The Remote File Storage API (RFS API) has been created to assist developers create client/server applications with remote files access. It help you to build your own RFS server and RFS client applications, using only two dynamic link libraries: rfssrv.dll and rfsclt.dll. RFS API allows you to configure your server - define RFS devices and users/logins, specify user's rights for each device. It makes your server secure. From the client site you have a most frequently used files functions, such as FileCreate, FileOpen, FileRead, FileWrite, CreateDir and a lot of others.