To copy the contents of one local folder into another, replacing the files in the destination folder. The parameter -a also makes the copy recursive and preserve the modification times, but additionally it copies the symlinks that it encounters as symlinks, preserve the permissions, preserve the owner and group information, and preserve device and special files. This is useful if you are copying the entire home folder of a user, or if you are copying system folders somewhere else.
rsync -rtav source/ destination/
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