How do I find my Mac OSX software serial number?

You have a few options to collect the Mac OSX software serial number from the command line. One option is the serverserialnumberutil command:

sudo /System/Library/ServerSetup/serverserialnumberutil -get

Another option is to su to root (sudo su -) and do the following:

cat /etc/systemserialnumbers/xsvr

It’s good to store these serial numbers in a secure place in case you need it in the event of a failure.

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