fdisk

what is it?

disk utility for formatting or partitioning a hard disk drive, or to delete different portions of it

resizing a partition

logical partition

sudo fdisk /dev/vda
 
Command (m for help): p
Disk /dev/vda: 40.53 GiB, 43504943104 bytes, 84970592 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: 0xf7942c46
 
Device     Boot   Start      End  Sectors  Size Id Type
/dev/vda1  *       2048  1050623  1048576  512M  b W95 FAT32
/dev/vda2       1052670 84970591 83917922   40G  5 Extended
/dev/vda5       1052672 84970591 83917920   40G 83 Linux

Command (m for help): d
Partition number (1,2,5, default 5): 2
 
Partition 2 has been deleted.

Command (m for help): n
Partition type
   p   primary (1 primary, 0 extended, 3 free)
   e   extended (container for logical partitions)
Select (default p): e
Partition number (2-4, default 2): 
First sector (1050624-84970591, default 1050624): 1052670
Last sector, +/-sectors or +/-size{K,M,G,T,P} (1052670-84970591, default 84970591): 
 
Created a new partition 2 of type 'Extended' and of size 40 GiB.

Command (m for help): n
All space for primary partitions is in use.
Adding logical partition 5
First sector (1054718-84970591, default 1054720): 
Last sector, +/-sectors or +/-size{K,M,G,T,P} (1054720-84970591, default 84970591): 
 
Created a new partition 5 of type 'Linux' and of size 40 GiB.

Command (m for help): x
 
Expert command (m for help): b
Partition number (1,2,5, default 5): 
New beginning of data (1052671-84970591, default 1054720): 1052672
 
Expert command (m for help): r

Command (m for help): w