knoppix@Microknoppix:~$ ./makewrite
07457698cf716e25bf204f967f39233d *-
c50fa403ba60e51719f0f5e457cb7994 *-
20
30720+0 records in
30720+0 records out
15728640 bytes (16 MB) copied, 15.1949 s, 1.0 MB/s
30720+0 records in
30720+0 records out
15728640 bytes (16 MB) copied, 108.717 s, 145 kB/s
device != original
19
dd: opening `/dev/sdf': No such device or address
dd: opening `/dev/sdf': No such device or address
device != original
18
dd: opening `/dev/sdf': No such device or address
dd: opening `/dev/sdf': No such device or address
device != original
17
dd: opening `/dev/sdf': No such device or address
dd: opening `/dev/sdf': No such device or address
device != original
16
dd: opening `/dev/sdf': No such device or address
dd: opening `/dev/sdf': No such device or address
device != original
15
dd: opening `/dev/sdf': No such device or address
dd: opening `/dev/sdf': No such device or address
device != original
14
dd: opening `/dev/sdf': No such device or address
dd: opening `/dev/sdf': No such device or address
device != original
13
dd: opening `/dev/sdf': No such device or address
dd: opening `/dev/sdf': No such device or address
device != original
12
dd: opening `/dev/sdf': No such device or address
dd: opening `/dev/sdf': No such device or address
device != original
11
dd: opening `/dev/sdf': No such device or address
dd: opening `/dev/sdf': No such device or address
device != original
10
dd: opening `/dev/sdf': No such device or address
dd: opening `/dev/sdf': No such device or address
device != original
9
dd: opening `/dev/sdf': No such device or address
dd: opening `/dev/sdf': No such device or address
device != original
8
dd: opening `/dev/sdf': No such device or address
dd: opening `/dev/sdf': No such device or address
device != original
7
dd: opening `/dev/sdf': No such device or address
dd: opening `/dev/sdf': No such device or address
device != original
6
dd: opening `/dev/sdf': No such device or address
dd: opening `/dev/sdf': No such device or address
device != original
5
dd: opening `/dev/sdf': No such device or address
dd: opening `/dev/sdf': No such device or address
device != original
4
dd: opening `/dev/sdf': No such device or address
dd: opening `/dev/sdf': No such device or address
device != original
3
dd: opening `/dev/sdf': No such device or address
dd: opening `/dev/sdf': No such device or address
device != original
2
dd: opening `/dev/sdf': No such device or address
dd: opening `/dev/sdf': No such device or address
device != original
1
dd: opening `/dev/sdf': No such device or address
dd: opening `/dev/sdf': No such device or address
device != original
knoppix@Microknoppix:~$  fdisk -l

Disk /dev/sda: 128.0 GB, 128034594304 bytes
255 heads, 63 sectors/track, 15565 cylinders, total 250067567 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0xa26f51d9

   Device Boot      Start         End      Blocks   Id  System
/dev/sda1   *        2048     1026047      512000    7  HPFS/NTFS/exFAT
/dev/sda2         1026048   250064895   124519424    7  HPFS/NTFS/exFAT

Disk /dev/sdb: 2000.4 GB, 2000398934016 bytes
255 heads, 63 sectors/track, 243201 cylinders, total 3907029168 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x7325628b

   Device Boot      Start         End      Blocks   Id  System
/dev/sdb1            2048  3907026943  1953512448    7  HPFS/NTFS/exFAT

Disk /dev/sdc: 8053 MB, 8053063680 bytes
255 heads, 63 sectors/track, 979 cylinders, total 15728640 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x14fa7661

   Device Boot      Start         End      Blocks   Id  System
/dev/sdc1   *        2048    15728639     7863296    c  W95 FAT32 (LBA)
knoppix@Microknoppix:~$