Hello and welcome,if your a beginner and your wondering how everybody can do cool stuff,but you can't.So i'm here to teach you the basics.
(no spaces)

bold=[ b ]text[ / b ]
bold=test

underline=[ u ]text[ / u ]
underline=test

links=[ a= http://address .com ] text [/ a]
links=dsipaint

color=[ color= blue ]text[/ color]
color=test

Welldone thats all for today.Remember NO SPACES.