[erlang-questions] Pid, port connection syntax

[kg9020@REDACTED]

Hello,

I am looking for  documentation that shows how to connect to port
port_command(Port, Data) .... i know the port is the Pid,
i have not been able to find format ....
example PID <0.153>
so is it port_command(<0.153> or 0.153 or 153 or ...... man says PID but
does not say the
format of PID ... as from the shell i see most pids  as <0.XXXX> ... so if
some one can point to where in documentation I can find this information ...
thanks
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