HEAD将所有文件和子目录列在清单方块中。您可以挑选某个被选择的文件来显示，方法是在该文件上使用鼠标双击或者使用Enter键按下要选的文件。您也可以使用这两种方法之一来改变子目录。这个程序在HEAD窗口显示区域的右边，从文件的开头开始显示，它最多能够显示8 KB的内容。-HEAD，lists all files and child subdirectories in the list box. It allows you to choose a file to display by double-clicking on the filename with the mouse or by pressing the Enter key when the filename is selected. You can also change the subdirectory using either of these methods. The program displays up to 8 KB of the beginning of the file in the right side of the client area of HEAD s window.