Method for processing file of sub memory in wireless terminal

The process of the method of processing to access a file stored in the sub-memory in a portable terminal including a sub-memory and a main memory for storing large amounts of data, store a file system menu of the boot-up state the sub-memory in the internal memory and the auxiliary in the standby mode and storing in a main memory when a file access mode for the memory, and to a process and a file selected from the displayed menu for displaying a menu of the file system access from the second memory buffers into the buffer of the main memory to the upper limit reference value set in the buffered ends the processing, and data processing and buffering process that drops the file data to the process, and less than a predetermined amount of data buffered lower limit reference value in the process of processing data for processing the data buffered in the second memory buffer to the upper limit reference value of the buffer this process repeats until a command occurs, Lure and luggage features. An auxiliary memory, disk, HDD, data buffering