Looking for linux simulation program

From: Chrysoula Poli (epoli_at_otenet.gr)
Date: 10/18/03 

Date: Sat, 18 Oct 2003 16:51:13 +0300

I want to study linux and I have a PC that runs windows 98. I 've heard that
there are simulation programs that help you study.
How can I download one of them for free?

Thanks in advance

Xrysa