From LQWiki

ELF (executable and linking format) is a format for storing binary executable or object data. It is very common, some Unix and almost all Unix-like operating systems (including Linux) support it natively.

See also

• Library-related Commands and Files - for more information on shared libraries.
• compile
• compiler
• source
• readelf

External links

http://www.theparticle.com/cs/bc/os/elfpecoff.html

Wikipedia:Executable_and_Linkable_Format