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VM CAN share binaries/libs/etc (otherwise called files)

also, VMs CAN "share" memory. ie VMs can dedup memory between themselves. On Linux at least.

Not saying docker/lxc and all things namespaces are bad at all - but setting things straight. VMs can do this:)

Checkout KSM for memory "sharing" and any overlay-style file system that is mounted by VMs (this one works exactly the same as when you use namespaces/docker/lxc in fact)

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