Slicing universal binaries (OS X) can be done with ditto. To extract the Intel-part of a Universalbinary, do the following: ditto --rsrc --arch i386 Universal_Binary Intel_Binary (Just hinting search-engines as I could not get proper results.)...

If you want to diff binaries, try diff'ing the hexdumps of the two binaries. hexdump binary_a >hexdump_a hexdump binary_b >hexdump_b diff -urN hexdump_a hexdump_b...