Mac OS

If you have recently upgraded your Mac RAM, or if you are experiencing strange system crashes, it’s a good idea to test your memory modules integrity using a free tool called memtest. Essentially, memtest is a utility designed to stress test RAM for errors. Without getting overly technical in the explanation, memtest works by writing … Read More

Uninstalling apps from Mac OS X is set to get even easier in Lion, thanks to usability cues taken from iOS. Using Launchpad, you’ll be able to just click and hold on an icon to cause the familiar icon jiggle and “X” to appear, click the X and the app will delete. One quirk though, … Read More

A new malware threat has been identified for Mac users, the app is called MACDefender and it disguises itself as antivirus software for Mac OS X. The malware attempts to install itself through hijacked websites, and the threat level is considered low, nonetheless all Mac users should be aware of the potential threat and take … Read More

You can quickly change the appearance of any Terminal window by using the Inspector tool in the Terminal app for Mac, which can be summoned at any time for any specific Terminal window or tab. Inspector is very easy to use, so here is how to change the appearance quickly using it:

You can take time delayed screenshots in Mac OS X easily by using the Grab utility or the Terminal app, included with every Mac OS X version. We’ll cover taking timed screen shots in Grab first because it’s more user friendly and doesn’t involve the command line which is a bit more technical, and then … Read More

Apple looks to be developing a new bookmarking feature in Mac OS X Lion that allows users to select web content for reading later. The feature is called Reading List and appears to behave much like Instapaper and ReadItLater, but is currently disabled in Lion Developer Builds of Safari. MacRumors found the following description that … Read More

A nondescript update to Mac OS X Lion Developer Preview 2 has been released to developers via Software Update. The description is only that it is “recommended for all users running Mac OS X Lion Developer Preview 2” and likely focuses on bug fixes and feature refinements. The update brings Lion to build 11A444d, weighs … Read More

You can instantly reveal the location of any item in the Mac Finder from an Open and Save dialog box by selecting the item and then hitting Command+R.

You can set the Mac Dock to only show actively running apps, making it perform a bit like a task manager rather than an application launcher. This is a great trick if you prefer a minimalist Mac OS X desktop and Dock. In order to set the Dock to only display currently active apps, you’ll … Read More

If you don’t want your MacBook Pro to wake from sleep when you open the lid of the machine, all you need to do is launch the Terminal and type the following command:

If you want to create a new partition, modify a partition table, or remove an existing partition from any hard disk drive in Mac OS X, you won’t need to use anything fancy other than the bundled Disk Utility app that comes with all versions of Mac OS X. Disk Utility has all the tools … Read More

If you’re in IT, or just fixing Grandmas Mac, it’s not too uncommon to get a machine where you don’t have the admin users password. If you find yourself in this situation, you can easily change the Admin password, or any other users, simply by booting into Mac OS X‘s command line Single User Mode. … Read More

The DVD may not be dead yet after all. It looks like Mac OS X 10.7 Lion may be offered on traditional DVD installation disks in addition to the more modern and fancy App Store download distribution and USB installer keys. The possible leak comes from a German Amazon page for the upcoming release of … Read More

You can quickly retrieve any Macs serial number via the command line by using the ioreg or system_profiler command and grep for the serial string. Getting the serial number from the command line like this can be helpful for troubleshooting, Single User Mode, remote management with SSH, or for many other reasons, though most users … Read More

Several applications in Mac OS X 10.7 Lion include unusually high resolution icons, providing another hint that Apple may be laying the groundwork to support retina displays on the Mac platform. The icons measure in at 1024×1024, which are double the current maximum Mac OS X icon resolution of 512×512. The doubling of pixels and … Read More

The most common way to access a network share is through the Finder, using the Connect to Server function. But there’s a faster way for quick server connection access: you can summon the Mac OS X server connection window from any app by right-clicking on the Finder icon in the Dock and selecting “Connect to … Read More

If Macs get a retina display, what would the resolutions be? 3200×2000 like the default Lion wallpaper suggests? There is no definitive answer, but the above chart shows what may be the best guesses yet. The resolutions are based on a simple idea from a great post on The Elaborated (via DaringFireball), double the existing … Read More

The opensnoop utility is an amazing tool for tracking down specifics like what files specific applications are accessing, but you can also use opensnoop to monitor all filesystem access in Mac OS X. To do this, run the utility with no flags attached: sudo opensnoop You’ll be asked for your root password, and then you’ll … Read More