[TUHS] When/how did ctime change from inode "creation" to "change" time?

[Dave Horsfall]

On Wed, 12 Mar 2025, Theodore Ts'o wrote:

> I have fond memories of looking at the Larn (or was it Hack/Nethack?)
> sources and seeing that it checked ctime to prevent people from
> cheating by saving and restoring the game save file, since ctime
> couldn't be set without either changing the system clock or directly
> accessing the file system (or kernel memory) and messing with the
> on-disk inode directly.

I had great fun with Rogue when symlinks were invented :-)

-- Dave