On 07:52 15 Feb 2002, rpjday <[EMAIL PROTECTED]> wrote:
| 
|   as i read it (and i'm hoping to be corrected if i'm wrong),
| the tmpfs filesystem is just a more convenient version of a
| ram disk, with the following properties:
| 
| 1) i can create one at any time just by doing a mount:
| 
|   # mount tmpfs <mount-point> -t tmpfs
| 
| 2) a tmpfs sits directly on top of the VM subsystem, and uses 
|    space from RAM and/or swap as it sees fit
| 
| 3) a tmpfs will grow automatically to accommodate added files, and
|    shrink automatically as files are removed
| 
| 4) (obviously) tmpfs filesystems do not persist across reboots
| 
| 5) red hat 7.2 comes with a tmpfs already registered in /etc/fstab:
| 
|   none        /dev/shm  tmpfs defaults 0 0
| 
|   but i can always create more if i want.
| 
|   given all these properties, it seems that tmpfs is a more
| convenient alternative to mucking around with ram disks and the
| /dev/ram devices, is that right?

That all sounds right to me.
--
Cameron Simpson, DoD#743        [EMAIL PROTECTED]    http://www.zip.com.au/~cs/

"Shot my dog today."
"Was he mad?"
"Well, he weren't too damned pleased."
        - Rick Tilson, [EMAIL PROTECTED]



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