Chapter 5 of the book “Análisis y diseño de sistemas” by Kendall and Kendall focuses on the process of gathering information for a system. This is an important step in the development of any system as it helps to identify the requirements and needs of the users. The chapter discusses various methods of gathering information such as interviews, questionnaires, observation, and document analysis. It also emphasizes the importance of understanding the organizational structure and culture of the company in order to gather relevant information. The chapter concludes by highlighting the need for effective communication and collaboration between the system developers and the users to ensure that the system meets the needs of the users. As a seventeen-year-old pupil, it is important to understand the significance of gathering information in the development of any system and the various methods that can be used to achieve this.