sudo apt install net-tools

 $ sudo apt install net-tools

Reading package lists... Done

Building dependency tree       

Reading state information... Done

The following NEW packages will be installed:

  net-tools

0 upgraded, 1 newly installed, 0 to remove and 24 not upgraded.

Need to get 196 kB of archives.

After this operation, 864 kB of additional disk space will be used.

Get:1 http://id.archive.ubuntu.com/ubuntu focal/main amd64 net-tools amd64 1.60+git20180626.aebd88e-1ubuntu1 [196 kB]

Fetched 196 kB in 2s (78,7 kB/s)    

Selecting previously unselected package net-tools.

(Reading database ... 310202 files and directories currently installed.)

Preparing to unpack .../net-tools_1.60+git20180626.aebd88e-1ubuntu1_amd64

.deb ...

Unpacking net-tools (1.60+git20180626.aebd88e-1ubuntu1) ...

Setting up net-tools (1.60+git20180626.aebd88e-1ubuntu1) ...

Processing triggers for man-db (2.9.1-1) ...