I've shown you the basics of each command. When you first start using Linux, that's all you'll need. However, as you keep going, you might need to use the more advanced features of those commands. The ...

When an application doesn't respond, it's usually accompanied by it gobbling up system resources. Should that application consume all your remaining CPU or RAM, your system could become unresponsive, ...

The MEMORY storage engine stores all data in memory (RAM), and is used for fast lookup of data. InnoDB supports a buffer pool ...