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Virtual Machine (Overview)
Last updated at 6:30 am UTC on 11 February 2020
The virtual machine (VM) is an executable program you need to run the Squeak .image file.

Different types of Virtual Machines

image from: http://fast.org.ar/uploads/2016/11/Friday_16h00_Eliot_Miranda_Cog_in_Motion.pdf

Currently, the VM executables share the same name but are not backward compatible for images. Each image type needs a matching VM. The utility ckformat prints the image format code for a given image. On Linux ports, VM run utility script, uses this utility to launch a compatible VM.


A Tour of the Squeak Object Engine