The Page
Setup dialog, which you can summon with most applications through
File → Page Setup (Shift--P), lets you
define paper size, orientation, and scale options. These options
apply for the current application; at the start of the printing
process, it consults them in order to figure out the dimensions of
the rectangle that it will draw to for each page. The system
remembers them until the application quits—the next time you
launch that application, Page Setup's values will
return to their defaults.
The standard dialog contains the following controls, as seen in Figure 8-8: