how do u convert an entire cd to a self extracting file like haloce

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i have halo pc on cd and i want to convert it to a self extracting file like halo ce(custom edition) if it is possible please by all means tell me and i can do it-probably- i mean is there a program or what the reason i want to know how to do this i becouse i made a custom cd that can hold 6 gigs and i want to put halopc, haloce and all the stuff needed for that onto a disk