Re: good article
“All that a hypervisor is is an application running on top of an OS.”
If it’s a Type 2 Hypervisor, yes.
“The hypervisor in Workstation is actually the same hypervisor they compile for OS X, ESXi, etc.”
Incorrect.
Workstation is a Type 2 Hypervisor, same as Parallels and VirtualBox.
ESXi is a Type 1 Hypervisor, same as Hyper-V. Yes, even Hyper-V when running “on top” of Windows is a Type 1, because the OS you see is actually running on top of Hyper-V itself when you add the role/feature.
https://searchservervirtualization.techtarget.com/feature/Whats-the-difference-between-Type-1-and-Type-2-hypervisors
https://superuser.com/questions/836116/hyper-v-appears-to-runs-on-top-of-the-host-os-so-why-is-it-considered-a-native
I’ve always been a tinkerer, so VM’s have always been handy to use to experiment with. Now that I am on a team managing a large company with SCCM and WSUS, VM’s are a necessity.