For most windows user, they used to clean up windows junks to speed up system running. For the Intel Mac users running Mac OSX, they may have no idea how to clean up their Mac OS X 10.7 startup disk. Here is one way may useful for you.
Clean up your startup item. In System Preferences, go to Accounts, click the Login Items tab. From there, make sure each application listed is something you need and use every day. You can select the unwanted application and click the minus (-) button to remove it from the list. The few apps in the login items, the better.
Run Disk Utility (in Applications > Utilities) to verify and repair disk permissions, verify and repair the disk itself. These operations take some time, and you can't do them while other applications are running.
Your Mac stores lots of log files, most of which you never need to review. Open the Console application (in /Applications/Utilities), to see a list in the Console Messages window sidebar. You can delete many of these files without affecting your Mac, and you can save significant space, since some of these files can be quite large. Cache files consume a lot of space as well. If you do not revisit the same websites and run same applications every day, cache files will be a waste of disk space. Go to get the clean software, such as EaseUS CleanGenius. Then clean the log files and cache files routinely.
Uninstall Unneeded Apps. Before you get to dragging and dropping unneeded applications to the trash, it's a good idea to remove the app by uninstaller program. Apple still hasn't included a proper uninstaller with Mac OS X. But the apps related files will not be removed when you just drag an application to the Trash. With the Uninstall Application function in EaseUS CleanGenius, the app core file, and related files such as support file, cache file and preference file can be removed completely.
Clean up Mac fast: You can free more space on your Mac disk keeping your Mac healthy at all times. With a simple click from the utility, all junk files (System Caches, User Caches, System Logs, User Logs, User Downloads, Trash, Safari Internet Cache and more) will be removed in just a matter of seconds.
Monitor disk space: It will show you the disk space available and will alert you in advance if the disk space is already running low. You can clean or move files to free up disk space to ensure that your Mac is running smoothly.
Disk ejector: Using this one will allow you to eject the mounted drives, such as external storage disks, CD and DVD disks, SuperDrive, network storage and disk images.
Mac Uninstaller: "Uninstall Applications" safely and completely remove applications and their components, preferences, log files, etc. Select an application, just one click, the application and its additional components will be removed.
Duplicates Finder: Duplicate files have the identical contents and waste the precious disk space. CleanGenius can easily find and remove duplicate files to reclaim the wasted disk space.
Disk Usage: Visualize the size of your files & folders and remove the unwanted large files to free up more disk space.
Free Memory: When the free memory of your Mac is insufficient, you can easily use CleanGenius to free memory and speed up your Mac for better performance.
Set Login Items: Unneeded applications may auto run every time when you start Mac. This will reduce your Mac performance. If you don't want an application to start every time you launch your Mac, just open CleanGenius and disable the startup items you find annoying.
"You can speed up your Mac computer by performing simple maintenance. Unfortunately, there isn't a fast and effecient way to do this natively in OS X. CleanGenius is a great all-in-one Mac cleanup utility that also combines a disk space monitor and disk ejector. It cleans junk files with one-click and is the easiest way we've found to keep your Mac clean and running smoothly with the performance you expect." More reviews...
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