may not be your primary language, but it will be well worth your time to at least separate your thoughts into recognizable sentences. It is also more polite to create an identity and log in.
in reply to Learning/Using Perl on Linux
All that witching aside, welcome to our community! :-D
shows which version of Perl is usable by you, and
shows where the interpreter is installed.