Tuesday 26 April 2011

Apple Mac OS X Lion: A Preview of What's to Come

Between the iOS-like features they saw back in October and what they are seeing now, it is clear Apple has drawn lots of inspiration from its popular iPhone and iPad devices, making significant changes to OS X and adding features that are focused on simplifying the general experience for both new and longtime Mac users.

Steve Jobs revealed few details about Mac OS X ten.7 Lion at the "Back to the Mac" gathering on Apple's Cupertino campus late last year. But most recently the company began seeding a preview of the operating process to its developer program members, giving us a chance to see where OS X is headed before it becomes available to the general public this summer.

Although taking a look at TechSpot's audience profile, Windows users overwhelmingly outnumber those using Macs, it is hard not to acknowledge Apple's influence on the whole industry and how its approach to computing could affect Microsoft's designs for Windows 8. Last time they heard the next iteration of Windows is at the least a year away from release.

On that same note, thinking about that OS X's last major release, Snow Leopard, was not focused on new end-user features, Mac OS X Lion appears to be a more significant release in terms of functionality, user interface and workflow improvements. We have compiled a list with several of the changes and new features disclosed so far. Read on for a fast tour of what is new.

Snow Leopard was the first Mac operating process to not work on PowerPC machines, yet it still ran PowerPC application through Rosetta. With OS X ten.7 Lion, Apple is dropping PowerPC emulation altogether. Most modern applications have already been built to work on Intel machines, but users can select if they are still walking elderly PowerPC application by going in to Applications -> Utilities -> Process Profiler -> Applications and viewing "By Kind". No more PowerPC support

Mac OS X Lion Server

Historicallyin the past sold as a separate $499 package, the operating system's server part will now be a core feature of the base OS X ten.7 Lion distribution at no additional cost. Users will be able to provision any Mac with Lion as a server through a guided setup technique, enabling local and remote administration for users and groups, push notifications, file sharing, calendaring, mail, contacts, chat, Time Machine, VPN, web, and wiki services all in place.

TRIM support
Apple has already started incorporating flash-based storage in to its Macs, but with OS X Lion it is finally adding support for the TRIM command. The feature fundamentally permits the operating process to tell an SSD which blocks of information are no longer thought about in use, so they can be wiped internally. The result ought to be snappier SSD performance over time. It is a long overdue addition that has been supported by Windows 7 since its debut.

FileVault has been overhauled in OS X ten.7 and now encrypts the whole disk in lieu of the home listing. Everything is secured in the background while you work using XTS-AES 128 information encryption at the disk level. FileVault can also encrypt outside drives and provides the ability to wipe all the information from your Mac. Users that enable drive encryption will only be able to access the drive's contents with their login password or a recovery key provided by the process. The latter apparently can be stored on Apple's servers in case you lose it. Full disk encryption

Launchpad
Fundamentally an iOS-style app launcher. Clicking the Launchpad icon in your Dock will show a grid of all the apps on your Mac. From this view you can swipe between pages of installed applications, group apps in custom folders, and move things around from page to another, like in iOS. Launchpad also integrates well with the Mac App Store: everytime you install an app through the store, it will automatically be added to Launchpad in lieu of the Dock. Users can still resort to the usual Finder, Dock, and Spotlight for speedy access to often used apps in the event that they prefer, but Launchpad will likely appeal to new Mac users coming from iPad or iPhone/iPod touch devices.

In a departure from the long-standing windows UI model, Apple is pushing hard for developers to build full-screen views for their programs in Lion and mimic the no-distractions way of displaying apps in iOS. Switching a program to full screen opens it in a dedicated space (virtual desktop) by default, so you can quickly switch between the desktop and open full-screen apps. Safari, Preview, Mail, iCal and iPhoto can already go full-screen in OS X ten.7.

Airdrop
Allows users to wirelessly transfer files between nearby Macs jogging Lion. Opening the AirDrop panel through the Finder sidebar makes your machine discoverable to other machines with AirDrop open, & swapping files is as simple as dragging & confirming. Four times accepted, the file transfers directly to the person's Downloads folder. Users don't need an Net connection or being on the same Wi-Fi network, as their Macs will communicate peer to peer. Whatever Microsoft had in mind for Windows 7's Homegroups, this sounds much better & hassle-free.

Mission Control
A unified interface for Expose & Spaces that comes up with a three-finger swipe up (in the event you don't mind the accumulating complexity of gestures). In lieu of showing all windows as Expose did, Mission Control groups similar folders & gives you a bird's-eye view of your Spaces, full screen apps, desktop & the Dashboard -- in the event you set it to appear as a Space.

New multi-touch gestures
OS X Lion introduces numerous new multi-touch technique gestures that make using the OS with a trackpad more intuitive. Apple borrowed some ideas from its iPad when it comes to pinching or tapping to zoom in Safari, while a three-finger swipe from the left or right lets you move between active Spaces or full-screen apps like moving between iOS home screens. Additionally, doing a three-finger swipe up brings up the new Mission Control.

Resize Windows from Anywhere
A minor modify that contradicts how the Mac UI has behaved for years, so it will probably make a difference to Mac users. Finder windows and other applications that support resizing can now be resized from any edge or corner. In addition, standard alterer keys are also supported, so holding Shift while resizing a window from any edge will constrain the window resizing to its current aspect ratio, while holding Option resizes the window from its middle point.

Resume
Taking a page from iOS, applications on Mac OS X are now able to save state on exit and pick up right where they left off -- even after a restart. Developers will must build the functionality in to their own programs, but for now built-in apps like TextEdit can quit without saving and re-open to the exact same state it was before. Apple is going after a paradigm shift where file and app management is less significant for users to worry about. They look forward to see how this is handled on more complex, memory intensive applications.

Versions & Auto Save
Auto Save will permit apps to save changes to documents as you work (think Gmail or Word on steroids), while Versions brings the continuous backup ideas & interface of Time Machine to all documents. It is possible for you to to step back through the history of your files & basically revert to a earlier iteration. There is & a lock function to prevent information from being saved automatically in case you don't need to record changes to a specific document while you work.

'Seamless' multitasking
A trivial change on the surface, with the potential of becoming so much more down the line. In OS X 10.7 running applications are no longer marked with an indicator light in the Dock (by default). The notion is that multitasking could be made completely seamless to the user, not having to worry whether an application is already running or not, particularly as they begin to support Auto Save.
Again, we suspect there will be an inherent limitation to how fast you can access programs that haven't been loaded yet into memory, however OS X Lion is meaning to improve system resources management to enhance the overall user experience

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