Exemplos de Uso
$
DATA=$(date +%Y%m%d)
rsync -avz --link-dest=/backup/anterior/ /home/ /backup/$DATA/
$
BACKUP_DIR="/backup/$(date +%Y%m%d_%H%M%S)"
LATEST=$(ls -td /backup/*/ | head -1)
rsync -avz --delete --link-dest="$LATEST" /home/ "$BACKUP_DIR/"
$
find /backup -maxdepth 1 -type d -mtime +30 -exec rm -rf {} +