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Many computer hardware vendors use the serial number to uniquely identify a system for the purpose of maintenance requests, warranty inquiries, etc.

Typically the serial number can be found somewhere on the exterior of the case but here are a few methods for finding the number depending on operating system:


Open cmd.exe and type:

wmic bios get serialnumber


Open terminal and type:

ioreg -l | grep IOPlatformSerialNumber

Red Hat Enterprise Linux

Open terminal and type:

dmidecode -s system-serial-number
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