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The magic SysRq key is a key combination understood by the Linux kernel, which allows the user to perform various low-level commands regardless of the system's state. It is often used to recover from freezes , or to reboot a computer without corrupting the filesystem . [ 1 ]
One commonly issued form of this command is shutdown -h now, which will shut down a system immediately. Another one is shutdown -r now to reboot. Another form allows the user to specify an exact time or a delay before shutdown: shutdown -h 20:00 will turn the computer off at 8:00 PM, and shutdown -r +1 will automatically reboot the machine in ...
Batterygate [1] [2] [3] is a term used to describe deliberate processor slowdowns on Apple's iPhones, in order to prevent handsets with degraded batteries shutting down when under high load. Critics argued the slowdown amounted to planned obsolescence. However, this may stem from the common misconception that all older iPhones were slowed down.
When a passcode is set and a user switches on the device, the passcode must be entered at the Lock Screen before access to the Home screen is granted. [92] In iPhone OS 3, Spotlight was introduced, allowing users to search media, apps, emails, contacts, messages, reminders, calendar events, and similar content. In iOS 7 and later, Spotlight is ...
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Some models, especially those without an OSD, switch to the input corresponding to the number key pressed after Scroll Lock, or in the case of some two-port switches, the up and down arrow keys. Simple models with only two or four inputs may immediately switch to the next input following a double press of the Scroll Lock key.
If you no longer have your Security Key, use these steps: Go to the Sign-In Helper. Sign in and go to the AOL Account Security page. Turn off Security Key 2-Step Verification. When you get your Security Key back or get a new key, you can re-enable 2-Step Verification in your Account Security settings.
At its US$999 starting price, the iPhone X was the most expensive iPhone at launch. [42] Picture of the cameras on the iPhone 13 Pro. The iPhone XR, iPhone XS, and XS Max were announced on September 12, 2018. All models featured the "Smart HDR" computational photography system, and a significantly more powerful "Neural Engine". [43]