On Tue, Aug 12, 2008 at 5:23 PM, Rene Herman <rene.herman@xxxxxxxxxxxx> wrote: > On 12-08-08 09:40, MinChan Kim wrote: > >> AFAIK, many people use ramfs or ramdisk to boot up system temporally. >> But I want to know other ramfs use case(include ramfs, ramdisk and >> others ramfile system which I don't know) except that. >> >> How do you use ram filesytsem and for what ? > > tmpfs is a widely used RAM based fs. As its name implies, it's intended as > an fs for /tmp and I do use it as such. It improves (or can improve) speed > of things that use /tmp and "auto-empties" on reboot. > > To use POSIX shared memory, you need a tmpfs mount on /dev/shm. > > udev, used by almost all Linux systems these days, mounts a tmpfs on /dev > itself and creates its device nodes there. > > Then ofcourse there are all the virtual filesystems such as proc, sysfs, > debugfs, usbfs, nfsd, ..., which are also RAM based filesystems (but not > generic ones). > > Personally, I don't use an initramfs/initrd. Thank you for comment. Are there any other persons who use ramfs/ramdisk with special purpose(ex, performance enhancement in HPC) ? > Rene. > -- Kinds regards, MinChan Kim -- To unsubscribe from this list: send an email with "unsubscribe kernelnewbies" to ecartis@xxxxxxxxxxxx Please read the FAQ at http://kernelnewbies.org/FAQ
