Linux和Windows数据系统能共存吗

Planning to have two system - Linux (running Java and databae posgrsql) and Windows (running .net application and database MS SQL) in parallel. Some of the data residing in both the database systems are accessed by both the applications in Linux and Windows. So, can the two system co-exists? Can either of the applications access and manipulate the data? Planning to have two system - Linux (running Ja