The final Lisa and Macintosh operating systems use concepts from the Xerox Alto, but many elements of the graphical user interface were created by Apple including the menu bar, pull-down menus, and the concepts of drag and drop and direct manipulation.
Sistem operasi Lisa dan Macintosh menggunakan konsep dari Xerox Alto, tetapi banyak elemen antarmuka pengguna grafis dibuat oleh Apple termasuk menu bar, menu pull-down, dan konsep drag and drop dan manipulasi langung.