[Operyl]

> reached docker in terms of virtualization

Except docker, on its own without something else in the stack, isn't Virtualization.

[TZubiri]

Not arguing this again, go edit the wikipedia article if you are so confident

[robertlagrant]

Docker is kernel virtualisation. Are you thinking of OS virtualisation, like a VM?

[xrisk]

Docker does not virtualize the kernel, in fact the kernel version “inside” Docker is the same as the host.

[Timber-6539]

Virtualization usually refers to OS/ device emulation in software. Docker uses kernel namespaces which is an entirely unrelated feature.

[anonfordays]

Docker is OS-level virtualization. VMs are hardware virtualization. Different layers.