commands:
print statistics about all archives
# tarsnap --print-stats -f '*'
create archive and backup two folders
# tarsnap -c -f ArchiveName --dry-run --print-stats /folder1 /folder2
list all archives created
# tarsnap --list-archives -vv | sort
extract a single file from an archive
# doas tarsnap -xvf ArchiveName ExampleDirectory/ExampleFile