在linux系統(tǒng)中，查看內(nèi)存條個(gè)數(shù)，及每根內(nèi)存的大小，可以使用dmidecode命令。

如下：

#dmidecode | grep -A16 "Memory Device$"

輸出結(jié)果：

Memory Device #存儲(chǔ)設(shè)備Array Handle: 0x1000 #陣列處理Error Information Handle: Not Provided #錯(cuò)誤信息的處理：不提供 Total Width: 72 bits #總寬度： 72位Data Width: 64 bits #數(shù)據(jù)寬度： 64位 Size: 1024 MB #大小Form Factor: Set: 1Locator: DIMM1 Bank Locator: Not SpecifiedType: Type Detail: Synchronous #輸入詳細(xì)信息：同步 Speed: 667 MHz (1.5 ns) #速度： 667兆赫（ 1.5納秒）Manufacturer: 80AD7FB380AD #制造商Serial Number: 42600700 #序號(hào)Asset Tag: 010910Part Number: HYMP112F72CP8D3-Y5--//by www.jb51.netMemory DeviceArray Handle: 0x1000Error Information Handle: Not ProvidedTotal Width: 72 bitsData Width: 64 bitsSize: 1024 MBForm Factor: Set: 1Locator: DIMM2 Bank Locator: Not SpecifiedType: Type Detail: SynchronousSpeed: 667 MHz (1.5 ns)Manufacturer: 80AD7FB380ADSerial Number: 42600213Asset Tag: 010910Part Number: HYMP112F72CP8D3-Y5--Memory DeviceArray Handle: 0x1000Error Information Handle: Not ProvidedTotal Width: 72 bitsData Width: 64 bitsSize: 1024 MBForm Factor: Set: 2Locator: DIMM3 Bank Locator: Not SpecifiedType: Type Detail: SynchronousSpeed: 667 MHz (1.5 ns)Manufacturer: 855185518551Serial Number: 0503BE1AAsset Tag: 4C0838Part Number: 72T128401EFA3SC2 --Memory DeviceArray Handle: 0x1000Error Information Handle: Not ProvidedTotal Width: 72 bitsData Width: 64 bitsSize: 1024 MBForm Factor: Set: 2Locator: DIMM4 Bank Locator: Not SpecifiedType: Type Detail: SynchronousSpeed: 667 MHz (1.5 ns)Manufacturer: 855185518551Serial Number: 0503BF1FAsset Tag: 4C0838Part Number: 72T128401EFA3SC2 --Memory DeviceArray Handle: 0x1000Error Information Handle: Not ProvidedTotal Width: 72 bitsData Width: 64 bitsSize: No Module InstalledForm Factor: Set: 3Locator: DIMM5 Bank Locator: Not SpecifiedType: Type Detail: SynchronousSpeed: UnknownManufacturer: Serial Number: Asset Tag: Part Number: --Memory DeviceArray Handle: 0x1000Error Information Handle: Not ProvidedTotal Width: 72 bitsData Width: 64 bitsSize: No Module InstalledForm Factor: Set: 3Locator: DIMM6 Bank Locator: Not SpecifiedType: Type Detail: SynchronousSpeed: UnknownManufacturer: Serial Number: Asset Tag: Part Number: --Memory DeviceArray Handle: 0x1000Error Information Handle: Not ProvidedTotal Width: 72 bitsData Width: 64 bitsSize: No Module InstalledForm Factor: Set: 4Locator: DIMM7 Bank Locator: Not SpecifiedType: Type Detail: SynchronousSpeed: UnknownManufacturer: Serial Number: Asset Tag: Part Number: --//by www.jb51.netMemory DeviceArray Handle: 0x1000Error Information Handle: Not ProvidedTotal Width: 72 bitsData Width: 64 bitsSize: No Module InstalledForm Factor: Set: 4Locator: DIMM8 Bank Locator: Not SpecifiedType: Type Detail: SynchronousSpeed: UnknownManufacturer: Serial Number: Asset Tag: Part Number:

然后，用free命令查看當(dāng)前內(nèi)存的使用情況：

# free -m total used free shared buffers cachedMem: 4054 2963 1090 0 144 1272-/+ buffers/cache: 1547 2506Swap: 4094 0 4094