在Linux系统中，您可以使用以下命令来查看内存型号：
“`
sudo dmidecode -t 17
“`
这个命令将会显示您系统中安装的所有内存模块的详细信息，包括制造商、型号、序列号、容量、速度等。请注意，您需要具有sudo权限才能运行这个命令。
如果您只需要查看内存的总容量，可以使用以下命令：
“`
free -h
“`
这个命令将会显示您系统中所有内存的总容量、已使用的容量、可用的容量等信息，但不包括内存模块的详细信息。
$ sudo dmidecode -t memory
执行后显示如下：
# dmidecode 3.0
Getting SMBIOS data from sysfs.
SMBIOS 3.0.0 present.
Handle 0x003D, DMI type 16, 23 bytes
Physical Memory Array
Location: System Board Or Motherboard
Use: System Memory
Error Correction Type: None
Maximum Capacity: 64 GB
Error Information Handle: Not Provided
Number Of Devices: 4
Handle 0x003E, DMI type 17, 40 bytes
Memory Device
Array Handle: 0x003D
Error Information Handle: Not Provided
Total Width: Unknown
Data Width: Unknown
Size: No Module Installed
Form Factor: Unknown
Set: None
Locator: ChannelA-DIMM0
Bank Locator: BANK 0
Type: Unknown
Type Detail: None
Speed: Unknown
Manufacturer: Not Specified
Serial Number: Not Specified
Asset Tag: Not Specified
Part Number: Not Specified
Rank: Unknown
Configured Clock Speed: Unknown
Minimum Voltage: Unknown
Maximum Voltage: Unknown
Configured Voltage: Unknown
Handle 0x003F, DMI type 17, 40 bytes
Memory Device
Array Handle: 0x003D
Error Information Handle: Not Provided
Total Width: Unknown
Data Width: Unknown
Size: No Module Installed
Form Factor: Unknown
Set: None
Locator: ChannelA-DIMM1
Bank Locator: BANK 1
Type: Unknown
Type Detail: None
Speed: Unknown
Manufacturer: Not Specified
Serial Number: Not Specified
Asset Tag: Not Specified
Part Number: Not Specified
Rank: Unknown
Configured Clock Speed: Unknown
Minimum Voltage: Unknown
Maximum Voltage: Unknown
Configured Voltage: Unknown
Handle 0x0040, DMI type 17, 40 bytes
Memory Device
Array Handle: 0x003D
Error Information Handle: Not Provided
Total Width: 64 bits
Data Width: 64 bits
Size: 4096 MB
Form Factor: DIMM
Set: None
Locator: ChannelB-DIMM0
Bank Locator: BANK 2
Type: DDR4
Type Detail: Synchronous
Speed: 2133 MHz
Manufacturer: Kingston
Serial Number: 03189BB9
Asset Tag: 9876543210
Part Number: 9905665-017.A00G
Rank: 1
Configured Clock Speed: 2133 MHz
Minimum Voltage: 1.2 V
Maximum Voltage: 1.2 V
Configured Voltage: 1.2 V
Handle 0x0041, DMI type 17, 40 bytes
Memory Device
Array Handle: 0x003D
Error Information Handle: Not Provided
Total Width: Unknown
Data Width: Unknown
Size: No Module Installed
Form Factor: Unknown
Set: None
Locator: ChannelB-DIMM1
Bank Locator: BANK 3
Type: Unknown
Type Detail: None
Speed: Unknown
Manufacturer: Not Specified
Serial Number: Not Specified
Asset Tag: Not Specified
Part Number: Not Specified
Rank: Unknown
Configured Clock Speed: Unknown
Minimum Voltage: Unknown
Maximum Voltage: Unknown
Configured Voltage: Unknown
从中可以看出内存只插了一个，型号为金士顿 DDR4 2133MHz 4G
Type: DDR4
Type Detail: Synchronous
Speed: 2133 MHz
Manufacturer: Kingston
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