~~META:
date created = 2016-08-10 09:00
&date modified = 2016-08-10 09:00
~~
====== Retrieve Windows Key from ACPI tables in linux ======
<code bash>
$ sudo xxd /sys/firmware/acpi/tables/MSDM
00000000: 4d53 444d 5500 0000 03c5 4c45 4e4f 564f  MSDMU.....LENOVO
00000010: 5450 2d47 4a20 2020 7022 0000 5054 4543  TP-GJ   p"..PTEC
00000020: 0200 0000 0100 0000 0000 0000 0100 0000  ................
00000030: 0000 0000 1d00 0000 324d 504b 4e2d 4236  ........2****-B*
00000040: 3438 322d 424b 4356 392d 3637 4758 432d  ***-B****-6****-
00000050: 5732 5042 43    
</code>
{{tag>kb linux windows key}}