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Update doc/VirtualMachine.md

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Pragmatic Software 2022-01-29 19:09:35 -08:00
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commit de8e261276

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@ -220,6 +220,8 @@ If you have multiple PBot VM Guests, or if you used a different TCP port, you ca
Switch back to an available terminal on the physical host machine. Enter the following command
to save a snapshot of the virtual machine waiting for incoming commands.
* Before doing this step, ensure all commands are cached by executing them at least once. For example, the `gcc` and `gdb` commands take a long time to load into memory. The initial execution may take a several long seconds to complete. Once completed, the command will be cached. Future invocations will execute significantly quicker.
host$ virsh snapshot-create-as pbot-vm 1
This will create a snapshot file `vm.1` next to the `vm.qcow2` disk file. If the virtual machine