[codys]

Yes, we call those marks "permissions". Most operating systems have them. The problem is putting the right process in place around using them.

[justinclift]

There are also (extended) attributes, such as the "immutable" flag, available on some OSs/filesystems.

If you're interested, look into chattr for Linux, and chflags for BSDs.

https://en.wikipedia.org/wiki/Chattr