Lion Definition

Lion Definition Lion is another name for Mac OS X 10.7, the eighth version of Apple's desktop operating system. It was released on July 20, 2011, almost two years after Mac OS X 10.6 Snow Leopard and preceded the release of Mac OS X 10.8 Mountain Lion. Lion was the first version of Mac OS X to be released on the Mac App Store and was not sold on a DVD like previous versions of the operating system. Mac OS X 10.7 Lion was one of the most substantial updates to Mac OS X and included more than ...
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Snow Leopard Definition

Snow Leopard Definition Snow Leopard is another name for Mac OS X 10.6, which was released on August 26, 2009. It followed Mac OS X 10.5 Leopard and preceded the release of Mac OS X 10.7 Lion. Unlike Leopard, Mac OS X Snow Leopard did not include hundreds of new features. Instead, the update was primarily designed to improve the performance and efficiency of Mac OS X. Snow Leopard was the first Mac operating system to require an Intel-based Mac, which means it cannot be used on older Macinto...
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El Capitan Definition

El Capitan Definition El Capitan is the 12th version of Apple OS X, also known as OS X 10.11. It was released on September 30, 2015 and succeeded OS X 10.10 Yosemite. It was followed by OS X 10.12 Sierra. OS X 10.11 was not a significant update to Apple's operating system, but it included a number of performance updates. It was the first version to include "Metal," a graphics technology developed by Apple that accelerates Core Animation and Core Graphics processing. Metal makes full use of t...
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Mountain Lion Definition

Mountain Lion Definition Mountain Lion is another name for Mac OS X 10.8, the ninth version of Apple's desktop operating system. It was released on July 25, 2012, almost exactly one year after Mac OS X 10.7 Lion. Like Snow Leopard, Mountain Lion was not a major update to the Mac OS. Instead, it was primarily a performance update and included a small number of enhancements to further integrate Mac OS X with iOS, Apple's mobile operating system. Unlike previous versions of Mac OS X, Apple offi...
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Leopard Definition

Leopard Definition Leopard is another name for Mac OS X 10.5, which was released on October 26, 2007. It followed Mac OS X 10.4 Tiger and preceded the release of Mac OS X 10.6 Snow Leopard. Mac OS X Leopard was one of the most significant updates to Mac OS X, with over 300 new features. Some of the most notable additions include Time Machine (an automated backup solution), Spaces (a virtual desktop environment), and Quick Look (a feature that allows many file types to be viewed directly in t...
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Sierra Definition

Sierra Definition Sierra, also known as macOS 10.12, is the 13th version of OS X, released on September 20, 2016. It followed El Capitan (OS X 10.11) and is preceded by macOS High Sierra. Sierra was the first version of OS X that Apple officially labeled "macOS" instead of OS X. Like other incremental releases of Apple's desktop operating system, Sierra built on previous versions, incorporating the same user interface and adding several new features. Notably, Sierra was designed to work more...
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Ping Definition

Ping Definition A ping is a signal sent to a host that requests a response. It serves two primary purposes: 1) to check if the host is available and 2) to measure how long the response takes. A ping request can be performed using a ping command, which is a standard command in most command line interfaces. Several network utilities provide a ping feature, which allows you to ping a server by simply entering the IP address or domain name. Most ping programs send multiple pings and provide and ...
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Disk Drive Definition

Disk Drive Definition A disk drive is a device that reads and/or writes data to a disk. The most common type of disk drive is a hard drive (or "hard disk drive"), but several other types of disk drives exist as well. Some examples include removable storage devices, floppy drives, and optical drives, which read optical media, such as CDs and DVDs. While there are multiple types of disk drives, they all work in a similar fashion. Each drive operates by spinning a disk and reading data from it ...
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TRIM Definition

TRIM Definition TRIM is a feature supported by modern solid state drives (SSDs) that helps improve drive performance. The word "TRIM" is typically capitalized, though it is not an acronym. Instead, TRIM is a command that the operating system uses to allocate free space on an SSD. When you delete a file on an SSD, the data is often not deleted immediately, but instead is marked for deletion. This prevents certain areas of the flash memory from being written and erased too frequently, which ca...
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Copy Definition

Copy Definition Many software programs allow you to copy data, such as text in Microsoft Word or an image in Adobe Photoshop. To copy a piece of data, you need to first select it (or highlight it) and choose "Copy" from the Edit menu within the program. Most programs allow you to use the keyboard shortcut "Control-C" for Windows or "Command-C" for the Mac OS. When you copy a piece of data, it is moved to a buffer in the system's memory called the "Clipboard." This is a temporary storage area...
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