# netstat

> Displays network-related information such as open connections, open socket ports, etc.

- List all ports:

`netstat -a`

- List all listening ports:

`netstat -l`

- List listening TCP ports:

`netstat -t`

- Display PID and program names for a specific port:

`netstat -p {{protocol}}`

- List information continuously:

`netstat -c`

- Print the routing table:

`netstat -nr`