ubuntu@ubuntu:~$ sudo fdisk -l

Disk /dev/loop0: 1 GiB, 1101672448 bytes, 2151704 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 /dev/sda: 29.8 GiB, 32017047552 bytes, 62533296 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
Disklabel type: dos
Disk identifier: 0x23c3aa59

Device     Boot Start      End  Sectors  Size Id Type
/dev/sda1  *     2048 62531583 62529536 29.8G 83 Linux

Disk /dev/sdb: 465.8 GiB, 500107862016 bytes, 976773168 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 4096 bytes
I/O size (minimum/optimal): 4096 bytes / 4096 bytes
Disklabel type: dos
Disk identifier: 0x23c3aa5d

Device     Boot     Start       End   Sectors   Size Id Type
/dev/sdb1  *         2048    411647    409600   200M  7 HPFS/NTFS/exFAT
/dev/sdb2          411648 882399231 881987584 420.6G  7 HPFS/NTFS/exFAT
/dev/sdb3       882399232 935811071  53411840  25.5G  7 HPFS/NTFS/exFAT
/dev/sdb4       935811072 961538444  25727373  12.3G 12 Compaq diagnostics

Disk /dev/sdc: 7.5 GiB, 8075120640 bytes, 15771720 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
Disklabel type: dos
Disk identifier: 0x0172bea4

Device     Boot Start      End  Sectors  Size Id Type
/dev/sdc1  *       63 15759764 15759702  7.5G  b W95 FAT32