What is a Transaction Server? I don't understand how it works?

From: SiRkNiGhT (SiRkNiGhT115@hotmail.com)
Date: 12/24/01 

From: SiRkNiGhT115@hotmail.com (SiRkNiGhT)
Date: 24 Dec 2001 13:31:17 -0800

Hello,
I would like to know what a Transaction server is? what it does and
how can I used it? I am reading the help on it but I still need a
better answer to what it does and how it can help me? anyone knows the
answer? email me at sirknight115@hotmail.com