Improvements may vary according to the exact configuration of the system and may degrade over time depending on other software installed or changes made to system settings.

ENGADGET: Lenovo ThinkPad L Series arrives for the eco-conscious professional

The system seemed to have a bit of trouble understanding the configuration of our body in a swordfighting stance: even though we selected "left handed, " it was putting our sword arm forward instead of our shield.

ENGADGET: PlayStation Move first hands-on (update: video!)

Now that the root file system is writable, evasi0n changes a file called launchd.conf that alters the configuration of launchd so that the changes evasi0n makes to it are repeated every time it runs.

FORBES: Inside Evasi0n, The Most Elaborate Jailbreak To Ever Hack Your iPhone

If shutting down an application frees a lot of memory and doesn't cause problems, look at the listings in the System Configuration Utility's Startup tab for those same tray programs you deem unnecessary--for example, the RealPlayer StartCenter.

CNN: Sluggish PC? Give it a workout

This configuration also will offer an innovative, variable all-wheel drive system with independent control of the drive forces on both axles.

ENGADGET: Porsche opens 918 Spyder plug-in supercar pre-orders, $845,000 gets you a ticket to ride

The TOP500-ranked K computer system, currently in the configuration stage, has 672 computer racks equipped with a current total of 68, 544 CPUs.

ENGADGET: Fujitsu K supercomputer now ranked fastest in the world, dethrones China's Tianhe-1A