USBメモリのmsdosフォーマット

PCにUSBを挿す。
デバイスを見る /dev/sdbにマウントされてそうな感じ
hoge > dmesg | tail -20
usb 6-9: USB disconnect, address 8
usb 6-9: new high speed USB device using ehci_hcd and address 9
usb 6-9: configuration #1 chosen from 1 choice
scsi11 : SCSI emulation for USB Mass Storage devices
usb-storage: device found at 9
usb-storage: waiting for device to settle before scanning
Vendor: Model: ADTEC Rev: PMAP
Type: Direct-Access ANSI SCSI revision: 00
SCSI device sdb: 2015232 512-byte hdwr sectors (1032 MB)
sdb: Write Protect is off
sdb: Mode Sense: 23 00 00 00
sdb: assuming drive cache: write through
SCSI device sdb: 2015232 512-byte hdwr sectors (1032 MB)
sdb: Write Protect is off
sdb: Mode Sense: 23 00 00 00
sdb: assuming drive cache: write through
sdb: sdb1
sd 11:0:0:0: Attached scsi removable disk sdb
sd 11:0:0:0: Attached scsi generic sg2 type 0
usb-storage: device scan complete

fdiskを立ち上げる。
hoge > sudo fdisk /dev/sdb

パーティションの削除
Command (m for help): d
Selected partition 1

新しいパーティションの作成
Command (m for help): n
Command action
e extended
p primary partition (1-4)
p
Partition number (1-4): <enter>
Using default value 1
Last cylinder or +size or +sizeM or +sizeK (1-1015, default 1015):<enter>
Using default value 1015


ファイルタイプの変更
リストからFat32(b)を選択
Command (m for help): t
Selected partition 1
Hex code (type L to list codes): L

0 Empty 1e Hidden W95 FAT1 80 Old Minix be Solaris boot
1 FAT12 24 NEC DOS 81 Minix / old Lin bf Solaris
2 XENIX root 39 Plan 9 82 Linux swap / So c1 DRDOS/sec (FAT-
3 XENIX usr 3c PartitionMagic 83 Linux c4 DRDOS/sec (FAT-
4 FAT16 <32M 40 Venix 80286 84 OS/2 hidden C: c6 DRDOS/sec (FAT-
5 Extended 41 PPC PReP Boot 85 Linux extended c7 Syrinx
6 FAT16 42 SFS 86 NTFS volume set da Non-FS data
7 HPFS/NTFS 4d QNX4.x 87 NTFS volume set db CP/M / CTOS / .
8 AIX 4e QNX4.x 2nd part 88 Linux plaintext de Dell Utility
9 AIX bootable 4f QNX4.x 3rd part 8e Linux LVM df BootIt
a OS/2 Boot Manag 50 OnTrack DM 93 Amoeba e1 DOS access
b W95 FAT32 51 OnTrack DM6 Aux 94 Amoeba BBT e3 DOS R/O
c W95 FAT32 (LBA) 52 CP/M 9f BSD/OS e4 SpeedStor
e W95 FAT16 (LBA) 53 OnTrack DM6 Aux a0 IBM Thinkpad hi eb BeOS fs
f W95 Ext'd (LBA) 54 OnTrackDM6 a5 FreeBSD ee EFI GPT
10 OPUS 55 EZ-Drive a6 OpenBSD ef EFI (FAT-12/16/
11 Hidden FAT12 56 Golden Bow a7 NeXTSTEP f0 Linux/PA-RISC b
12 Compaq diagnost 5c Priam Edisk a8 Darwin UFS f1 SpeedStor
14 Hidden FAT16 <3 61 SpeedStor a9 NetBSD f4 SpeedStor
16 Hidden FAT16 63 GNU HURD or Sys ab Darwin boot f2 DOS secondary
17 Hidden HPFS/NTF 64 Novell Netware b7 BSDI fs fd Linux raid auto
18 AST SmartSleep 65 Novell Netware b8 BSDI swap fe LANstep
1b Hidden W95 FAT3 70 DiskSecure Mult bb Boot Wizard hid ff BBT
1c Hidden W95 FAT3 75 PC/IX
Hex code (type L to list codes): b
Changed system type of partition 1 to b (W95 FAT32)

書き込み
Command (m for help): w
The partition table has been altered!

Calling ioctl() to re-read partition table.

WARNING: If you have created or modified any DOS 6.x
partitions, please see the fdisk manual page for additional
information.
Syncing disks.
hoge >