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By default, Mac will always boot from the last-used start-up disk. Holding down the option key (⌥) at startup brings up the boot manager, which allows the user to choose which operating system to start the device in. When using a non-Apple keyboard, the alt key usually performs the same action.
The Option key may be labeled Alt, Option, ⌥, or any combination thereof. The Option key, ⌥, is a modifier key present on Apple keyboards. It is located between the Control key and the Command key on a typical Mac keyboard. There are two Option keys on modern (as of 2020) Mac desktop and notebook keyboards, one on each side of the space bar.
2. On the keyboard, hold down the Command and Option keys, and then tap the esc key. In the Force Quit Applications window, click any program other than Finder to highlight it, and then click Force Quit. 3. Repeat until all programs other than Finder are closed, and then close the Force Quit Applications window by clicking the red dot on the ...
A Sad Mac can be deliberately generated at startup by pressing the interrupt switch (Also known as the Programmer's Key) on Macintosh computers that had one installed or by pressing Command and Power keys shortly after the startup chime.
Keyboard shortcuts make it easier and quicker to perform some simple tasks in your AOL Mail. Access all shortcuts by pressing shift+? on your keyboard. All shortcuts are formatted for Windows computers, but most will work on a Mac by substituting Cmd for Ctrl or Option for Alt. General keyboard shortcuts
Terminal is a terminal emulator program, first originating in NeXTSTEP and OPENSTEP, before being carried over into Mac OS X. [71] [72] It provides text-based access to the operating system, in contrast to the mostly graphical nature of the user experience of macOS, by providing a command-line interface to the operating system when used in ...
launchd has two main tasks. The first is to boot the system, and the second is to load and maintain services. 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.
System Mechanic has been rebuilt to have lighter footprint on your computer, and to be smaller and faster. System Mechanic features OptiCore™ - OptiCore™ automatically de-prioritizes programs it detects aren’t essential to the task you’re performing, delivering more core power and speed to your active apps.