我尝试覆盖文件中的进度，但是没有成功，它仍然将行附加到文件中，可以提供任何帮助
dd if=/dev/sdb1 of=/root/Desktop/partition2.img bs=4096 status=progress > test.t5
输出
482164736 bytes (482 MB, 460 MiB) copied, 1 s, 476 MB/s
492519424 bytes (493 MB, 470 MiB) copied, 2 s, 246 MB/s
502874112 bytes (503 MB, 480 MiB) copied, 3 s, 167 MB/s
512311296 bytes (512 MB, 489 MiB) copied, 4 s, 128 MB/s
523321344 bytes (523 MB, 499 MiB) copied, 5 s, 105 MB/s
534200320 bytes (534 MB, 509 MiB) copied, 6 s, 88.9 MB/s
544686080 bytes (545 MB, 519 MiB) copied, 7 s, 77.8 MB/s
555565056 bytes (556 MB, 530 MiB) copied, 8 s, 69.4 MB/s
566312960 bytes (566 MB, 540 MiB) copied, 9 s, 62.9 MB/s
576012288 bytes (576 MB, 549 MiB) copied, 10 s, 57.6 MB/s
586629120 bytes (587 MB, 559 MiB) copied, 11 s, 53.2 MB/s
596852736 bytes (597 MB, 569 MiB) copied, 12 s, 49.7 MB/s
607469568 bytes (607 MB, 579 MiB) copied, 13 s, 46.7 MB/s
617693184 bytes (618 MB, 589 MiB) copied, 14 s, 44.1 MB/s
627916800 bytes (628 MB, 599 MiB) copied, 15 s, 41.9 MB/s
638140416 bytes (638 MB, 609 MiB) copied, 16 s, 39.9 MB/s
649019392 bytes (649 MB, 619 MiB) copied, 17 s, 38.2 MB/s
659898368 bytes (660 MB, 629 MiB) copied, 18 s, 36.6 MB/s
670646272 bytes (671 MB, 640 MiB) copied, 19 s, 35.3 MB/s
680214528 bytes (680 MB, 649 MiB) copied, 20 s, 34.0 MB/s
690438144 bytes (690 MB, 658 MiB) copied, 21 s, 32.9 MB/s
700923904 bytes (701 MB, 668 MiB) copied, 22 s, 31.8 MB/s
710754304 bytes (711 MB, 678 MiB) copied, 23 s, 30.9 MB/s
721240064 bytes (721 MB, 688 MiB) copied, 24 s, 30.0 MB/s
731987968 bytes (732 MB, 698 MiB) copied, 25 s, 29.3 MB/s
谢谢大家