How to add new partition in Linux terminal

 Disk partition

Get the disk details by using below command

# sudo fdisk -l

In which disk you want to create new partition 

# sudo fdisk /dev/sda

Welcome to fdisk (util-linux 2.30.2). Changes will remain in memory only, until you decide to write them. Be careful before using the write command.

Type n for new partition

Command (m for help): n

Partition number (2-127, default 2):

w to write the partition

change the new partition to ext4 

# sudo mkfs.ext4 /dev/sda2  (new partition number)

# sudo mkdir /media/example

# sudo mount /dev/sda2 /media/example

# sudo vim /etc/fstab

/dev/sda2      /media/Disk1    ext4    defaults        0       0

or

# sudo blkid

copy uuid of sda2 patition

# sudo vim /etc/fstab

UUID=cfb2e895-ecec-41c5-afc2-40ffe2e4384a /media/example ext4    defaults   0  0