Concepts:

  Virtualization <--- x = new Array(5)
  x is virtual memory created
   
  Treading <--- 1 [ld 5,ax] [ld 5,ax]  Exec order!
                2 [inc  ax] [inc  ax]  
                3 [str   5] [str   5] 
                
  Memory protection <--- 0[10101101]
                         1[mov ax,0]  <--- How to prevent this?
                         2[mov ax,9]  <--- This is ok.        
                         
                         
  File System <---- [name:addr:size] <-- Address table
                    [1111:1011:0110] <-- In binary                    
                1011[101011--------] <-- 6bits at 1011 
                
                
  
  
 --------------------------------
 
 Main OS problems:
 
 Protect the memory from overwrite --> Solution ---> Put extra layer[Virtualize]
                                                ---> CPU registers  [Mem bounds]
                                                ---> Mem key protect[Crypto key]
                                                
 Processes taking too much of time --> Solution ---> Cooperative way[Self pause]                                              
                                                ---> Non Cooperative[Chip Timer]
                                                
 --------------------------------
 
 Kernel boots and:
 
 Set up for interrupt table -- Pointer of table in x86 IDTR register
           [INT_ID:INT_CODE]
           [INT_ID:INT_CODE]
           [INT....SO ON...]
           
           
 Kernel stack pointer in TR -- Task Register ptr.>Task State Segment