OSG School in Manizales (Colombia) Scientific Computing on Grids: Introductory Grid Computing Overviews and User Capabilities During this school students will learn how to get the maximum benefit that modern Grid Computing technologies offer to the scientific communities. Starting from the basics, attendees will learn how to dramatically improve the efficiency and performance of their scientific research using Grid Computing infrastructures. At the school the skills to work efficiently on this platform will be acquired and the students will be ready to start making use of those skills. This course will focus on the Open Science Grid (OSG) approach to the Grid Computing, in a good balance between lectures and practices. The content of this school is very general and open to everyone involved in science willing to learn how to use Grid Computing to improve their research performance. Especially interesting for PhD students, senior investigators, and scientific team leaders. Lessons will be given by Jose Caballero, OSG staff member since 2008. The lectures will be delivered in Spanish, but the documentation will be in English. Some basic knowledge of Linux command line is required. Students can bring their own laptops if they want.