> For the complete documentation index, see [llms.txt](https://docs.console.zenlayer.com/welcome/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.console.zenlayer.com/welcome/virtual-machine/overview.md).

# Overview

* [**Virtual Machine Instance**](/welcome/virtual-machine/overview/virtual-machine-instance.md)
* [**Models, Zones & Operating System**](/welcome/virtual-machine/overview/models-zones-and-operating-system.md)
* [**Data Disk**](/welcome/virtual-machine/overview/virtual-elastic-disk.md)
* [**VPC**](/welcome/virtual-machine/overview/vpc.md)
* [**VPC & Subnet Planning**](/welcome/virtual-machine/overview/vpc-and-subnet-planning.md)
* [**Security Group**](/welcome/virtual-machine/overview/security-group.md)