https://www.commandlinefu.com/commands/view/10080/replace-duplicate-files-by-hardlinks
Replace duplicate files by hardlinks Using file, ln, read
duplicate filesreplacehardlinksusingln
https://community.dropbox.com/en/discussion/365392/hardlinks-in-dropbox-folder
Hardlinks in dropbox folder - Dropbox Community
Now that Dropbox has stopped supporting symlinks within Dropbox folder (to folders outside Dropbox), my setup no longer works. I wonder if hard links from...
hardlinksdropboxfoldercommunity