hi
thanks for your replay,
the problem is the sites you gave me are not useful and i wanted to explain the problem that i have one last time and i hope you understand me and give me the solution,
i have many computers connected with lan connection and with a wirless so i need aform.scx that i can enter to any computers from any place for example my home from an ftp(file transfer protocol),can i do it ,i need your helpplease