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Format

Executable and Linkable Format

Summary

Name
Executable and Linkable Format
Version
64bit Little Endian
Identifiers
PUID: fmt/690
Description
The Executable and Linkable Format (ELF) was developed by Unix System Laboratories and is the standard binary format for executables, object code, shared libraries and core dumps in Unix and Unix-like systems running x86 architecture. Generally within Unix and Unix-like systems, ELF files generally do not have a format extension, however some ELF files may be found with a .elf or .o extension.
File extensions
elf, o
Source
Digital Preservation Department / The National Archives

Internal signatures

ELF 64bit LSB

Note
Magic (.ELF) Architecture (01=32bit, 02=64bit) Endianness (01=Little Endian (Least significant byte order) 02=Big Endian (Most significant byte order)) Version (01=format version 1)

Byte sequences

Min Frag Length
Absolute from BOF
Offset
0
Max offset
0
Byte Sequence
7F454C46020101
Endianness
None

Changelog

  • Added in V81

    Release date
    18 February 2015

    Executable and Linkable Format 64bit Little Endian: New signature. Inspired by research conducted by Ange Albertini.

    Executable and Linkable Format 64bit Little Endian: Full entry added.