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Date: Sat, 31 Dec 2016 10:03:35 -0700 (MST)
From: Warren Block <wblock@wonkity.com>
To: swjatoslaw gerus <milstar2@eml.cc>
cc: Polytropon <freebsd@edvax.de>, freebsd-questions@freebsd.org
Subject: Re: would make 3 attempt  # compare dd if=<path_to_image.usb> \
 of=/dev/rdsk/<device> bs=16k
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On Sat, 31 Dec 2016, swjatoslaw gerus wrote:

> On Linux, insert the flash drive and locate the appropriate
> device.
> # dmesg | tail
> Then copy the image using
> dd(1)
> as above.
>
> # dd if=<path_to_image.usb> \
> of=/dev/rdsk/<device> bs=16k
> http://www.oracle.com/technetwork/server-storage/solaris11/documentation/solaris-11-2-faqs-2191871.pdf
>
> 16k or 1m , great difference for two comporable os

It is a buffer size.  The only difference it will make is how fast the 
image is written.