This graph gives you an overview of the usage of physical memory in your system. Most operating systems (including Linux) will use as much of the available physical memory as possible as disk cache, to speed up the system performance. This means that if you have a small amount of Free Physical Memory and a large amount of Disk Cache Memory, your system is well configured.
Dizze grafyk jout jo in oersjoch fan it brûkme fan fysyk ûnthâld yn jo systeem. De measte bestjoeringssystemen (ek lnux) sille safolle as it kin de beskikbere fysysk ûnthâld brûke as lyts skiif ûnthâld, om jo systeem prestaasje rapper te meitsjen. Dit jout oan dat as jo in lyts stik Frij fysyk ûnthâld en in grut stik Lyts skiif ûnthâld ha, dat jo systeem goed konfigurearre is.