Format USB flash drive to FAT32 with linux

1. Find out under which device your flash drive is mounted:

sudo fdisk -l

or

lsusb

or

df

ipm@n:~$ df Filesystem 1K-blocks Used Available Use% Mounted on
/dev/sda3 39238760 27615552 11623208 71% /media/sda3
/dev/sdb1 3907104 4 3907100 1% /media/Linux Mint 12 32-bit

2. Unmount your flash:

sudo umount /dev/sdb1

3. Format:

sudo mkdosfs -F32 -I /dev/sdb1

(I - is capital letter i)

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