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1. Quik For Mac Os X 10.10
2. Quik For Mac Os X 10.13

• Apple's default Mac OS X multimedia player that features support for advanced video technology like the H.264 video compression standard and a lean and intuitive interface. What's new in Apple QuickTime 7.7.0: Improves security and is recommended for all Mac OS X Leopard users.
• Quicktime is a program for Mac machines that runs all sorts of media files with ease. QuickTime hands you all the tools you need to experience any media you have. It’s a lot more than that, however. It has the ability to record your screen, work with extra plug-ins, and can even sync to your social media.

Quick Look is a quick preview feature developed by Apple Inc. which was introduced in its operating systemMac OS X 10.5 Leopard. The feature was announced at the Worldwide Developers Conference on Jun. 11, 2007.

While macOS's Finder has always had icon previews, Quick Look allows users to look at the contents of a file in the Finder at full or near-full size, depending on the size of the document relative to the screen resolution. It can preview files such as PDFs, HTML, QuickTime readable media, plain text and RTF text documents, iWork (Keynote, Pages, and Numbers) documents, ODF documents, Microsoft Office (Word, Excel, and PowerPoint) files (including OOXML), and RAW camera images.^{[citation needed]}

Quick Look can also be opened in full screen and launched from the command line. Additionally, multi-page documents like PowerPoint slide shows can be navigated using the slide previews at the side of the preview window.

Quick Look technology is implemented throughout the Apple suite of software starting with Mac OS X 10.5, including iChat Theater, Time Machine, and Finder's Cover Flow.

Quick Look APIs are available to developers via the Quick Look framework on iOS^[1] and as part of the Quartz framework on the Mac.^[2]

Supported file types by default[edit]

Since its debut, Quick Look has included a number of generators for common file types.

Plug-ins[edit]

Plug-ins can be added to Quick Look to allow previewing the content of other file formats. Plug-ins can also be used to add additional functionality to Quick Look such as syntax highlighting for source code files.^[6]

To add a plug-in to Quick Look it needs to be placed in the folder /Library/QuickLook/. To activate that plug-in, either the computer needs to be restarted or Quick Look needs to be reset with the command

Usage[edit]

There are multiple ways to invoke Quick Look.

Keyboard shortcuts:

• ⌘ Cmd-Y
• space
• ⌥ Opt-space (open in full screen)
• ⌥ Opt hold to zoom an image to actual size (Quick Look must already be open)

Command line:^[7]

Menu:

• File — Quick Look file name;
• Context menu (right-click or Control-mouse click), then Quick Look file name.

Caching and Forensics[edit]

Quick Look can be exploited when conducting a forensic examination of a computer's contents. A thumbnail cache is created for each user in a random subfolder of /var/folders called com.apple.QuickLook.thumbnailcache. The cache contains two files;

• index.sqlite which is a SQLite database containing two tables - files and thumbnails.

files contains the name, path, file-identifier, and volume-identifier of each file in the database.

thumbnails contains metadata about each thumbnail, including the file linked-to in the files table and the offset of its data contained in thumbnails.data.

• thumbnails.data contains the raw bitmaps of the cached thumbnails.

Quick Look thumbnails are stored for documents on internal disks and also for documents located on removable disks, including those that have been encrypted and can pose a significant security hole. A document may well have a number of thumbnails, each having different dimensions that can range from very large to very small.

The cache can be reset by invoking the qlmanage -r cache command via a Terminal window.

See also[edit]

References[edit]

1. ^https://developer.apple.com/library/ios/documentation/FileManagement/Conceptual/DocumentInteraction_TopicsForIOS/Articles/UsingtheQuickLookFramework.html
2. ^https://developer.apple.com/library/mac/documentation/userExperience/Conceptual/Quicklook_Programming_Guide/Introduction/Introduction.html
3. ^http://www.mac-forums.com/forums/os-x-apps-games/51197-animated-gif-plugin-preview.html
4. ^http://sourceforge.net/projects/animgifqlgen/
5. ^http://forums.macrumors.com/showthread.php?t=475195
6. ^Frakes, Dan (January 22, 2008). 'More Quick Look plug-ins'. Macworld. Retrieved September 15, 2014.
7. ^https://developer.apple.com/library/mac/documentation/Darwin/Reference/ManPages/man1/qlmanage.1.html

External links[edit]

• Gloobus, a Linux application based on Quick Look

Quik For Mac Os X 10.10

Quik For Mac Os X 10.13