3 ms·dd if=/dev/zero of=test bs=512 count=1500 oflag=dsync 768000 bytes (768 kB) copied, 0.45329 s, 1.7 MB/sby ausjke 13y agodd if=/dev/zero of=test bs=512 count=1500 oflag=dsync 768000 bytes (768 kB) copied, 0.45329 s, 1.7 MB/s