Comparison of executable file formats

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This is a comparison of executable file formats.

	a.out	COFF	ELF	PE	Mach-O	SOM	Hunk	DOS MZ	PEF
Icon	No	No	No	Yes	Un­known	No	Partial	No	No
Metadata	No	No	No	Yes	Yes[1]	No	Yes	No	No
Digital signature	No	No	No	Yes[2]	Yes	No	No	No	No
Symbol table	Yes	Un­known	Yes	Yes[3]	Yes[4]	Yes	Un­known	Un­known	Yes
64-bit	Un­known	Un­known	Yes	Yes	Un­known	No	No	No	No

References

1. http://developer.apple.com/documentation/DeveloperTools/Conceptual/MachORuntime/Reference/reference.html#//apple_ref/doc/uid/20001298-BAJIHABI
2. http://www.microsoft.com/whdc/winlogo/drvsign/Authenticode_PE.mspx
3. http://ou800doc.caldera.com/en/man/html.3elf/elf_getarsym.3elf.html
4. http://developer.apple.com/documentation/DeveloperTools/Conceptual/MachORuntime/Reference/reference.html#//apple_ref/doc/uid/20001298-BAJIHABI