rsync
oft gebrauchte Optionen
--archive, -a archive mode is -rlptgoD (no -A,-X,-U,-N,-H)
--verbose, -v increase verbosity
--recursive, -r recurse into directories
--relative, -R use relative path names
--perms, -p preserve permissions
--progress show progress during transfer
--partial keep partially transferred files
-P same as --partial --progress
--dry-run, -n perform a trial run with no changes made
--human-readable, -h output numbers in a human-readable format