rsync - faster, flexible replacement for rcp
[SYNOPSIS] rsync OPTION SRC DEST
option
-v increase verbosity
-a archive mode; same as -rlptgoD (no -H)
-u skip files that are newer on the receiver
-z compress file data during the transfer
--exclude=PATTERN exclude files matching PATTERN
--delete delete files that don’t exist on sender
# rsync -av --exclude="tmp" /home/ /backup