display sequential write throughput

Here’s a dd command to display sequential write throughput from the command line.

time dd if=/dev/zero of=/mounted_backup_volume/zero.raw bs=1M count=512 status=progress

Output is.

512+0 records in
512+0 records out
536870912 bytes (537 MB) copied, 0.667813 s, 804 MB/s

real    0m0.669s
user    0m0.000s
sys     0m0.359s