---
name: "tomoyo-diffpolicy"
section: "8"
platform: "linux"
package: "tomoyo-tools"
version: "2.6.1-20210910-1+b1"
release: "Debian 12 (Bookworm)"
platforms: ["linux"]
url: "https://new.carta.tech/tomoyo-diffpolicy"
---

# tomoyo-diffpolicy(8)

domain policy comparison utility for TOMOYO Linux

## NAME

tomoyo-diffpolicy - domain policy comparison utility for TOMOYO Linux

## SYNOPSIS

**tomoyo-diffpolicy** *old\_domain\_policy* *new\_domain\_policy*

## DESCRIPTION

This program works similar to [**diff**(1)](/diff/1.md), but is specialized for handling domain policy. The resulting diff can be applied to existing policy.

## EXAMPLES

- **Generate a diff of domain policy**

  ```
    tomoyo-diffpolicy /etc/tomoyo/domain_policy.old /etc/tomoyo/domain_policy.new
  ```

- **Generate a diff of domain policy, using standard input for old\_domain\_policy**

  ```
    tomoyo-diffpolicy - /etc/tomoyo/domain_policy.new
  ```

- **Generate a diff of domain policy, using standard input for new\_domain\_policy**

  ```
    tomoyo-diffpolicy /etc/tomoyo/domain_policy.old -
  ```

## BUGS

If you find any bugs, send an email to \<tomoyo-users-en@lists.osdn.me\>.

## AUTHORS

- Tetsuo Handa \<penguin-kernel@I-love.SAKURA.ne.jp\>

  Main author.

- Jamie Nguyen \<jamie@tomoyolinux.co.uk\>

  Documentation and website.

## SEE ALSO

[**tomoyo-loadpolicy**(8)](/tomoyo-loadpolicy/8.md), [**tomoyo-patternize**(8)](/tomoyo-patternize/8.md)

See \<https://tomoyo.osdn.jp\> for more information.