virtual machine

A virtual machine is a program that emulates a machine. The Tcl virtual machine executes Tcl scripts that have been compiled into bytecode.

Tcl Program Virtual Machines

Tcl virtual machine
a component of the Tcl core
grammar_me

Other Program Virtual Machines

Factor
.NET
JVM
parrot
pypy

System Virtual Machines

qemu

Educational Virtual Machines

MMIX , by Donald E. Knuth

Single System Image

Parallel Virtual Machine