The PEAR Installer provides a front-end (user interface) API that is used to implement different types of user interfaces.
The PEAR Command Line Interface installer runs in a terminal shell with human-readable text output. You have seen examples for this front-end from in the previous sections.
Earlier, you learned that the PEAR Installer separated the user interface code into “front-ends.” So far, this chapter has presented only the CLI front-end; in this section, you glance at the Gtk (GNOME) front-end.
Gtk is a graphical user interface toolkit that is common among Linux users. A Windows port exists as well, but this section focuses on the UNIX/Linux ...