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It’s one of the three main components responsible for your system’s day-to-day performance, alongside the CPU and the oft-forgotten hard disk, and too little of it can be a serious bottleneck.īut choosing how much you want in a new notebook may be difficult enough, and the terms “ DDR” and “ DDR2” could very well mean next to nothing to you. But it is available in the official package repository of Ubuntu 18.04.įirst update the package repository cache of your Ubuntu 18.RAM (Random Access Memory) has been widely regarded as the cheapest, easiest way to improve computer performance for the past decade at least. memtester is not installed on Ubuntu 18.04 by default. On Ubuntu 18.04, you can use memtester command line utility to check your RAM for errors. But on real computers, it should be something like 1333 MHz or something like that.Īt times your RAM may suffer many issues as semiconductor devices like RAM are very fragile. I don’t have the speed of my RAM listed here as I am using a Virtual Machine. As you see from the marked section of the screenshot below. You can also find out the clock speed or speed of the RAM installed on your machine using the dmidecode command. As you can see from the screenshot below, the type of RAM installed on my Ubuntu 18.04 machine is DRAM.

Just scroll down a little bit and you should find information about your RAM. You can press the and arrow keys to navigate this information. You should see the following window as shown in the screenshot below.

You can check the type of RAM you have installed on your Ubuntu 18.04 machine using the following command: Each of these profile define the clock speed at which the RAM should be running. There are other types of memory for portable devices as well such as SDRAM, DRAM etc.Įvery RAM or memory module these days has different profiles. At the time of this writing, the most widely used RAM type is DDR3 and DDR4. There are different types of RAM available in the market. You can also find out how much RAM is used and how much RAM is available using free command.Īs you can see from the marked section of the screenshot below, the RAM used on my Ubuntu 18.04 machine is 1.5 Giga Bytes (GB) and the RAM available or free is 258 Mega Bytes (MB). As you can see from the marked section of the screenshot below, the total installed RAM on my Ubuntu 18.04 machine is 1.9 Giga Bytes (GB).