bs=1 is a recipe for waiting far longer than you have to because of the overhead of the system calls. Better bs=N count=1
That’s also not great if you’re trying to make a 10 gigabyte file. In that case, use bs=1M and count=SizeInMB.
That’s also not great if you’re trying to make a 10 gigabyte file. In that case, use bs=1M and count=SizeInMB.