Posted by : Rhyf Ahmad Wednesday, May 13, 2015

Dennis Ritchie at AT&T Bell Laboratories pioneered the C programming language in the early 1970s. However, this programming language did not begin to gain widespread popularity and support until the late 1970s. This was because, until that time, C compilers were not readily available for commercial use outside of Bell Laboratories.

Initially, this growth in popularity was also partly spurred by the equal, if not faster, growth in popularity of the UNIX operating system, which was written almost entirely in C. Brad J. Cox designed the Objective-C language in the early 1980s. The language was based on a language called SmallTalk-80. Objective-C was layered on top of the C language, meaning that extensions were added to C to create a new programming language that enabled objects to be created and  manipulated. NeXT Software licensed the Objective-C language in 1988 and developed its libraries and a development environment called NEXTSTEP. In 1992, Objective-C support was added to the Free Software Foundation’s GNU development environment.The copyrights for all Free Software Foundation (FSF) products are owned by the FSF. It is released under the GNU General Public License.

Contents:

What You Will Learn from This Book
How This Book Is Organized
Support
Acknowledgments
Preface to the Fourth Edition




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