针对操作系统课程难教难学、不同细分专业课程目标要求不同的现状，在人工智能尤其是大模型技术发展大背景下，提出使用“大模型+知识图谱”技术对操作系统课程进行个性化实践教学改革，介绍“实践、思政”一体的就业导向的知识图谱和大模型助学的教学实践过程并说明效果。

Operating system,as a core course in computer majors,is facing the current situation of being difficult to teach and learn and having different requirements for course objectives among different specialized subfields.Moreover,due to the numerous application directions in the computer industry,students have their own emphases in characteristics,interests,and employment directions,and their demands for practical learning of the course also vary.In order to better teach students in accordance with their aptitudes,under the background of the development of artificial intelligence,especially large model technology,a research on personalized practical teaching reform of the operating systems course using "large models + knowledge graphs" technology is proposed.Based on the precipitated employment-oriented knowledge graph integrating "practice and ideological-political education" and assisting in learning,not only has the students' learning enthusiasm been enhanced,but also effective exploration has been carried out on the cultivation of students' abilities and qualities in a targeted manner.