Patent ID: 8327096

Claim:
A method for creating N customized disk images in a computer device, said method comprising: creating N identical disk images from a master disk image where N is a whole number greater than 2; applying customizations to a created first identical disk image among the N identical disk images according to one or more customization scripts describing the customizations, said applying comprising: analyzing said customizations to said created first identical disk image once, and determining, from said analyzing, block-level operations to be applied on specific locations in said identical disk image; and saving to a memory storage device, said block-level operations performed on the first identical disk image while applying the customizations to the first identical disk image; and subsequently re-using the saved block-level operations for concurrent or simultaneous application to other N−1 identical disk images to be similarly customized, wherein the N identical disk images becomes the N customized disk images after performing the customizations and the similar customizations.