# 7F 45 4C 46 — File format magic numbers

For 7F 45 4C 46, offset is 0; extension is none, .axf, .bin, .elf, .o, .out, .prx, .puff, .ko, .mod, .so; format is Executable and Linkable Format, recorded from its source on 2026-08-03.

- **Hex signature:** 7F 45 4C 46 _(unconfirmed — we could not tie this to the quote below)_
- **Offset:** 0 _(unconfirmed — we could not tie this to the quote below)_
- **Extension:** none, .axf, .bin, .elf, .o, .out, .prx, .puff, .ko, .mod, .so _(unconfirmed — we could not tie this to the quote below)_
- **Format:** Executable and Linkable Format

## What the source says

> <https://en.wikipedia.org/wiki/Executable_and_Linkable_Format> Executable and Linkable Format [ 25 ]

## Source

- https://en.wikipedia.org/wiki/List_of_file_signatures

Last verified: 2026-08-03. Review by: 2027-08-03.
Part of [File format magic numbers](https://referencesource.org/file-format-signatures/).