In a Usenet message, 29 Jan 1992. 
The "Linux is Obsolete" Debate
                                    
Andrew S. Tanenbaum: System
Andrew S. Tanenbaum is Dutch computer scientist. Explore interesting quotes on system.
                                        
                                        In a Usenet message, 3 Feb 1992. 
The "Linux is Obsolete" Debate
                                    
                                        
                                        In a Usenet message, 5 Feb 1992. 
The "Linux is Obsolete" Debate
                                    
Operating Systems Design and Implementation, 3rd ed., p. 310.
“A multithreaded file system is only a performance hack.”
                                        
                                        In a Usenet message to Linus Torvalds, 30 Jan 1992. 
The "Linux is Obsolete" Debate
                                    
Modern Operating Systems (with co-author Herbert Bos), 4th ed, p. 596