Shells ports

Open ports

As a shell user there is a range of ports you may use to run services, this range is ports 5000 to 5500. (Both tcp and udp)

port command

There is a custom made command available from your shell to check which ports are in use.
This is the 'port' command.

Examples of how to use the port command:
Find out if port 5001 is in use:

 coolfire@Lydia:~$ port -s 5001
 (No info could be read for "-p": geteuid()=1000 but you should be root.)
 State for port 5001: In use
 Process info:
 -
 Done.
 coolfire@Lydia:~$