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Since the last decade, the area of Wireless Sensor Networks (WSN) is a field search on the rise. Due to its high mobility and scalability in several areas, acting on functions of sensing, monitoring, tracking, control and maintenance, WSNs are increasingly attracting researchers for the study. With the advent of computer simulations, it has been eliminated, in part by the necessity of obtaining real sensors, which because of its implementation cost, eventually disabling the initial analysis and further tests with these networks. Considering that most of these simulator programs are native from GNU/Linux, expertises are needed to implement these tools in the operating system, which can be a problem. This paper presents the Liowsn project, which is a GNU/Linux operating system remastered with several classic tools of literature already installed and configured, and it has been proposed in order to achieve a higher speed in the implementation process of the simulation environment to study this type of network.