About iphone IOS operation system

IOS was developed by Apple for the iPhone operating system. It is for iPhone, iPod touch and iPad use. Like its Mac OS X based operating systems, it is also based in Darwin. iPhone OS system architecture is divided into four levels: the core operating system layer (the Core OS layer), the core service layer (the Core Services layer), the media layer (the Media layer), can touch the floor (the Cocoa Touch layer) . Operating system takes about 240MB of memory space. iPhone OS's user interface based on the concept of multi-touch is the ability to use direct action. Control methods, including slide, touch switches and buttons. Interact with the system including the sliding (swiping), tap (tapping), compression (pinching) and rotation (reverse pinching). In addition, through its built-in accelerator, you can make it change its y-axis rotational device to make the screen change direction, such a design make iPhone easier to use.

Under the screen there is the home button while the bottom is the dock. There are four most frequently used program icons fixed on the dock. Top of the screen has a status bar to display some of the data, such as time, battery level and signal strength. The rest of the screen is used to display the current application. The only iPhone application start is to click on the current screen icon in the program, exit the program is to press the home button below the screen.

Useful iphone/ipod/ipad tools and video/DVD conversion tools:
PDF to Word Converter
Video Editor
CD Ripper
Video Cutter
Blu Ray Creator
Audio Converter
PPT to DVD
Blu Ray to mkv Converter
Video Joiner
Video Splitter
HTML to EPUB Converter

In the 4.0.1 version of the firmware, iPhone's main interface consists of the following native applications: SMS (text messages), calendar, photos, camera, YouTube, stocks, maps (AGPS supporting Google Maps), weather, memos, and practical Tools folder (IOS4 firmware over a folder function), iTunes (will be linked to the iTunes Music Store and the iTunes radio directory), App Store, and system settings. There are four in the bottom of the common applications include: Phone, Mail, Safari and iPod.