Run other aplication from my code

I wanna know how can I start other aplication from my program ?
For example:
open pps (power point) file.
have a nice day,
Olap from SK
[156 byte] By [Olap] at [2007-11-18 19:28:35]
# 1 Re: Run other aplication from my code
use

process.start("notepad.exe","myTextFile.txt")

I have just written the above off of the top of my head so im not sure which namespace its in.
DecksTerrorT at 2007-11-9 1:37:52 >
# 2 Re: Run other aplication from my code
System.Diagnostics
Acephalus at 2007-11-9 1:38:55 >