Mac OS

Mac OS, Mac OS X, or macOS, is the operating system that resides on Apple’s desktop and portable computer lineup. Built upon a Unix core, it is easy to use yet highly advanced, extremely stable, and an excellent OS for productivity and creation. Browse through our articles or use the search feature to look for something specific that is pertinent to the Mac operating system.

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Mac Running Hot, Slow, & Fans Blazing After Installing OS X Lion? Here’s Why

Jun 9, 2011 - 39 Comments
Mac running hot because of MDS & mdworker

We’ve received a fair share of comments and emails about Mac OS X Lion making some Macs seem sluggish, running hotter than usual, and causing the machines fans to run at full speed. This sounded concerning, but after I went about installing Lion DP4 myself and looked into this a bit further I’m here to … Read More

165 Classic Retro PC Games for Mac OS X

Jun 9, 2011 - 16 Comments
Original Lemmings for Mac OS X

Update: We posted the games link under the assumption that all of the titles were abandonware or freeware, but some commenters are suggesting this may not be the case. We don’t have the resources to independently verify either claim, so we have pulled down the link. That said, you can play many of the definitely … Read More

New Mac Touch Patent Surfaces, Shows User Interface Manipulation by Touch

Jun 9, 2011 - 7 Comments
A new Mac Touch Patent

A new patent for what looks like a touch screen Mac has surfaced hot off the heals of the extended Mac OS X Lion and iOS 5 demos at WWDC (PS: watch the keynote if you haven’t already, it’s a great walkthrough of both new OS’s). This patent is a clear indicator that Apple is … Read More

Watch Apple’s Intro to Mac OS X Lion Video

Jun 8, 2011 - 8 Comments

Who better to show off Mac OS X Lion than Apple themselves? Don’t miss the Intro to Lion video, where Apple execs Phil Schiller and Craig Federighi show you Lion’s new gestures, full screen apps, Mission Control, LaunchPad, installing Lion through the Mac App Store, auto-save files & Versions, AirDrop Peer-to-Peer file sharing, new Mail … Read More

How to Create & Burn a Bootable Mac OS X Lion Install DVD

Jun 8, 2011 - 120 Comments
Make your own OS X Lion Bootable Installation DVD

Apple announced that Lion would be released exclusively through the Mac App Store for $30. This is great because the App Store policy allows a single purchase to install on all your Macs, but what if you don’t have broadband access on all your Macs, or what if you just want a bootable installation disc? … Read More

Mac OS X 10.7 Lion System Requirements

Jun 7, 2011 - 131 Comments
Mac OS X 10.7 Lion System Requirements

Update: Mac OS X Lion has been released!. You can download OS X Lion from the Mac App Store Now for $29.99 right now. We’re all excited for Mac OS X Lion. We know it’s only $30 but a single purchase will cover installing on all of your Macs. We know it will be released … Read More

A Single Purchase of Mac OS X Lion Will Install on ALL of your Macs

Jun 7, 2011 - 32 Comments
Mac OS X Lion Mission Control

If you have multiple Macs, this may be one of the best and most underrated features of the Mac OS X Lion release: you buy Lion once and you can install it on all of your Macs, no additional purchases are required per machine, all of the downloading and installation is handled through the Mac … Read More

Mac OS X Lion Default Wallpaper – Galaxy of Andromeda Space Wallpaper from WWDC

Jun 6, 2011 - 13 Comments
Mac OS X Lion Galaxy Andromeda Wallpaper

Apple has a special knack for picking fantastic looking desktop pictures… and I know I wasn’t the only one drooling over the newest Mac OS X Lion space wallpaper shown throughout the WWDC 2011 keynote. This one is fresh out of WWDC & Lion Developer Preview 4 and shows the gorgeous Andromeda Galaxy, and, not … Read More

Mac OS X Lion Developer Preview 4 is Now Available to Download

Jun 6, 2011 - 60 Comments
Mac OS X Lion Developer Preview 4 now available to download from Apple

