Copies new and modified files from the source to the target
Ignores file's size and time of last modification and detects changes by checksum
%1 /path/to/source/
%2 /path/to/target/
rsync -rclpogImvh --stats %1 %2
rsync -rclImvh --no-perms --no-owner --no-group --stats --chown=user:group --chmod=Du=rwx,Dgo=rx,Fu=rw,Fog=r "/path/to/source" "/path/to/target" 2>> error.log 1>> output.log