> For the complete documentation index, see [llms.txt](https://pentesting.zeyu2001.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://pentesting.zeyu2001.com/proving-grounds/warm-up.md).

# Warm Up

[Offensive Security Proving Grounds (PG) ](https://www.offensive-security.com/labs/)are a modern network for practicing penetration testing skills on exploitable, real-world vectors.

| Machine                                            | OS      | Description                                          |
| -------------------------------------------------- | ------- | ---------------------------------------------------- |
| [Pebbles](/proving-grounds/warm-up/pebbles.md)     | Linux   | Not your average pebble in a pond - a pretty pebble. |
| [Twiggy](/proving-grounds/warm-up/twiggy.md)       | Linux   | An easy machine, but a tad sneaky.                   |
| [Bratarina](/proving-grounds/warm-up/bratarina.md) | Linux   | Bratarina is not the nicest lady in town.            |
| [Internal](/proving-grounds/warm-up/internal.md)   | Windows | Quick and simple way to learn the Brazilian dance.   |
| [ClamAV](/proving-grounds/warm-up/clamav.md)       | Linux   | Retired exam machine to help you prepare.            |