These instructions refer to Hummingbird Exceed. It is the recommended X emulator for PC's used at PPPL. Educational discounts allow purchases of ten-packs for around $150/license.
Many X-windows applications make use of the middle and right mouse buttons, and you should order one if you don't have one (Logitech is good; a wheel for the middle button is fine). With the default settings in Exceed (see ExceedMouseSettings.GIF), a Logitech mouse should be configured so that button 2 (the wheel) is "Middle Button" and button 3 is "Context Menu/Alternate Select" (see LogitechMouseForExcced.GIF). With some two button mice, you can simulate a middle button by clicking both buttons together.
Here are some tips from /admin/doc/software/exceed-6.2:
o SECURITY If you can't log into a host, you may need to change security settings. This will give Xauthority type security and support xhosts on the client. In Start->Program->Exceed->Xconfig, (or right-click on Exceed in the menu bar, go to Tools->Configuration) double-click on the 'Security' icon. Select "Enabled (no host access)" Check "Allow Clients to Modify Host Access Control List" Click on OK o SETTING 'CAPS LOCK' KEY TO 'CTRL' This will set the CAPS LOCK key to Ctrl for those who are accustomed to Sun keyboards. In Start->Program->Exceed->Xconfig, double-click on 'Input' Create a caps.kbf file by selected edit under the us.kbf file Do a save as 'caps.kbf' Double-click on Caps Set to Control_L Clear the 'lock' key state Set the 'control' key state Click on Apply and OK Edit->Settings In Unlatch, set 'CapsLock' Click on OK Save the file and exit o SETTING HOST SELECT FOR CLEARER CHOICES Normally when you select Exceed, you get a confusing choice of every machine available presented in non-alphabetical order. This will narrow the choices given. In Start->Program->Exceed->Xconfig, double-click on 'Communication' Set 'Mode' to XDMCP-Broadcast Click on 'Configure...' Select 'Host List File:' Click on 'Edit...' Type in the names of the computers you might want to initially log in to. Such as nstxpool or portal Save this file when done and exit. Click OK. Make sure "Use Broadcast Address" is not checked. Click OK again. You can now choose, Start->Program ->Exceed->Exceed to get a login chooser box. The possible machines are listed in the order they responded. To see them in alphabetical order click on 'Host name'To get backspace to run on a machine running Enterprise Linux:
At PPPL Ashwini Borkar may be able to answer any additional questions you have.