sivakumar 
I added root partition in nand of mini2440 board by using the command. Can anyone say the details of the following command in supervivi. Supervivi>part add root 0x00560000 0x40000000 0 part add <name> <offset> <size> <flag> \0x09-- Add a mtd partition entry How to known the offset = 0x00560000 for root. size = 40000000 = how many MB. Flag = 0 how to known the size of partition in mb.