OS X (formerly Mac OS X) is the marketing name for Apple's computer OS. Note the proper pronunciation is "ohh ess ten" and not "oh ess ex". it is be replaced by macOS to match its the format of watchOS, tvOS, and ios.

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32
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7answers
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Return vs. Enter?

I noticed that my MacBook's keyboard has the word enter above the return key. I also noticed that on Mac OS X, there's a special symbol for return ↩, and another for enter ⌤. How would I send the ...
32
votes
9answers
24k views

How can I stop my whole screen from flashing white on errors?

Whenever I access Terminal and press Command ⌘ + Delete ⌫ my screen flashes white. It also happens when Chrome's Command ⌘ + F returns no results. Have I somehow messed up my settings? I already ...
32
votes
3answers
21k views

How do I hide the Spotlight icon on Yosemite, but keep the Spotlight functionality?

I use Spotlight in OS X, and I have long disliked its attachment to the menu bar. Now, in Yosemite, Spotlight shows up as an overlay in the middle of the screen when summoned, much like other ...
32
votes
3answers
30k views

Stop iTunes from opening when a device is plugged in?

Since re-installing OS X (10.8), every time I plug in an iOS device iTunes opens up and shows an error message: iTunes could not connect to the iPhone "..." because it is locked with a passcode. ...
32
votes
7answers
28k views

Can I get windows 7 like window resizing on Mac OS X?

Windows 7 has a nice new feature for moving around windows. The one that I am particularly interested in is: Windows Key + Left/Right : Move the window to the left or right of the screen, or over ...
32
votes
3answers
28k views

Was the FileMerge application removed from OS X 10.7.3?

I just updated to 10.7.3 and can no longer find the FileMerge application, which is part of the Xcode developer tools package. Did apple remove this in 10.7.3? I've checked in my developer directory, ...
32
votes
1answer
66k views

Where are the default (system) wallpaper folders located on OS X? [duplicate]

Possible Duplicate: Where are Apple's default desktop images stored? Does anybody know where the folders containing the default (i.e. system) wallpapers are located on OS X Lion? (it may ...
32
votes
4answers
40k views

How to move a window to another space without using the mouse?

I use spaces for having multiple desktops, but often need to move a program from one space to another. I am aware of the various ways to do that with a mouse: Click-and-hold on the title bar of ...
31
votes
10answers
61k views

Can't get rid of incomplete download bar underneath dock icon

My Downloads folder in my dock has been showing a download/progress bar at 50% since yesterday. There aren't any half-complete files in my Download folder, Google Chrome isn't awaiting any action to ...
31
votes
5answers
60k views

Changing Creation Date of a file

Could you please let me know how I can change the creation date of a file in Lion. I realise there is the touch-t command but that does not work in Lion. A couple of people have mentioned another ...
31
votes
6answers
73k views

Where can I find the installed package path via brew

I installed some packages via brew. But I can not find where they are. I can not get access by typing hping on terminal % brew install hping (git)-[master] Warning: hping-3.20051105 already ...
31
votes
3answers
60k views

Where can I find my crash logs?

I would like to ask you, where could I find my crash logs?
31
votes
3answers
36k views

How is Adobe Update Notifier auto launched on Mac OS X?

It seems the Adobe Update Notifier sometime autolaunches on startup, however I cannot find where it's launched from. I've checked in Lingon as well as my login startup items but it's not there. Any ...
31
votes
5answers
41k views

Can't plot with gnuplot on my Mac

I am trying to plot with gnuplot on my Mac (OS X 10.8.5). I have installed X11 and XQuartz 2.7.4 and after that I installed gnuplot, but unfortunately gnuplot couldn't plot. Simple plots like the ...
31
votes
4answers
30k views

Can I code using Swift on Mavericks?

Is is possible to code using Swift on OS X Mavericks? I found the manual on iBooks but that's as far as I can get right now.
31
votes
4answers
12k views

How do I silently start up my MacBook Air?

When I start up my MacBook Air, it makes a loud startup sound unless I muted the computer prior to shutting down last time. However, I cannot guarantee that I had muted the computer last time before ...
31
votes
4answers
23k views

How to set to open folder with enter in finder?

I want to set to open a folder in finder with Enter. I know it's possible to open a folder with ⌘ Command + ↓ Down Arrow but I don't like it and I never use it because it's easier to use the trackpad,...
31
votes
10answers
137k views

What's a good XML viewer/editor for Mac OS X?

I use XML Editor from XMLmind for editing/viewing XML file in Mac. It's not bad, but I expect an XML editor for Mac. What options do I have including the commercial/free software?
31
votes
4answers
26k views

Quick Look support for non-native video files (.avi, .mkv) on Mavericks

In the past, we've been able to get codecs for DivX/XviD/MPEG4 and support for containers like AVI, MKV in Mac OS X's Quick Look feature using Perian (as per this question). As noted on the Perian ...
31
votes
3answers
12k views

Yosemite auto creates multiple desktops (spaces) on main monitor

Since upgrading to Yosemite I've been having issue with OS X creating additional desktops on my main monitor for no apparent reason. I usually have 3 different desktops setup on my main monitor and ...
30
votes
30answers
23k views

What OS X tweaks, hacks, or modifications couldn't you live without?

What OS X tweaks or customization applications do you find indispensable? Please search before posting in order to avoid duplicate entries. You can search within this question with inquestion:this &...
30
votes
5answers
27k views

How can I run/stop/relaunch an application automatically, at boot/login/some other time?

How do you make a script or app to run or stop running automatically when the system is booted, a user logs on, at a specific time, when a disk is attached, etc.?
30
votes
4answers
25k views

How to view progress when encrypting a disk?

