tar --create --multi-volume --file=/dev/sdx --label=mybackupset-$(date +%F-%HH%MM) --exclude=/mnt --exclude=/tmp --exclude=/sys --exclude=/proc --exclude=.steam --exclude=.cache --exclude=/run --exclude=tmp/ / # tar #backup anything to multiple (empty) #USB attached #HDDs. tar will prompt you for the next #drive if needed. #linux ftw #reuse of old small #hdd ❤️