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Problems with the virtual memory system—such as slow paging caused by a spun-down hard disk or disk read-errors—will cause the wait cursor to appear across multiple applications, until the hard disk and virtual memory system recover. Instruments is an application that comes with the Mac OS X Developer Tools. Along with its other functions ...
This is a list of built-in apps and system components developed by Apple Inc. for macOS that come bundled by default or are installed through a system update. Many of the default programs found on macOS have counterparts on Apple's other operating systems, most often on iOS and iPadOS.
For instance, in Mac OS, to convert a handle to a pointer, a program just de-references the handle directly, but if the handle is not locked, the pointer can become invalid quickly. Calls to lock and unlock handles are not balanced; ten calls to HLock are undone by a single call to HUnlock. [6]
Here is a simplified view of the Mac OS X Tiger system startup on a PowerPC Mac (on an Intel Mac, EFI replaces Open Firmware and boot.efi replaces BootX): Open Firmware activates, initializes the hardware, and then loads BootX. BootX loads the kernel, spins the pinwheel cursor, and loads any needed kernel extensions (kexts). The kernel loads ...
If the program is running, there isn't an ellipsis on the icon. In macOS, running applications have been variously identified by a small black triangle (Mac OS X 10.0-10.4) a blue-tinted luminous dot (Mac OS X 10.5-10.7), a horizontal light bar (OS X 10.8 and 10.9), and a simple black or white dot (OS X 10.10-present).
A diagnostic program (also known as a test mode) is an automatic computer program sequence that determines the operational status within the software, hardware, or any combination thereof in a component, a system, or a network of systems. Diagnostic programs ideally provide the user with guidance regarding any issues or problems found during ...
The following is a list of Mac software – notable computer applications for current macOS operating systems. For software designed for the Classic Mac OS , see List of old Macintosh software . Audio software
XNU ("X is Not Unix") is the computer operating system (OS) kernel developed at Apple Inc. since December 1996 for use in the Mac OS X (now macOS) operating system and released as free and open-source software as part of the Darwin OS, which, in addition to being the basis for macOS, is also the basis for Apple TV Software, iOS, iPadOS, watchOS, visionOS, and tvOS.