Uso de rsync
   
   
   --exclude=
   
   --exclude-from=
   
   --bwlimit (kbytes/s)
   
   rsync   -avz   --exclude-from=rsync_excludes \
       root@host:/etc   backup/host
   
   rsync   -avz   --bwlimit=10   root@host:/etc   backup/host