man rsync - SERP Analysis

https://linux.die.net/man/1/rsync

https://man7.org/linux/man-pages/man1/rrsync.1.html

https://ss64.com/bash/rsync.html

https://www.samba.org/rsync/documentation.html

https://man.freebsd.org/cgi/man.cgi%3Fquery%3Drsync%26manpath%3DDarwin%2B8.0.1%252Fppc

https://www.unix.com/man_page/redhat/1/rsync/

https://linuxblog.io/rsync-command-in-linux-with-examples/

https://askubuntu.com/questions/1445865/help-understanding-rsync-command

https://linuxcommandlibrary.com/man/rsync

https://manpages.ubuntu.com/cgi-bin/search.py%3Fq%3Drsync