本课件是本人多年来教学实践中积累和制作的《操作系统》这门课程的教学课件（ppt格式），使用多次学生反映较好，有较高实用价值。-Courseware is the teaching practice over the years I accumulated and the production of the "system" of this curriculum courseware ( ppt format), use better reflect the number of students, which have a higher value.