By Paul Watters
This thoroughly revised all-in-one examination consultant inclues 3 complete perform tests, info, information, finish of bankruptcy quizzes and suggestion on tricky technical themes.
Read or Download Sun Certified Solaris(tm) 9 System and Network Administrator All-in-One Exam Guide PDF
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Extra resources for Sun Certified Solaris(tm) 9 System and Network Administrator All-in-One Exam Guide
In the meantime, AT&T continued with their commercial development of the UNIX platform. In 1983, they released the first System V Release 1, which had worked its way up to Release 3 by 1987. This is the release that several of the older generation of mainframe hardware vendors, such as HP and IBM, based their HP-UX and AIX systems upon, respectively. At this time, Sun and AT&T also began planning a future merging of the BSD and System V distributions. x systems, which were entirely based on BSD.
In this section, we examine the timeline leading to the development of UNIX, and the origins of the two main “flavors” of UNIX: AT&T (System V) and BSD. Origins of UNIX In 1969, Ken Thompson from AT&T’s Bell Telephone Labs wrote the first version of the UNIX operating system, on a DEC PDP-7. Disillusioned with the inefficiency of the Multics (Multiplexed Information and Computing Service) project, Thompson decided to create a programmer-friendly operating system that limited the functions contained within the kernel and allowed greater flexibility in the design and implementation of applications.
This will make many more addresses available for Internet hosts than are currently available. It also means that the number of crackers, thieves, and rogue users will also increase exponentially. Solaris 9 prepares your network for this “virtual onslaught” by embracing IPv6, not only for its autoconfiguration and network numbering features, but also because of the built-in security measures that form part of the protocol. In particular, authentication is a key issue after the many highly publicized IP-spoofing breaches reported in the popular press over the past few years.