Rsync

Copy files and directories and removed source with rsync

$ rsync --remove-source-files -rltv --progress /backup/fullbackup-20210524 /mnt/backup/2021/05/24/

1. 1. 1. Faster delete (then rm -r) of many small files with rsync ###

mkdir empty_dir
# rsync -a --delete empty_dir/    mydirfordeletion/