> For the complete documentation index, see [llms.txt](https://calvin-lai.gitbook.io/calvin-lai-security/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://calvin-lai.gitbook.io/calvin-lai-security/useful-command.md).

# Useful Command/Tools

- [Kali](https://calvin-lai.gitbook.io/calvin-lai-security/useful-command/kali.md)
- [Windows](https://calvin-lai.gitbook.io/calvin-lai-security/useful-command/windows.md)
- [Linux](https://calvin-lai.gitbook.io/calvin-lai-security/useful-command/linux.md)