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# Playbooks: Special Topics

Here are some playbook features that not everyone may need to learn, but can be quite useful for particular applications. Browsing these topics is recommended as you may find some useful tips here, but feel free to learn the basics of Ansible first and adopt these only if they seem relevant or useful to your environment.

- Become (Privilege Escalation)
- Accelerated Mode
- Asynchronous Actions and Polling
- Check Mode (“Dry Run”)
- Playbook Debugger
- Delegation, Rolling Updates, and Local Actions
- Setting the Environment (and Working With Proxies)
- Working With Language-Specific Version Managers
- Error Handling In Playbooks
- Advanced Syntax
- Lookups
- Examples
- Prompts
- Tags
- Using Vault in playbooks
- Start and Step