![]() Released in 1989, A/UX 1.1 supplies the basic GUI of System 6, with Finder, Chooser, Desk Accessories, and Control Panels and it provisions Unix with the X Window System (X11R3) GUI, the Draft 12 POSIX standard, and overall improved speed comparable to a low end Sun workstation. It was capable of running a single Mac program at a time, using the System 6 interface, although only about 10% of the existing Mac software would run on it. ![]() The base system had no GUI, running only via the command line. Networking support included TCP/IP, AppleTalk, and NFS implementations, developed by UniSoft. īased on AT&T's Unix System V.2.2 with additional features from BSD Unix. Third-party software announced with the system's first release includes the Ingres database, StatView, developer tools, and various productivity software packages. The system was initially sold pre-installed on the Macintosh II for US$8,597 (equivalent to $19,700 in 2021), a larger monitor could be added, or a kit could upgrade an existing Mac II for a lower price. It was initially aimed at existing Unix customers, universities and VARs. History Ī/UX 1.0 was announced at the February 1988 Uniforum conference, seven months behind schedule. For example, the Quadra 840AV, the fastest 68k Macintosh, cannot run A/UX. Ī/UX requires 68k-based Macintoshes with a floating point unit (FPU) and a paged memory management unit (PMMU), and select models. A/UX has a utility that allows the user to reformat third-party SCSI drives in such a way that they can be used in other Macs of that era. This feature is intended to ease the learning curve for users new to Unix, and decrease the user's reliance on the Unix manual. Opening a Unix executable file from the Finder opens a dialog box that allows the user to choose command-line options for the program using standard controls such as radio buttons and check boxes, and display the resulting command line argument for the user before executing the command or program. Ī/UX includes a utility called Commando (similar to a tool of the same name included with Macintosh Programmer's Workshop) to assist users with entering Unix commands. A/UX's compatibility layer uses some existing Toolbox functions in the computer's ROM, while other function calls are translated into native Unix system calls and it cooperatively multitasks all Macintosh apps in a single address space by using a token-passing system for their access to the Toolbox. For example, it can run a Macintosh application which calls Unix system functions, or a Unix application which calls Macintosh Toolbox functions (such as QuickDraw), or a HyperCard stack graphical frontend for a command-line Unix application. A hybrid application uses functions from both the Macintosh toolbox and the Unix system. Īpple's compatibility layer allows A/UX to run Macintosh System 7.0.1, Unix, and hybrid applications. Alternatively, the user can choose to run a fullscreen X11R4 session without the Finder. ![]() An X Window System server application (called MacX) with a terminal program can also be used to interface with the system and run X applications alongside the Finder. A/UX includes the CommandShell terminal program, which offers a command-line interface to the underlying Unix system. The A/UX Finder is a customized version of the System 7 Finder, adapted to run as a Unix process and designed to interact with the underlying Unix file systems. Ī/UX provides a graphical user interface including the familiar Finder windows, menus, and controls. Having a Unix-compatible, POSIX-compliant operating system made it possible for Apple to bid for large contracts to supply computers to U.S. ![]() It is POSIX- and System V Interface Definition (SVID)-compliant and includes TCP/IP networking from version 2 onward. It includes some additional features from System V Releases 3 and 4 and BSD versions 4.2 and 4.3. ĭescribed by InfoWorld as "an open systems solution with the Macintosh at its heart", the operating system is based on UNIX System V Release 2.2. A/UX requires select models of 68k-based Macintosh with an FPU and a paged memory management unit (PMMU), including the Macintosh II, SE/30, Quadra, and Centris series. Launched in 1988 and discontinued in 1995 with version 3.1.1, it is Apple's first official Unix-based operating system. February 1988 34 years ago ( 1988-02) Ī/UX is Apple Computer's Unix-based operating system for Macintosh computers, integrated with System 7's graphical interface and application compatibility. ![]()
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