1，[root@tonykorn97 /]# mkdir /dev/usb

2，[root@tonykorn97 /]# fdisk -l

Disk /dev/hda: 80.0 GB, 80026361856 bytes
255 heads, 63 sectors/track, 9729 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes

Device Boot Start End Blocks Id System
/dev/hda1 * 1 638 5124703+ 7 HPFS/NTFS
/dev/hda2 639 8289 61456657+ f W95 Ext'd (LBA)
/dev/hda3 8290 9599 10522575 83 Linux
/dev/hda4 9600 9729 1044225 82 Linux swap / Solaris
/dev/hda5 639 1276 5124703+ 7 HPFS/NTFS
/dev/hda6 1277 3826 20482843+ b W95 FAT32
/dev/hda7 3827 6376 20482843+ b W95 FAT32
/dev/hda8 6377 8289 15366141 b W95 FAT32

Disk /dev/sda: 129 MB, 129892352 bytes
8 heads, 32 sectors/track, 991 cylinders
Units = cylinders of 256 * 512 = 131072 bytes

Device Boot Start End Blocks Id System
/dev/sda1 * 1 991 126832 b W95 FAT32
[root@tonykorn97 /]#

3，直接加载设备就可以了！

[root@tonykorn97 /]# mount /dev/sda1 /mnt/usb
[root@tonykorn97 /]# cd /mnt/usb
[root@tonykorn97 usb]# ls
Favorites linux tools
[root@tonykorn97 usb]#

主要是使用fdisk -l