This linux command is used to query the domain name system (DNS) to obtain information about host addresses, mail exchanges, nameservers, and related information.
dig
This linux command is used to display the network statistics.
netstat
This is a linux command-line utility for searching plain-text data sets for lines that match a regular expression. It works in Unix, Linux, and macOS operating systems.
grep
Global Regular Expression Print
This linux command utility is used to install new software packages, and even upgrade entire operating systems. It works with Ubuntu and Debian-based Linux distributions.
get-apt
works with Ubuntu’s APT (Advanced Pakaging Tool) library.