How do I access dos partitions?

Hi, as a novice linux user, I was wondering if anyone could tell me how to access my dos partition from within linux. My computer is setup with a linux partition, a linux swap partition and a dos partition.   Also, is there any program that will let me choose which operating system to boot up

partition problem

Hello, I'm having a problem partitioning my hard drive with the install program. Once I run install.bat, I can setup the colour monitor and the keyboard. The next step is to partition the hard drive and this is where I am having problems. I keep getting the following error:     'Fatal error: