macOS - Wikipedia
Mar 31, 2015 Ports used by Profile Manager in macOS Server - Apple Support Jan 28, 2020 Introduction to Porting UNIX/Linux Applications to OS X Jun 11, 2012 OpenJDK: Mac OS X Port Project
attempt to locate a program like lsof on the OS X install disk, if possible, by exploring the base install packages transfer the image from another OS X system that you know for sure isn't compromised Find the sources to the utility and compile it yourself Once you have a "known good" copy, you can run it to check out if anything is awry.
The MacPorts Project -- Download & Installation The MacPorts Project is an open-source community initiative to design an easy-to-use system for compiling, installing, and upgrading either command-line, X11 or Aqua based open-source software on the Mac OS X operating system. macos - How to find the serial port number on Mac OS X While entering the serial port name into the code in arduino IDE, enter the whole port address i.e: /dev/cu.usbmodem* or /dev/cu.UG-* where the * is the port number. And for the port number in case of mac just open terminal and type. ls /dev/* and then search for the port that u have set in arduino IDE.
macOS version history - Wikipedia
May 20, 2014 How to open ports in OS X? : osx - reddit Jan 25, 2008 Using the Terminal to ping a port number? | Mac Support