Rsync notes
rsync -avuz -n show what would have been transferred -a archive mode; same as -rlptgoD (no -H) -H preserve hard links -r recurse into directories -l copy symlinks as symlinks -p preserve permissions -t preserve times -g preserve group -o preserve owner (super-user only) -D same as --devices --specials --devices preserve device files (super-user only) --specials preserve special files -v increase verbosity -u skip files that are newer on the receiver -z compress file data during the transfer -c skip based on checksum, not mod-time & size --delete delete extraneous files from destination dirs -P same as --partial --progress