Chapter 3 : Memory Management

              

            

1.       Memory  management is done by memory manager..
2.      Main tasks are to :

          ☺ keeping track of which parts of memory are in used and which parts are not in use.

          ☺ allocating memory to processes when they need it and dellocate it when they are done.
          ☺ manage swapping between main memory and disk when main memory  is too small to hold

               all the processes.