====== rsync ======
===== Typical uses =====
==== scp replacement ====
Better management of interrupted transfers than ''scp''
  rsync -rP <source> <dest>
(-P = --partial --progress)

==== Backup ====
  rsync --archive <source> <dest> \
    [--backup --backup-dir=$backupdir] [--delete --delete-excluded] \
    [--exclude <files>] [--verbose --stats]