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With the introduction of Mac OS X, the Happy Mac icon was retained for the two initial versions of the operating system, beginning with Mac OS X 10.0. A new Happy Mac was introduced in Mac OS X 10.1, which looked largely identical to that found in previous Classic Mac OS operating systems with some minor changes. This is also the last version ...
MacsBug is a low-level (assembly language/machine-level) debugger for the classic Mac OS operating system. MacsBug is an acronym for M otorola A dvanced C omputer S ystems De bug ger , as opposed to Macintosh debugger (The Motorola 68000 Microprocessor is imprinted with the MACSS acronym [ 1 ] ).
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 ...
Apple events form the basis of the Mac OS scripting system, the Open Scripting Architecture (the primary language of such being AppleScript). The starting point is a dynamically-typed, extensible descriptor format called an AEDesc , which is just an OSType code specifying the data type, together with a block of type-dependent data.
Such functions include Verbose Mode, achieved by holding down the Command and V key at startup, which replaces the default Apple logo with text-based information on the boot process and Single User Mode, achieved by holding down the Command and S, which, depending on the operating system, may boot into a more basic command-line or text-based ...
ginitd, a software package that consists of an init system and a service management system [15] Initng, a full replacement of init designed to start processes asynchronously; launchd, a replacement for init in Darwin/macOS/iOS/tvOS starting with Mac OS X v10.4 (it launches SystemStarter to run old-style 'rc.local' and SystemStarter processes)
The bomb symbol is not used in Mac OS X, but a test application called Bomb.app, specifically written to cause a non-fatal crash, is included with Xcode and uses a rendition of the bomb symbol as its icon. In the original Mac OS, the system call to display a "bomb box" was called DSError, for "Deep Shit". [1]
For iPhones, iPads and Apple silicon-based Macs, the boot process starts by running the device's boot ROM. On iPhones and iPads with A9 or earlier A-series processors, the boot ROM loads the Low-Level Bootloader ( LLB ), which is the stage 1 bootloader and loads iBoot; on Macs and devices with A10 or later processors, the boot ROM loads iBoot.