dmidecode

Display BIOS and hardware information from the system firmware.

What it does

dmidecode reads data from the system's DMI (Desktop Management Interface) table to provide detailed information about hardware such as BIOS, system manufacturer, memory, and motherboard.

Quick Start

# Requires root
sudo dmidecode

# Show system information
sudo dmidecode -t system

Examples

# Show BIOS info
sudo dmidecode -t bios

# Show memory info
sudo dmidecode -t memory

# Show processor info
sudo dmidecode -t processor

# Filter output
sudo dmidecode | grep -i serial

Notes

Requires root privileges
Reads firmware tables directly
Useful for inventory and diagnostics
Output depends on BIOS accuracy