I study Information of Systems at Mackenzie Presbiterian University. Actually I am a trainee at bradesco,work with mainframe-z/os. The ibm employees, whenever they can teach me various things, on various issues related to system z. My relationship with ibm is practically daily, Alessandro Muciolli Travia and Jerri Lazaro Fontes, both employees of ibm, always help me in bradesco, teach me and support me in my development.