(remember in "size =" specify the size, in my example I have opted for 1024MB, that is, 1GB, or you can also use "G" instead of "M" to specify it in GB) Once you know this, we get to work with the following steps from your terminal: I repeat, his thing is that you have more RAM, if you have 2GB or 4GB it may not be worth it. For example, if you have 8GB of RAM, you could take 2GB for the RAMDisk. To create this memory, you must calculate the memory you have, since if you exhaust all or a large part of it you will run out of RAM for the purposes for which it was created and it will be stupid. Something like what some GPUs for laptops did with Share Memory, but in this case for your data. The only requirement is to have enough RAM,> 4GB recommended, to reserve a bit of it to use as an ultra-fast "hard disk". For that you can create a RAMDisk on your Linux distro. Well, you don't need an i-RAM or an SSD, or anything like that to speed up transfers and access to the directories, files or programs you want.
What is it about? Well, it is basically using RAM memory to store data as if it were a hard disk, so access is much faster. They didn't really gel and ended up disappearing from the market, and now with SSDs (and RAM-based SSDs) it makes even less sense. Gigabyte thought a few years ago to create a hard drive with RAM (a RAMDisk called i-RAM), a very fast memory compared to hard drives, but something similar happened to what happened to Ageia with its PhysX card. More recently SSD hard drives have appeared, which are faster than magnetic-mechanical HDDs as they are based on flash memory. Later, with the advancement of microprocessors came the cache, even faster to offer a buffer between the RAM and the CPU registers. The bottlenecks generated in the past between magnetic memories and processors meant that a faster buffer memory had to be included, RAM. As you know, the access speed of a memory is very important.
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