On Mon, Feb 19 2024 at 10:52:16 AM, Keith Bainbridge <keithr...@gmail.com> wrote: > As promised: > I said sometime in this thread that timeshift (and Back in Time) use > hard links to create progressive copies of the system. The more I > think about how hard links reportedly work, I reckon it can't be > simply hard links. > > So I'm starting a new thread on that topic. > > My understanding is that a hard link (ln with no option) will list the > file in another directory, but the file remains the same no matter > where I may edit it. I use cp -lru as a quick and dirty way to > protect me against accident deleting a file. (Sym-link doesn't give > that protection, but does allow me to keep my home on a separate > partition so that a fresh install is a LOT easier; but that is another > topic) > > Snapshots reportedly hard link the directory/ies (generally means / > but not limited ). a new snapshot copies the latest set and then > updates any new files in the base. The more I try to visualise that > process the more I reckon there must be more to it > > Anybody care to fill me in please? >
Have you read their FAQ page about hard links? https://github.com/bit-team/backintime/blob/dev/FAQ.md#how-do-snapshots-with-hard-links-work > I am mindful that it is late Sunday night for many of you