Answer Posted / sankar

Using Disk less booting you can run your computer without
hardisk.you have to confiqure dhcp with

host xterm {
hardware ethernet 08:00:2B:B7:F3:80;
fixed-address xterm.ken.net.au;
filename "/tftpdir/xterm.nb";
}
Here you have to mention pixe boot image into filename section

you need pixe boot image and tftp server to confiqure
diskless booting

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