Netstat is a command-line utility tool in Linux that displays information about the networking subsystem

It can be used to troubleshoot network-related issues on a Linux system

some common use cases of the netstat command for network troubleshooting are

"netstat all" command is used to display all active network connections, including TCP, UDP, and UNIX domain sockets

"netstat -s" command is used to display network statistics.

"netstat --route" command is used to display the kernel routing table

netstat command can also be used to check all tcp/udp connections

A user can also apply filters in the netstat command