Say, for example, you want to install an application but you're not 100% certain how the application will interact with your host operating system (or if it's safe enough to install on the host, where your personal data resides) spin up a VM, test the application, and destroy the VM with zero harm to your default operating system. The good thing about these virtual machines is that they can be created and destroyed with ease, so if something goes wrong, you can delete the VM you're working on and start another. PearPC is an architecture independent PowerPC platform emulator capable of running most PowerPC operating systems. Mac-on-Mac: A port of the Mac on Linux project to Mac OS X. These virtual machines behave as guest operating systems on your host, so you can use them to get online, install applications, and do just about anything you do with your host OS. The professional, open source development tool for the open web.

You can create as many VMs as you like (so long as your local storage has enough space). One way of going about this that is considerably easier than other options is via Boxes, which is a part of the GNOME desktop ecosystem and can be used to spin up Virtual Machines (VMs). Tired of Windows? Sick of paying big money for Macs? Want a better, more secure desktop? Give Linux a try.

Virtual mac on linux