Virtualization

• Virtualization
• Run only the native CPU architecture
• Faster
• Emulation
• Run other CPU architectures
• Slower

Hypervisor

• Program that creates and runs virtual machines
• Host machine vs. Guest Machine
• Native Hypervisors
• KVM: built into the linux kernel
• Hyper-V: included in MS Windows Pro versions. Can be enabled under "Program and Features - Windows features"
• HVF: Apple's Hypervisor framework

VM hosts

UTM

• For MacOS and iOS
• It's a frontend for QEMU

Parallels Desktop

• For MacOS

VirtualBox

• Multi-platform
• Commercial program by Oracle
• Open source and free for personal use

VMware

• Multi-platform
• Commercial program (proprietary)

KVM

# Tells whether virtualization is enabled (VT-x for intel)
LC_ALL=C lscpu | grep Virtualization