# fdisk -u -l /dev/sda
Disk /dev/sda: 465.76 GiB, 500107862016 bytes, 976773168 sectors
Disk model: Samsung SSD 850 
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: 0x0f68d6b5

Device     Boot     Start       End   Sectors   Size Id Type
/dev/sda1            2048  65538047  65536000  31.3G 83 Linux
/dev/sda2        65538048 106498047  40960000  19.5G 83 Linux
/dev/sda3       106498048 137218047  30720000  14.6G 83 Linux
/dev/sda4       137218048 976773119 839555072 400.3G  5 Extended
/dev/sda5       137220096 157700095  20480000   9.8G 83 Linux
/dev/sda6       157702144 188422143  30720000  14.6G 83 Linux
/dev/sda7       188424192 253960191  65536000  31.3G 83 Linux
/dev/sda8       253962240 966533119 712570880 339.8G 83 Linux