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$ system_profiler |grep "Serial Number (system)" The results for this string will look something like the following: System_profiler |grep "Serial Number (system)"

On prior versions of Mac OS X like El Capitan, Yosemite, and Mavericks, the following string will retrieve the Macs serial number: "IOPlatformSerialNumber" = "C241BABDLLRP8" How to Get Serial Number by Command Line in Prior Mac OS X The resulting output with serial number will look like the following: On modern versions of MacOS like Mojave, High Sierra, and Sierra, or newer, the following command syntax will retrieve the serial number from the Mac: How to Get Mac Serial Number by Command Line in Modern MacOS Be sure the command is on a single line, as usual with command line syntax. To try this yourself and get the serial number on any Mac OS machine, enter the appropriate command string below at the Terminal, depending on the version of Mac OS X in use on the Mac. Open the System Information (or System Profiler) app from the Utilities folder of your Applications folder, or click the System Info (or More Info) button in About This Mac.How to Get the Serial Number of a Mac from Command Line in Mac OS X If you see an About This Mac window like the following, double-click the version number beneath “OS X” to reveal the serial number: About This Mac shows an overview of your Mac, including the name and version of its operating system, its model name, and its serial number: Use About This MacĬhoose About This Mac from the Apple menu () in the upper-left corner of your screen. Identifying your Mac model is also important when selling or giving away your Mac or learning whether it's compatible with the latest operating system or other software or hardware. You might want the model name or serial number of your Mac when checking warranty coverage, searching for specifications or other information about your model, creating a home inventory, and more.