You can configure the tool to suit your needs using the Preferences dialog. To do this, choose
Tools > Preferences...
. or click 
, and then select
Application Builder
in the list on the left side of the Preferences dialog.
Figure 29.5 Application Builder Preferences
To make the Application Builder clear the output before each build, select the Clear output before doing build option.
To prevent automatic saving of your edited script before a build, deselect the Save the build script before doing build option.
To make the Application Builder ensure that the cursor is at the end of the current output before each build, select the Move to the end of the output when start building option.
You can control whether the Application Builder displays its toolbar by the option Show Toolbar on the General tab, as described in Toolbar configurations.
Click OK in the Preferences dialog to confirm your options and save them for future use.
LispWorks IDE User Guide (Windows version) - 25 Nov 2011