Unix for Mac 
Subtitle: Your visual blueprint¿ to maximizing the foundation of Mac OS X
Edition: Pap/Cdr edition
Publisher: Visual
Published: March 7, 2003
Language: eng
Format: Paperback
Number of pages: 352
ISBN-13: 9780764537301
Subjects: Macintosh; Unix, Unix Linux & Unix TCL/TK; Unix (Operating System); Operating Systems - UNIX; Computers; Apple And Macintosh Programming; Programming; Computer - Apple/Macintosh; Operating Systems - Macintosh; Computer Books And Software; Macintosh (Computer); Hardware - Personal Computers - Macintosh; Computers / Operating Systems / General; Programming - Software Development; Operating systems (Computers); UNIX (Computer file); Computer operating systems; Mac OS
First sentence: Up to and including Mac OS 9, the Apple operating system was not based on Unix.