===== Windows  =====

  * https://docs.microsoft.com/en-us/sysinternals/downloads/process-explorer
  * https://docs.microsoft.com/en-us/sysinternals/downloads/procmon

===== Linux / Unix =====

==== strace  ====

Network

To start and monitor an new process:

<code>''strace -f -e trace=network -s 10000 PROCESS ARGUMENTS
''

</code>

To monitor an existing process with a known PID:

<code>''strace -p $PID -f -e trace=network -s 10000''

</code>

==== lsof ====

<code>''lsof -i -a -p `pidof nc`''

</code>

==== pidof ====

==== fuser ====