---
name: "intro"
section: "5"
platform: "linux"
package: "man-pages"
version: "6.19-1"
release: "Arch Linux 2026-11-01"
platforms: ["linux", "freebsd", "openbsd", "macos"]
url: "https://new.carta.tech/intro/5"
---

# intro(5)

introduction to file formats and filesystems

## NAME

intro - introduction to file formats and filesystems

## DESCRIPTION

Section 5 of the manual describes various file formats, as well as the corresponding C structures, if any.

In addition, this section contains a number of pages that document various filesystems.

## NOTES

### Authors and copyright conditions

Look at the header of the manual page source for the author(s) and copyright conditions. Note that these can be different from page to page!

## SEE ALSO

[**standards**(7)](/standards/7.md)