命令：sudo dmidecode
会分门别类地举出系统各个部分的所有信息。
如果想看某一项，可以用：
sudo dmidecode -t processor (CPU核芯)
sudo dmidecode -t memory (内存)
sudo dmidecode -t cache (缓存)
sudo dmidecode -t system (电脑型号、产商)
sudo dmidecode -t slot (插卡槽)
sudo dmidecode -t baseboard (主板)
sudo dmidecode -t connector (连接设备)
sudo dmidecode -t chassis (机箱)
sudo dmidecode -t bios (BIOS)
或者用数字表示，例如，查看内存的具体型号，可以用：sudo dmidecode -t 17
其他设备的编号如下：
1 System
2 Base Board
3 Chassis
4 Processor
5 Memory Controller
6 Memory Module
7 Cache
8 Port Connector
9 System Slots
10 On Board Devices
11 OEM Strings
12 System Configuration Options
13 BIOS Language
14 Group Associations
15 System Event Log
16 Physical Memory Array
17 Memory Device
18 32-bit Memory Error
19 Memory Array Mapped Address
20 Memory Device Mapped Address
21 Built-in Pointing Device
22 Portable Battery
23 System Reset
24 Hardware Security
25 System Power Controls
26 Voltage Probe
27 Cooling Device
28 Temperature Probe
29 Electrical Current Probe
30 Out-of-band Remote Access
31 Boot Integrity Services
32 System Boot
33 64-bit Memory Error
34 Management Device
35 Management Device Component
36 Management Device Threshold Data
37 Memory Channel
38 IPMI Device
39 Power Supply
40 Additional Information
41 Onboard Device
外接硬件：lsusb