Mac OS X 10.7 Lion Developer Preview 4 has been released for developers to download from Apple’s servers. The new build number is 11A480b and includes a variety of changes that were shown at WWDC 2011, and was announced alongside iOS 5 beta 1 and iCloud. Developers can download the update directly from Apple through … Read More

Mac OS X Lion Release Date is July, Will Cost $29, and Available ONLY from Mac App Store

Jun 6, 2011 - 197 Comments
Mac OS X Lion available only from the Mac App Store

Lion has been released! The wait is over, you can download OS X Lion from the Mac App Store Update: Mac OS X Lion GM has been released, signifying a public release is due in the very near future. Stay tuned! Update 2: The Lion release date is imminent. Update 3: The WSJ’s AllThingsD appears … Read More

Fix the App Store “MZFreeProductCode .ClientCannotRedeemIosApp_explanation” Promo Code Redemption Error

Jun 6, 2011 - Leave a Comment
Mac App Store promo code redemption error

One of our readers sent in this screenshot with a funny looking error code they got when trying to redeem a promo code on the App Store. It’s a sloppy error, spilling over the allocated space and dumping some object name or something onto the user. The error seen is “MZFreeProductCode.ClientCannotRedeemIosApp_explanation” and the assumption is … Read More

Open, View, and Read DICOM .DCM Medical Images in Mac OS X & iOS with OsiriX

Jun 4, 2011 - 19 Comments
OsiriX DICOM MRI Imagery Viewer for Mac OS X

Files from medical imaging devices like MRI’s, ultrasound, PET, CT scans, etc come as a collection of .DCM files which will not open on their own through just any image or video application. No big deal, because I came across some pretty amazing software for Mac OS X and iOS that will render these DICOM … Read More

Get DNS Server IP Addresses from the Command Line in Mac OS X

Jun 3, 2011 - 6 Comments

You can quickly retrieve active DNS server IP addresses on any Mac by using the networksetup utility. This is done from the command line, so launch the Terminal app and type one of the following command strings, dependent on the version of OS X that is running on the Mac.

Upgrade Any Mac OS X Lion Installation to Lion Server via Mac App Store

Jun 2, 2011 - 6 Comments
Lion Server Help Search DP3

Update: Yes, you can upgrade any existing OS X Lion installation to Lion Server by downloading OS X Lion Server from the Mac App Store and installing it on top of a Mac already running 10.7. A post on HardMac suggests that any Mac OS X Lion installation will be upgradeable to Lion Server via … Read More

How to Check if your Mac Malware Definitions List is Updated

Jun 2, 2011 - 10 Comments
Check if your Macs Malware Definition List is Updated

The malware protecting Mac OS X Security Update will automatically download and update it’s malware definitions list from Apple, but if you’re like me you probably want to know how to manually check if the malware list is updated or not. We’ll show you where the malware list is located on Mac, and how to … Read More

Mac OS X Lion to be “Aggressively Priced” and Include Free iCloud Services?

Jun 1, 2011 - 9 Comments
Mac OS X Lion to be cheap and include some iCloud services, maybe

A new report indicates that Mac OS X 10.7 Lion will be “aggressively priced” and include free access to some of the expected iCloud features and services as an added incentive for Mac users to upgrade. Lion to Include Free iCloud Features? Providing a substantial reason for Mac users to jump to Lion, Apple may … Read More

Disable Automatic Downloading of Malware Definitions List in Mac OS X

Jun 1, 2011 - 3 Comments

A recent anti-malware Mac OS X security update was released that defaults to automatically downloading and maintaining an active definitions list of known Mac OS X malware threats. This list comes from Apple and is likely a very small file that is transmitted to your Mac, imposing minimal bandwidth usage. For 99.99% of users, you … Read More

Mac OS X Security Update Removes MacDefender Malware & Maintains Anti-Malware Definitions List

May 31, 2011 - 4 Comments
Mac OS X Malware Removal Tool

Apple has released a Mac OS X software update labeled “Security Update 2011-003” for Mac OS X 10.6.7 that includes a native malware removal tool. The focus of the update is on the MacDefender malware scam and its variants, now referred to as “OSX.MacDefender.A”. Once the update is installed your Mac will be scanned for … Read More

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