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  2. Command key - Wikipedia

    en.wikipedia.org/wiki/Command_key

    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 .

  3. Message authentication code - Wikipedia

    en.wikipedia.org/wiki/Message_authentication_code

    The message and the MAC tag are then sent to the receiver. The receiver in turn runs the message portion of the transmission through the same MAC algorithm using the same key, producing a second MAC data tag. The receiver then compares the first MAC tag received in the transmission to the second generated MAC tag.

  4. Table of keyboard shortcuts - Wikipedia

    en.wikipedia.org/wiki/Table_of_keyboard_shortcuts

    Cmd+Space: ⊞ Win (Gnome) Search: Show desktop ⊞ Win+D: F11: Ctrl+Alt+D: Access SysTray ⊞ Win+B: ⇧ Shift+Alt+S: Switch window (next/previous) Alt+Tab ↹ / ⇧ Shift+Alt+Tab ↹. ⌘ Cmd+Tab ↹ / ⌘ Cmd+⇧ Shift+Tab ↹ (While in app switching window, ⌘ Cmd+` can be used to select backward, ⌘ Cmd+1 can be used to view selected ...

  5. Military Airlift Command - Wikipedia

    en.wikipedia.org/wiki/Military_Airlift_Command

    The Military Airlift Command (MAC) is an inactive United States Air Force major command (MAJCOM) that was headquartered at Scott Air Force Base, Illinois.Established on 1 January 1966, MAC was the primary strategic airlift organization of the Air Force until 1974, when Air Force tactical airlift units in the Tactical Air Command (TAC) were merged into MAC to create a unified airlift organization.

  6. Terminal (macOS) - Wikipedia

    en.wikipedia.org/wiki/Terminal_(macOS)

    As a terminal emulator, the application 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 conjunction with a Unix shell, such as zsh (the default interactive shell since macOS Catalina [3]). [4]

  7. whoami - Wikipedia

    en.wikipedia.org/wiki/Whoami

    The command is also available as part of the Windows 2000 Resource Kit [6] and Windows XP SP2 Support Tools. [7] The ReactOS version was developed by Ismael Ferreras Morezuelas and is licensed under the GPLv2. [8] This command was also available as a NetWare-Command residing in the public-directory of the fileserver. It also outputs the current ...

  8. Option key - Wikipedia

    en.wikipedia.org/wiki/Option_key

    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. (As of 2005, some laptops had only one, in order to make room for the arrow keys.)

  9. MAC address - Wikipedia

    en.wikipedia.org/wiki/MAC_address

    The Individual Address Block (IAB) is an inactive registry which has been replaced by the MA-S (MAC address block, small), previously named OUI-36, and has no overlaps in addresses with the IAB [6] registry product as of January 1, 2014. The IAB uses an OUI from the MA-L (MAC address block, large) registry, previously called the OUI registry.