Bob,
In Unix everything is a file... regular files, links, directories as well as the block and character special devices. These entities you are seeing have a specific purpose to keep the Unix Operating system functioning.
Now, the /bin/ls binary has functionality that allows colorization based upon file type, and other factors. Yes, like you, I typically work in listings that are black and white for ease of viewing.
The block device for /dev/sdb is used by a driver in the kernel to access that disk drive. /dev/sdb1, for example, would be the first partition on that disk drive, etc...
Why are you worried about these?
From: "Bob Goodwin ~ Zuni, Virginia, USA" <bobgoodwin@xxxxxxxxxxxx>
To: users@xxxxxxxxxxxxxxxxxxxxxxx
Sent: Monday, September 23, 2013 4:58 PM
Subject: Re: permissions -
On 23/09/13 16:07, poma wrote:
> http://en.wikipedia.org/wiki/Ls;)
> File types
>
> $ ll --color /dev/sdb*
>
> $ file /dev/sdb*
> # file --special-files /dev/sdb*
>
>
> poma
Are you saying that the "b" is merely to control the color in a listing?
I view everything in black and white.
Does it have any other effect?
Is there a mknod command to remove it, the man page does not make it
clear to me.
Thanks for responding.
Bob
--
http://www.qrz.com/db/W2BOD
box10 Fedora-19 Linux/XFCE
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