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 > > > _______________________________________________ > CentOS mailing list > CentOS at centos.org > http://lists.centos.org/mailman/listinfo/centos > -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.centos.org/pipermail/centos/attachments/20100706/3c19584a/attachment-0005.html>