Mac OS getting Complicated

[sriHacPro]

First, apple separated data volume and OS volume. Now this "snap shot" thing. What the hell is this ? containers, volumes, snapshots

 

[Edhawk]

Have a read of this page from Apple regarding snapshots.

View APFS snapshots in Disk Utility on Mac

In Disk Utility on Mac, view a list of APFS snapshots, copy information about the snapshots and delete them.

support.apple.com