A large amount of resources and effort have been devoted to the development of open source software like Linux. The development of Linux as the most well-known open source software with graphical user interface and useful functionalities is expected to result in the high level of Linux adoption by individual users based on the technology adoption model. However, Linux has about one percent of the operating systems market for personal computers. User resistance to switch remains one of the major obstacles in any successful open source migration. Based on the integration of equity implementation model and technology adoption model, this study examines how users form their resistance and the effect of user resistance on the adoption of Linux by individual users for their personal computers. The findings show that the adoption intention is negatively influenced by user resistance to switch. This study discusses the role and effect of user resistance to switch based on the equity implementation model in comparison with the two main determinants of technology adoption. This study contributes toward advancing theoretical understanding of OSS migration and user resistance. The findings also offer OSS community and practitioners suggestion for promoting the use of OSS by individual users.