---
name: "dune-help"
section: "1"
platform: "linux"
package: "dune"
version: "3.24.2-1"
release: "Arch Linux 2026-11-01"
platforms: ["linux"]
url: "https://new.carta.tech/dune-help"
---

# dune-help(1)

Additional Dune help.

## NAME

dune-help - Additional Dune help.

## SYNOPSIS

**dune help** \[**--build-info**\] \[**--man-format**=*FMT*\] \[*OPTION*\]… \[*TOPIC*\]

## DESCRIPTION

**dune help TOPIC** provides additional help on the given topic. The following topics are available:

- **config**

  dune-config

## OPTIONS

- **--build-info**

  Show build information.

- **--man-format**=*FMT* (absent=**pager**)

  Show output in format *FMT*. The value *FMT* must be one of **auto**, **pager**, **groff** or **plain**. With **auto**, the format is **pager** or **plain** whenever the **TERM** env var is **dumb** or undefined.

## COMMON OPTIONS

- **--help**\[=*FMT*\] (default=**auto**)

  Show this help in format *FMT*. The value *FMT* must be one of **auto**, **pager**, **groff** or **plain**. With **auto**, the format is **pager** or **plain** whenever the **TERM** env var is **dumb** or undefined.

- **--version**

  Show version information.

## EXIT STATUS

**dune help** exits with:

- 0

  on success.

- 1

  if an error happened.

- 130

  if it was interrupted by a signal.

## ENVIRONMENT

These environment variables affect the execution of **help**:

- **CLICOLOR**

  If different than **0**, ANSI colors are supported and should be used when the program isn't piped. If equal to **0**, don't output ANSI color escape codes

- **CLICOLOR\_FORCE**

  If different than **0**, ANSI colors should be enabled no matter what.

- **DUNE\_CACHE\_ROOT**

  If set, determines the location of all the different caches used by dune.

## BUGS

Check bug reports at https://github.com/ocaml/dune/issues

## SEE ALSO

[dune(1)](/dune/1.md)