Update cheatsheets

linux/dmidecode

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+---
+syntax: markdown
+tags: [tldr, linux]
+source: https://github.com/tldr-pages/tldr.git
+---
+# dmidecode
+
+> Display the DMI (alternatively known as SMBIOS) table contents in a human-readable format.
+> Requires root privileges.
+> More information: <https://manned.org/dmidecode>.
+
+- Show all DMI table contents:
+
+`sudo dmidecode`
+
+- Show the BIOS version:
+
+`sudo dmidecode -s bios-version`
+
+- Show the system's serial number:
+
+`sudo dmidecode -s system-serial-number`
+
+- Show BIOS information:
+
+`sudo dmidecode -t bios`
+
+- Show CPU information:
+
+`sudo dmidecode -t processor`
+
+- Show memory information:
+
+`sudo dmidecode -t memory`