Mac Os X History Ppt

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Mac OS X HISTORY

Mac OS X's history is actually more closely tied to Steven P. Jobs 

(May 31, 1985) He was demoted

from his executive position in Apple Inc. 

Job resigned on September 13, 1985



He formed NeXT Inc.-Steve Jobs' new company (1985- Dec. 20, 1996)

NeXT Inc. in the Business 

Steve Jobs met Paul Berg at an event held in Silicon Valley.



Berg complained to Jobs about the of expense in teaching students about recombinant DNA from textbooks instead of in the wet lab.



Berg explained to Jobs that he needed Apple to create something similar to a 3M workstation



This idea led Jobs to starting his own computer company immediately after resigning from Apple.

next is NeXT 

Jobs started Next with his fellow Apple employees Bud Tribble, George Crow, Rich Page, and Susan Barnes



NeXTSTEP was intended to be a highly advanced object-oriented programming environment and user interface.



plans for the NeXT computer were to purchase an already available OS to meet NeXT's demanding specifications.

TIME OF DEVELOPING 

Jobs went to Carnegie Mellon University and recruited Avie Tevanian, to lead NeXT's team of software development.



NeXT began development of their operating system using Objective-C.



Jobs unveiled the first NeXT computer that was running NeXTSTEP 0.8 on October 12, 1988 in San Francisco (NeXTSTEP was based on Mach2.5and 4.3BSD )

NeXT Inc. Inc. 

NeXT Software

NeXT's failed as a hardware company in the late 80's and early 90's. -it began porting the NeXTSTEP OS to run on Intel systems (1992).



-NeXT soon after dropped their hardware business altogether and re-named the company NeXT Software, Inc . Due to the flexible nature of the NeXT OS it became very popular.

NeXTSTEP 

OpenStep

NeXT teamed up with Sun Microsystems (Next Step's development continued under the name OpenStep ) - OpenStep was basically NeXTSTEP without the Mach Unix kernel.

NextSTEP

MAC OS X



(December 20, 1996) Apple purchased NeXT Software, Inc. for $429 million.



NeXTSTEP became Apple's next operating system which we all know today as Mac OS X.

BRIEF BRIEF BRIEF HISTORY 

Job was demoted from Apple Inc.



Job resigned



Job open new company (Next Inc.)



Create NeXTSTEP OS



NeXTSTEP Inc. became NeXTSTEP Software Inc.



NeXTSTEP OS become OpenSTEP as the Sun Microsystems teamed up



Apple purchased NeXT Software Inc.



NeXTSTEP became Apple's next operating system which we all know today as Mac OS X

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