Docu review done: Mon 06 May 2024 09:17:53 AM CEST

dd

Commands

CommandsDescription
dd if=<source file name> of=<target file name> [Options]copies block device from if-source to of-destinatnio
dd if=<source file name> of=<target file name> status=progress [Options]not to be used in scripts as it produces status output
dd if=/dev/urandom of=<somfile> count=<howoften_bs> bs=1048576will generate a file with (<howoften_bx)MB as 1048576 bytes = 1Mb

Get status if you need it and for got status=progress

Open another sessoin (ssh/term) and run the following command:

$ kill -USR1 $(pgrep ^dd)

It will send a signal to dd that it prints out the current status like:

3053+3 records in
3053+2 records out
12809067752 bytes (13 GB) copied, 1222.97 s, 10.5 MB/s