Rsync Resources

http://www.mikerubel.org/computers/rsync_snapshots/

Howtogeek list of arguments for rsync

Copying large files with Rsync, and some misconceptions

https://www.howtogeek.com/175008/the-non-beginners-guide-to-syncing-data-with-rsync/

https://www.cyberciti.biz/faq/linux-unix-apple-osx-bsd-rsync-copy-hard-links/

http://www.admin-magazine.com/Articles/Using-rsync-for-Backups