Re: Screw Linux, I'm going back to Windows!

From:
Date: 09/05/02 

Date: Thu, 05 Sep 2002 09:52:02 +0200

Dave Leigh wrote:
>
> In a multiuser environment I wouldn't recommend letting ordinary users have
> access to the removable media at all.

Why not? The often used principle, where only the user loged
in locally can control removable media, is good in most cases.
But sometimes it is even desirable to allow users access to
removable media on remote computers.

>
> But this reminds me... in a mailing list someone described a very nice
> feature of AmigaOS. Reportedly, on the Amiga you could refer to a disk by
> its drivename, or by the volume name of the disk itself. So (speaking in
> Linux terms) you could refer to the same disk as /mnt/floppy or
> /mnt/named/recipes, where "recipes" is the volume of the disk. That same
> disk would be /mnt/named/recipes no matter what drive it's in.

That is true. The binding to a disk happens when the file is
opened or a directory is made current directory of the process.
>From that point on, the disk is recognized by name and/or
serial number. (I'm not 100% sure about that little detail.)

If you request to make a drive the current directory, the
system will see which floppy is currently in the drive, and
make that floppy the current directory.

>
> The only potential problem is what to do if you have two disks with the
> same label. I don't know how the Amiga addressed that.

If you tried to access it by name, I think it is undefined
which of the disks you actually access. At this point you
have to access by drive name, to be sure which one you
access. But I think it uses some serial number on the disk
to ensure, that you keep accessing the same disk after
making it your current directory or opening a file on the
disk. IIRC in case a drive and a media has same name, you
get the drive. The presedence was: Drive, Media, Assigns.
I don't think you could give two drives the same name, it
would be a bad idea.

A Linux implementation is bound to be slightly different
from the Amiga implementation. On the Amiga a floppy is not
mounted on a directory like in Linux. It is mounted as
"name:" slightly similar to DOS/Windows.

(My newsserver does not know the group alt.linux, so I
cannot respect the FUT.) 

-- 
Kasper Dupont -- der bruger for meget tid på usenet.
For sending spam use mailto:aaarep@daimi.au.dk
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