On Tue, 2008-08-19 at 14:55 +0530, Balaji wrote: > Dear All, > > I have using CentOS 4.4 and My PC USB Drive is detected and > but the device "/dev/sda1" is not initialized and i have executed the ... > I am not sure why this is happening. Can some one throw light on this. What does "fdisk -l /dev/sda" return? If there's nothing on the drive you care about try repartitioning with fdisk and making a file system using "mke2fs", or "mkdosfs" if you want VFAT. Phil