[CentOS] why i can not put my swap files in /dev?

Tue Jul 6 14:30:10 UTC 2010
Tang Jianwei <myhnet at gmail.com>

In the past I only heard that /proc and /sys are "RAM directories", now 
I get /dev as well. thank you.

Tang Jianwei


On 07/06/2010 10:14 PM, John Kennedy wrote:
>
>
> On Tue, Jul 6, 2010 at 10:01 AM, <m.roth at 5-cent.us 
> <mailto:m.roth at 5-cent.us>> wrote:
>
>     Jerry McAllister wrote:
>     > On Tue, Jul 06, 2010 at 06:41:06PM +0800, Tang Jianwei wrote:
>     >
>     >> I tried to create some swap files in /dev directory for my desktop.
>     >> the dd and mkswap were ok. but when I try to swapon it, i get this:
>     >>
>     >> # swapon /dev/myswap
>     >> swapon: /dev/myswap: Invalid argument
>     >>
>     >> but when I mv the file to some other directory like /mnt or /, the
>     >> swapon works.
>     >>
>     >> could sb. tell me why?
>
>     Well, /dev is *not* a good place for anything but device files.
>     >
>     > /dev is not a real directory for data files.
>     <snip>
>     Um, er, what do you mean about it not being a "real" directory?
>
>              mark
>
>
> I would say he means "real" as exists on a hard drive like /home of 
> /var as opposed to "virtual" as exists in RAM like /proc.
> John
> -- 
> John Kennedy
>
>
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