SAP provides you with a variety of logon and operating system methods, including Windows GUI, Java GUI, and Web GUI. The following describes each method.
Windows GUI is the most common and standard Logon method. It can fully use all SAP functions and can only run on Windows platforms. Now there are two commonly used versions, respectively 640 and 710, you can download to the ftp://ftp.sap.com/pub/sapgui/win/ directory, usually should also often go to the corresponding patch directory to download the latest patch.
Java GUI is a logon Method for Java users. It can use most sap functions and has weak printing functions. It is compatible with various operating systems, such as UNIX, Linux, Solaris, and Mac OS, of course, it can also run after the Java Virtual Machine is installed in windows. The current version is 710, you can download to the ftp://ftp.sap.com/pub/sapgui/java directory, generally download the latest version. The connection setting method of Java GUI is slightly different from that of Windows GUI. For details, refer to the instructions in manual.
Web-based Java GUI is a type of deformation of the Java GUI. The main advantage is that it can simplify the installation of the client, so that users who are not familiar with system installation can also get started quickly. To use the web-based Java GUI, you must have a dedicated web server to place the installation files and Connection Files. For specific settings, see http://blog.sina.com.cn/s/blog_4f9d7c7a01009qx7.html.
Web GUI is a way to use a web browser as an SAP client. Its advantage is that the client does not need to install any SAP software and can be used as long as it has a browser. In sap r/3 4.x, you need to install its server separately to use the Web GUI, and this method is rarely used, so you don't have to worry about it any more. In the SAP NetWeaver era, the Web login method has been integrated into the application server platform. You can enable Web GUI login with simple settings in a few steps. The relevant transaction code is sicf, and the specific usage can be Google.