How to find which application is using the PORT in Linux ?

Let's see an example to find which application is using the PORT number 9000.
We will be using the netstat command , which is a network statistics command line utility.

Find the process PID and name :

Above command netstat combined with grep gave us the filtered result which says process namely java with PID 18347 is using the port number 9000.

Command Line related to process :

Following is the command to get the command line information related to above process.


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