---
name: "zck_read_header"
section: "1"
platform: "linux"
package: "zchunk"
version: "1.5.4-1"
release: "Arch Linux 2026-11-01"
platforms: ["linux"]
url: "https://new.carta.tech/zck_read_header"
---

# zck\_read\_header(1)

display information from the header of a zchunk file

## NAME

**zck\_read\_header** – display information from the header of a zchunk file

## SYNOPSIS

**zck\_read\_header** \[**-c** \| **--show-chunks**\] \[**-f** \| **--verify**\] \[**-q** \| **--quiet**\] \[**-v** \| **--verbose**\] *file*

**zck\_read\_header** **-**? \| **--help** \| **--usage** \| **--version**

## DESCRIPTION

The **zck\_read\_header** utility reads a zchunk file's header and displays some of the information recorded there.

The **zck\_read\_header** utility accepts the following optional arguments:

- **-c**, **--show-chunks**

  Display information about the individual chunks, too.

- **-f**, **--verify**

  Instead of only reading the zchunk file's header, read the whole file and verify its integrity.

- **-q**, **--quiet**

  Quiet operation; only display error messages.

- **-v**, **--verbose**

  Verbose operation; display some diagnostic output.

- **-**?, **--help**

  Display program usage information and exit.

- **--usage**

  Display brief program usage information and exit.

- **--version**

  Display program version information and exit.

## EXIT STATUS

The **zck\_read\_header** utility exits 0 on success, and \>0 if an error occurs.

## EXAMPLES

Examine a zchunk file's header:

```
zck_delta_size doc.txt.zck
```

## SEE ALSO

[unzck(1)](/unzck/1.md), [zck(1)](/zck/1.md), [zck\_delta\_size(1)](/zck_delta_size/1.md), [zck\_gen\_zdict(1)](/zck_gen_zdict/1.md), [zckdl(1)](/zckdl/1.md)

## AUTHOR

The **zck\_read\_header** utility was written by Jonathan Dieter ⟨jdieter@gmail.com⟩. This manual page stub was written by Peter Pentchev ⟨roam@ringlet.net⟩.