How to separate one video file avi?

how to separate one video file avi? i need the two files because i cant burning 1.87gb

VirtualDub comes to mind as a program that can handle lots of AVI formats, do simple cuts, copy the stream instead of re-encoding and best of all, is free!

Vdub should be fine , go here for download & guides.

Any virtualdub or nandub clone.