Operating systems collect data in different ways. Linux distributions are transparent about that collection. Canonical's making some changes to how it collects information. Telemetry: the in situ ...
FreeBSD and Slackware are both outstanding OSes. FreeBSD is more UNIX-like, while Slackware is more Linux-like. One is geared for servers, while the other is a bit more general. FreeBSD and Slackware.
I'm all-in, baby. I'm committed. If upgrading any distinct component of my PC didn't require me taking out a loan right now, I'd be seriously considering switching my GPU over to some kind of AMD ...