dmidecode

Overview

dmidecode dumps the DMI/SMBIOS tables: manufacturer, product, serial, BIOS version, memory slots, etc. Requires root.

Syntax

sudo dmidecode [options]

Common Options

Option	Description
-t type	system, bios, baseboard, memory, processor, chassis, …
-s keyword	Print one string (system-serial-number, system-product-name, …)
-u	Dump raw
-q	Less verbose

Examples with Explanations

sudo dmidecode -t system
sudo dmidecode -t bios
sudo dmidecode -t memory
sudo dmidecode -s system-product-name
sudo dmidecode -s system-serial-number
sudo dmidecode -t processor | egrep 'Version|Core|Thread|Max Speed'

Inventory one-liners

sudo dmidecode -s system-manufacturer
sudo dmidecode -s system-uuid
sudo dmidecode -t memory | grep -E 'Size:|Locator:|Speed:'

Notes

• VMs often expose synthetic DMI data.
  
• Serials are sensitive — sanitize before sharing.
  
• Alternative: lshw, /sys/class/dmi/id/*.

Related Commands

• lshw
  
• lscpu
  
• cat /sys/class/dmi/id/product_name