ByteScope

ELF executable file format

Executable and Linkable Format — the Linux/Unix binary and shared-object format.

MIME type
application/x-elf
Extensions
.elf, .so, .o, .out
Category
Executables & bytecode

Magic-number signature

0x000000007F454C46·ELF0x7F 'ELF'

About the ELF executable format

ELF is the executable, shared-library and object format used by Linux and most Unix systems; the header also encodes 32/64-bit, endianness and target CPU. The four-byte magic is 7F 'ELF'.

Related formats

Have a file that might be ELF executable? Identify it with the File Type Identifier — it reads the magic number locally, nothing is uploaded. Or browse all formats.