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ứng dụng, Unix lệnh trực tuyến hoặc các ứng dụng cửa sổ X, và thậm chí cả MS-DOS applications39 side-by-side. Các máy chủ hiển thị MacX cho phép các ứng dụng khách hàng Hệ thống X Window được hiển thị trên Desktop A / UX. OSF / Motif bộ công cụ cho hệ thống cửa sổ X đã có sẵn như là một bổ sung của bên thứ ba. | 66 Chapter 1 A Technical History of Apple s Operating Systems applications Unix command-line or X Window applications and even MS-DOS applications39 side-by-side. The MacX display server allowed X Window System client applications to be displayed on the A UX Desktop. The OSF Motif toolkit for the X Window system was available as a third-party addition. A UX supported hybrid applications that made use of both the Unix system call interface and the Macintosh Toolbox. All types of applications could be launched from within the Finder. Whereas Unix processes ran with preemptive multitasking under A UX the Macintosh Finder the MultiFinder specifically still supported only cooperative multitasking. When 32-bit addressing was in effect the startmac application was responsible for creating the Macintosh environment under A UX. The startmac24 variant was used with 24-bit addressing. Many aspects of this environment were customizable including which application to run as the Finder. Macintosh-style menu-driven login logout system startup and shutdown procedures were supported. A conceptual diagram of the A UX architecture is shown in Figure 1-20. Many proponents of A UX regarded it as the holy grail of Unix systems. Given compatible hardware the A UX installation procedure was incredibly simple for a Unix system being essentially one-click. From trivialities such as similar commands such as appleping to the more elaborate marriage of the Unix and Macintosh environments vestiges of insights gained through A UX can be seen in Mac OS X. Examples include the following. A UX used .mac host Desktop Folder and .mac host Trash as the Unix pathnames for directories containing items visible on the Macintosh Desktop and in the trash can respectively. Unix uses the character to separate path components whereas Macintosh file systems use . Invisible translation was done while accessing or moving files from one environment to the other. Home directories for user accounts were located in .
