text: /*
  This functions passes an int errorCode and command string and display the 
  appropriate error message for that errorCode
  ERRORCODE -1 : RAN OUT OF SHELL MEMORY
  ERRORCODE -2 : INCORRECT NUMBER OF ARGUMENTS
  ERRORCODE -3 : SCRIPT NOT FOUND
  ERRORCODE -4 : UNKNOWN COMMAND.
  ERRORCODE -5 : NOT ENOUGH RAM (EXEC)
  ERRORCODE -6 : SCRIPT <NAME> ALREADY LOADED (EXEC)
  */
  void displayCode(int errorCode,char* command);
  
  int parse(char ui[]);
  
  int shellUI();
  
  