I just got a linux box and i installed apache, mono and i'm about to install mysql.
I checked the memory with free -mt and got this.
total used free shared buffers cached Mem: 492 470 22 0 31 343
This means i have 492mb in total and i am using 470!?! how can i be using 470! i should only be running apache2. How do i figure out where my ram is going.