gistfile1.txt

root@HP:/home/myuser# lsblk
NAME   MAJ:MIN RM   SIZE RO TYPE MOUNTPOINT
fd0      2:0    1     4K  0 disk
sda      8:0    0 149,1G  0 disk
├─sda1   8:1    0 148,1G  0 part /
├─sda2   8:2    0     1K  0 part
└─sda5   8:5    0  1022M  0 part [SWAP]
sdb      8:16   1   1,8G  0 disk
└─sdb1   8:17   1   1,8G  0 part /media/myuser/0C2C-FFEF
sr0     11:0    1  1024M  0 rom
root@HP:/home/myuser# dd if=/dev/zero of=/dev/sdb1 bs=4k && sync
dd: error writing '/dev/sdb1': No space left on device
475192+0 records in
475191+0 records out
1946382336 bytes (1,9 GB, 1,8 GiB) copied, 132,904 s, 14,6 MB/s
root@HP:/home/myuser# fdisk /dev/sdb1
Welcome to fdisk (util-linux 2.27.1).
Changes will remain in memory only, until you decide to write them.
Be careful before using the write command.

Device does not contain a recognized partition table.
Created a new DOS disklabel with disk identifier 0xf94ddf46.

Command (m for help): o
Created a new DOS disklabel with disk identifier 0xdb4e9d46.

Command (m for help): n
Partition type
   p   primary (0 primary, 0 extended, 4 free)
   e   extended (container for logical partitions)
Select (default p): p
Partition number (1-4, default 1):
First sector (2048-3801527, default 2048):
Last sector, +sectors or +size{K,M,G,T,P} (2048-3801527, default 3801527):

Created a new partition 1 of type 'Linux' and of size 1,8 GiB.

Command (m for help): w
The partition table has been altered.
Calling ioctl() to re-read partition table.
Re-reading the partition table failed.: Invalid argument

The kernel still uses the old table. The new table will be used at the next reboot or after you run partprobe(8) or kpartx(8).

root@HP:/home/myuser# mkfs.vfat /dev/sdb1
mkfs.fat 3.0.28 (2015-05-16)
mkfs.vfat: /dev/sdb1 contains a mounted filesystem.
root@HP:/home/myuser# eject/dev/sdb1