For Windows, the default terminal choice is the Windows cmd. It has a limited functionality, for example, no logging, limited buffering, few hot keys, a clumsy (first arbitrary choice) tab completion, and so on. But as restricted as it is, to use ClearCase, it is still much more powerful, and more functional than the GUI. Even some quite basic ClearCase commands (for example, create a symbolic link in the vob root directory, change file permissions, remove labels from a version, and so on) are only available on the command line.
Here are some useful hints on configuring the Windows cmd to make it more usable:
QuickEditin Registry Editor ( ...