dmidecode指令可以用來在Linux系統下擷取硬體方面的資訊。dmidecode遵循SMBIOS/DMI标準，其輸出的資訊包括BIOS、處理器、記憶體、緩存等。
dmidecode指令的參數選項及說明
-t 隻顯示指定條目
-s 隻顯示指定DMI字元串的資訊
-q 精簡輸出
[root@linuxprobe ~]# dmidecode -s system-product-name
VirtualBox
[root@linuxprobe ~]# dmidecode -s system-serial-name
Invalid string keyword: system-serial-name
Valid string keywords are:
bios-vendor
bios-version
bios-release-date
system-manufacturer
system-product-name
system-version
system-serial-number
system-uuid
system-family
baseboard-manufacturer
baseboard-product-name
baseboard-version
baseboard-serial-number
baseboard-asset-tag
chassis-manufacturer
chassis-type
chassis-version
chassis-serial-number
chassis-asset-tag
processor-family
processor-manufacturer
processor-version
processor-frequency
[root@linuxprobe ~]# dmidecode -s system-serial-number
[root@linuxprobe ~]# dmidecode -t memory