The command window provides access to the standard GDB command
interpreter. In nearly all cases, commands typed into this window
behave exactly as for a non-windowing GDB.
Note that not all changes to GDB are be reflected in this window.
For instance, if you type a `step' command, then click on the
`step' menu item in the source window, then type another
`step' command, the command buffer shows only two steps, although
you have actually done three. GDB places an ellipsis (...) in
the command buffer when operations in other windows are done, as a
reminder that the command buffer is incomplete. The command window has
no status line or button box.
(This example screen is the initial Command Window from the Unix version
of the GDB GUI.)