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Website. support.apple.com /guide /terminal /welcome /mac. Terminal (Terminal.app) is the terminal emulator included in the macOS operating system by Apple. [1] Terminal originated in NeXTSTEP and OPENSTEP, the predecessor operating systems of macOS. [2]
Membrane attack complex (Terminal complement complex C5b-9) A membrane attack complex attached to a pathogenic cell The membrane attack complex (MAC) or terminal complement complex (TCC) is a complex of proteins typically formed on the surface of pathogen cell membranes as a result of the activation of the host's complement system, and as such is an effector of the immune system.
In computing, a shell is a computer program that exposes an operating system 's services to a human user or other programs. In general, operating system shells use either a command-line interface (CLI) or graphical user interface (GUI), depending on a computer's role and particular operation. It is named a shell because it is the outermost ...
The architecture of macOS describes the layers of the operating system that is the culmination of Apple Inc. 's decade-long research and development process to replace the classic Mac OS. After the failures of their previous attempts—Pink, which started as an Apple project but evolved into a joint venture with IBM called Taligent, and Copland ...
The Command key (sometimes abbreviated as Cmd key), ⌘, formerly also known as the Apple key or open Apple key, is a modifier key present on Apple keyboards. The Command key's purpose is to allow the user to enter keyboard commands in applications and in the system. An "extended" Macintosh keyboard—the most common type—has two command keys ...
sudo. sudo (/ suːduː / [4]) is a program for Unix-like computer operating systems that enables users to run programs with the security privileges of another user, by default the superuser. [5] It originally stood for "superuser do", [6] as that was all it did, and this remains its most common usage; [7] however, the official Sudo project page ...
Dock (macOS) The Dock is a prominent feature of the graphical user interface of macOS. It is used to launch applications and to switch between running applications. The Dock is also a prominent feature of macOS's predecessor NeXTSTEP and OPENSTEP operating systems. The earliest known implementations of a dock are found in operating systems such ...
Gatekeeper. Developer (s) Apple Inc. Initial release. July 25, 2012. (2012-07-25) Operating system. macOS. Gatekeeper is a security feature of the macOS operating system by Apple. [1][2] It enforces code signing and verifies downloaded applications before allowing them to run, thereby reducing the likelihood of inadvertently executing malware.