Say, for example, you are trying to backup / data / web / and send it to another server, so you use a command
like rsync - a / data / web / user@server: / backups / data / web / to make it happen... but you'd really like to skip syncing the / data / web / cache / folder.
Not exact matches
Encrypt them locally on the stemlegal system &
rsync them off to some big storage solution
like s3.
Unison syncs two sets of files so that both are identical, sort of
like a two - way version of
rsync (which is basically what Unison is).