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Re:Containers vs. Zones vs. Jails vs. VMs (2017) by peteretep on Tuesday April 07, 2020 @05:04AM (#22801553)
> container is an abstract idea

In this context, it's not, it's specifically referring to a process running in a cgroup.

> LXC is one way to do so, runc is another way to do so, docker is a third way to do so

Docker is a suite of tools for managing running LXC or runc, both of which set up processes running under cgroups.

> Now if you took some other OS, there'd be different solutions, each with slightly different details and thus properties, but same idea

You should read the article.

Re:Containers vs. Zones vs. Jails vs. VMs (2017) by zodiac on Tuesday April 07, 2020 @07:20AM (#22802195)
"container" can mean other things in other contexts though, e.g. I'm running a configuration of Docker on my machine right now such that the CLI talks about "containers" but it is actually running VirtualBox in the background