New 2 Linux + OMAP-- Need help

Hi All,
I am a CS graduate. Recently joined an org. in Multimedia & Embedded
domain. Need to understand the basic concepts of porting Linux & other OSs on Omap 2430/2420 and DM 6446 platforms, OS images & their usage, how embedded OS differs from PC based OS, how does Microsoft VC CCS2.0 help in it etc. Please tell me any good link for getting this info.

Thanks in Advance,
Taru Varshney