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  2. Restart the computer and close programs on Mac - AOL Help

    help.aol.com/articles/restart-the-computer-and...

    Note: Wait for 20 seconds, and then turn on the computer. 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.

  3. pmset - Wikipedia

    en.wikipedia.org/wiki/Pmset

    hibernatemode change hibernation mode, 0 for RAM powered while sleeping; 1 for RAM contents written to disk and system totally unpowered; 3 for RAM both powered and written to disk; 5 is the same as mode 1, but for use with secure virtual memory; 7 is the same as mode 3, but for use with secure virtual memory; 25 for hibernation in Mac OS X 10. ...

  4. Safe mode - Wikipedia

    en.wikipedia.org/wiki/Safe_mode

    Safe mode is a diagnostic mode of a computer operating system (OS). It can also refer to a mode of operation by application software. Safe mode is intended to help fix most, if not all, problems within an operating system. It is also widely used for removing rogue security software.

  5. Shutdown (computing) - Wikipedia

    en.wikipedia.org/wiki/Shutdown_(computing)

    Turns off the computer. -r: Shuts down and reboots a computer. -m[\\ Computer Name] When shutting down a network computer, allows user to choose which computer to turn off. -t xx Timer before shut down occurs. By default it is set to 30 seconds. -c "message" Allows a message to be shown in the System Shutdown window. It can not be more than 127 ...

  6. Target Disk Mode - Wikipedia

    en.wikipedia.org/wiki/Target_Disk_Mode

    Target Disk Mode (sometimes referred to as TDM or Target Mode) is a boot mode unique to Macintosh computers. When a Mac that supports Target Disk Mode [1] is started with the 'T' key held down, its operating system does not boot. Instead, the Mac's firmware enables its drives to behave as a SCSI, FireWire, Thunderbolt, or USB-C external mass ...

  7. Terminal (macOS) - Wikipedia

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

    Terminal originated in NeXTSTEP and OPENSTEP, the predecessor operating systems of macOS. [2] 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 ...

  8. McAfee: Disable or enable virus protection - AOL Help

    help.aol.com/articles/mcafee-disable-or-enable...

    Learn how to customize the notification area in Windows 7. 2. On Advanced Menu, click the Configure tab. Note: If you are unable to see the Configure link, click the Advanced Menu link. 3. In the Configure pane, click the Computer & Files link. 4. On the Computer & Files Configuration pane, under Virus protection is enabled, click the Off ...

  9. Magic SysRq key - Wikipedia

    en.wikipedia.org/wiki/Magic_SysRq_key

    Shut off the system o: r: o: y: Output the current registers and flags to the console p: l: p; Display all active high-resolution timers and clock sources. q ' a: q: Switch the keyboard from raw mode, used by programs such as X11 and SVGAlib, to XLATE mode r: p: r: p: Sync all mounted filesystems s: o: s: r: Output a list of current tasks and ...