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Page "IBM AIX" ¶ 37
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AIX and 4
AIX is based on UNIX System V with 4. 3BSD-compatible extensions.
In developing AIX, IBM and Interactive Systems Corporation ( whom IBM contracted ) also incorporated source code from 4. 2 and 4. 3 BSD UNIX.
AIX Version 4, introduced in 1994, added symmetric multiprocessing with the introduction of the first RS / 6000 SMP servers and continued to evolve through the 1990s, culminating with AIX 4. 3. 3 in 1999.
In 2003, the SCO Group alleged that ( among other infractions ) IBM had misappropriated licensed source code from UNIX System V Release 4 for incorporation into AIX ; SCO subsequently withdrew IBM's license to develop and distribute AIX.
AIX / 370 was released in 1990 with functional equivalence to System V Release 2 and 4. 3BSD as well as IBM enhancements.
* AIX 4. 3. 3, September 17, 1999
* AIX 4. 3. 2, October 23, 1998
* AIX 4. 3. 1, April 24, 1998
* AIX 4. 3, October 31, 1997
* AIX 4. 2. 1, April 25, 1997
* AIX 4. 2, May 17, 1996
* AIX 4. 1. 5, November 8, 1996
* AIX 4. 1. 4, October 20, 1995
* AIX 4. 1. 1, October 28, 1994
* AIX 4. 1, August 12, 1994
* AIX 4. 0, 1994
The default shell was Bourne shell up to AIX version 3, but was changed to Korn shell ( ksh88 ) in version 4 in view of XPG4 and POSIX compliance.
The original KornShell, < tt > ksh88 </ tt >, is the default shell on AIX since version 4. with ksh93 available separately.

AIX and .
AIX ( Advanced Interactive eXecutive, pronounced ) is a series of proprietary Unix operating systems developed and sold by IBM for several of its computer platforms.
Originally released for the IBM 6150 RISC workstation, AIX now supports or has supported a wide variety of hardware platforms, including the IBM RS / 6000 series and later IBM POWER and PowerPC-based systems, IBM System i, System / 370 mainframes, PS / 2 personal computers, and the Apple Network Server.
The AIX family of operating systems debuted in 1986, became the standard operating system for the RS / 6000 series on its launch in 1990, and is still actively developed by IBM.
AIX was the first operating system to utilize journaling file systems, and IBM has continuously enhanced the software with features like processor, disk and network virtualization, dynamic hardware resource allocation ( including fractional processor units ), and reliability engineering ported from its mainframe designs.
AIX Version 1, introduced in 1986 for the IBM 6150 RT workstation, was based on UNIX System V Releases 1 and 2.
Among other variants, IBM later produced AIX Version 3 ( also known as AIX / 6000 ), based on System V Release 3, for their IBM POWER-based RS / 6000 platform.
In the late 1990s, under Project Monterey, IBM and the Santa Cruz Operation planned to integrate AIX and UnixWare into a single 32-bit / 64-bit multiplatform UNIX with particular emphasis on running on Intel IA-64 ( Itanium ) architecture CPUs.
A beta test version of AIX 5L for IA-64 systems was released, but according to documents released in the SCO v. IBM lawsuit, less than forty licenses for the finished Monterey Unix were ever sold before the project was terminated in 2002.
AIX was a component of the 2003 SCO v. IBM lawsuit, in which the SCO Group filed a lawsuit against IBM, alleging IBM contributed SCO's intellectual property to the Linux codebase.

AIX and 1
AIX 6 was announced in May 2007 and ran an open beta from June 2007 until the general availability ( GA ) of AIX 6. 1 on November 9, 2007.
Major new features in AIX 6. 1 included full role-based access control, workload partitions ( which enable application mobility ), enhanced security ( Addition of AES encryption type for NFS v3 and v4 ) and Live Partition Mobility on the POWER6 hardware.
With the introduction of the ESA / 390 architecture, AIX / 370 was replaced by AIX / ESA in 1991, which was based on OSF / 1, and also ran on the System / 390 platform.
* AIX 3. 1, February 1990
* AIX PS / 2 v1. 1, 1989
* AIX version 6. 1 information center
* AIX version 6. 1 overview
Another example is System Workload Partitions ( WPARs ), introduced in the IBM AIX 6. 1 operating system.
IBM used OSF / 1 as the basis of the AIX / ESA operating system for System / 370 and System / 390 mainframes.
IBM introduced JFS with the initial release of AIX version 3. 1 in February, 1990.
The operating system was IBM AIX 1. 5L.
Apple never ported A / UX to PowerPC Macintoshes ( though A / UX 4. 0 was rumored to have been an OSF / 1 adaptation ), and the company all but abandoned it by 1996, preferring to use a slightly modified version of IBM ’ s AIX system on their mid-90s Apple Network Servers.
The 800-series can run Windows NT 3. 5 ( probably 4. 0 as well ), OS / 2, AIX 4. 14, Solaris Desktop 2. 5. 1 PowerPC Edition, and Linux.

AIX and 3
* AIX 3. 2 1992
* AIX 3. 0 1989
* AIX version 5. 3 Documentation
Commercial Unix vendors, such as Sun, HP, DEC, and IBM each received copies of the vi source, and their operating systems, Solaris, HP-UX, Tru64, and AIX, today continue to maintain versions of vi directly descended from the 3. 7 release, but with added features, such as adjustable key mappings, encryption, and wide character support.
* AIX 3. 2. 3 or later

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