The command dd is used to low level format the card
The command fdisk is used to create a new primary partition
The command mkfs.vfat us used to create the FAT32 file system
kerphi@ketchup:~$ sudo dd if=/dev/zero of=/dev/sdd
dd: écriture vers `/dev/sdd': Aucun espace disponible sur le périphérique
1974273+0 enregistrements lus
1974272+0 enregistrements écrits
1010827264 octets (1,0 GB) copiés, 1090,36 seconde, 927 kB/s
kerphi@ketchup:~$ sudo fdisk /dev/sdd
Device contains neither a valid DOS partition table, nor Sun, SGI or OSF disklabel
Building a new DOS disklabel. Changes will remain in memory only,
until you decide to write them. After that, of course, the previous
content won't be recoverable.
Warning: invalid flag 0x0000 of partition table 4 will be corrected by w(rite)
Command (m for help): p
Disk /dev/sdd: 1010 MB, 1010827264 bytes
32 heads, 61 sectors/track, 1011 cylinders
Units = cylinders of 1952 * 512 = 999424 bytes
Device Boot Start End Blocks Id System
Command (m for help): n
Command action
e extended
p primary partition (1-4)
p
Partition number (1-4): 1
First cylinder (1-1011, default 1):
Using default value 1
Last cylinder or +size or +sizeM or +sizeK (1-1011, default 1011): 1011
Command (m for help): t
Selected partition 1
Hex code (type L to list codes): b
Changed system type of partition 1 to b (W95 FAT32)
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.
kerphi@ketchup:~$ sudo mkfs.vfat -F 32 /dev/sdd1
mkfs.vfat 2.11 (12 Mar 2005)