Mountain Lion allows one to encrypt any disk by right-clicking on the disk in the Finder and selecting Encrypt from the contextual menu. Is there anyway to check on the progress of this encryption ...
30
votes
1answer
26k views

How can I rename desktops in Mission Control?

The default new desktop space is named 'Desktop 1'. If you create a new one, it is named 'Desktop 2'. Is there a way to change those default names to something more meaningful? Additionally, it looks ...
29
votes
15answers
21k views

Lock Screen Command One-Liner

I'm trying to find out whether there is any kind of equivalent command line one-liner which replicates the exact identical functionality of the 'Lock Screen' menu option available via the Keychain app ...
29
votes
4answers
34k views

Do MacBooks have a true “Hibernate” option?

I've recently switched from Windows to a MacBook pro. In Windows, there are the following shutdown options: Standby - the machine goes into a "light sleep" from which it can awaken very quickly (...
29
votes
8answers
22k views

How can I reinstall an application that the Mac App Store thinks is installed already?

I'm the developer of an application that is currently on the Mac App Store. I'm trying to download my own application so that I can test out the binary that is on the store. (As opposed to running it ...
29
votes
2answers
14k views

Can I fix things so Archive Utility doesn't hang on all zip files?

I am using Mac OS X 10.8.2. I don't know exactly when it started (might have been after the upgrade to 10.8.2, but not sure), but now, any zip file I try to open starts up 'Archive Utility', but then ...
29
votes
1answer
87k views

Disable automatic iTunes launch when iPhone is plugged in via USB [duplicate]

How do I disable automatic iTunes launch when iPhone is plugged in via USB (for charging)? In fact, I would like to disable automatic launch of anything when an iPhone is plugged in (including ...
29
votes
6answers
54k views

Is there a shortcut which invokes the “Login Window…” fast user switching command?

Firstly, let me say that there's two questions on Think Different that claim to answer this question but do not: Does the MacBook Air have a Fast User Switching (Login Window) shortcut key? The ...
29
votes
1answer
73k views

How do I get F11 and F12 to behave like normal function keys?

I have a 2013 MacBook Pro Retina 15" and I'm trying to set the function keys to perform as normal function keys. So I want the behaviour to be inverted from the standard behaviour where I need to ...
29
votes
1answer
20k views

Can I still set my account picture to an image from disk in OS X Mountain Lion?

I can't seem to browse my hard disk for a custom image to use as my account picture anymore since installing OS X Mountain Lion. The new popover shows that I can now only choose from the default set ...
29
votes
1answer
1k views

Where does OS X keep the FileVault password during reboots in an upgrade?

For security concerns, I wonder how it would be possible for an OS X upgrade (e.g. from Mavericks to El Capitan), to reboot my Mac multiple times without asking me for my FileVault 2 password? I ...
29
votes
8answers
17k views

How can I add a new application to the Open With menu?

How can I add an application to the Open With menu (shown after right-clicking) for a given file type, without making that file always open with that application? In this specific instance, I'd like ...
29
votes
12answers
13k views

Why is the coreaudiod daemon using 5% or more CPU?

Every time I listen to music on iTunes or VLC, I notice that the process coreaudiod causes an unusually high CPU usage (5% or more). Are you having the same issue? What's the reason for such a high ...
29
votes
3answers
36k views

How can I open port 80 so a non-root process can bind to it?

I want to run a web server on my Mac as a non-root process. Normally only root processes can bind to port 80 (or to any port below 1024). Can I open port 80 specifically so that non-root processes ...
28
votes
6answers
29k views

Lowest volume is still too loud—how can I make it even lower?

The lowest volume I can get by pressing the volume keys is still too loud when I'm wearing headphones. How can I make it even lower? I have a Mac Mini 2011 (5,1) running Mountain Lion.
28
votes
10answers
39k views

Mac App Store opens to blank screen; cannot switch between menu options

Today I tried opening the App Store to update some software, but when it opens I am left with a blank screen: Also, when I click on the menu items in the top bar, multiple items will highlight in ...
28
votes
5answers
19k views

How to bring back multi-touch gestures after it crashes without reboot?

After a clean install of Yosemite, multi-touch gestures have stopped working on two occasions on my Macbook Pro 2011. Each time, the symptoms are the same: Gestures stopped working both built-in ...
28
votes
4answers
50k views

Can I make my Mac OS X Terminal color items according to syntax, like the Ubuntu terminal?

I want it to have all the colors for syntax folders, etc... How can I do that?
28
votes
2answers
25k views

how to check if it is safe to delete iNode file (or how to inspect its contents)?

How do I check if it is safe to delete the following file? $ cd /lost+found/ $ file iNode44670523 iNode46670523: xar archive -version 1 Note: the date of the file indicates it is about 1 year old. ...
28
votes
9answers
20k views

Is there a good command-line ID3 tool for OS X?

Anyone know of a command-line* ID3 tool, with support for ID3v2, that you can get working on Mac OS X with reasonable effort? It should support both reading and writing tags. (* I want to be able to ...
28
votes
1answer
18k views

Is there a way to hide the unread count badge in Mountain Lion's Mail.app?

Mail.app used to have the ability to hide the unread count badge, as shown on this 37signals blog post: It seems that Apple has removed this in OS X 10.8 Mountain Lion. Is there any way to restore ...
28
votes
3answers
9k views

Optimize macbook pro for internal SSD+HDD drives

I upgraded my MacBook Pro by replacing the SuperDrive with an SSD. I'm now using the SSD as the boot volume and have all my applications. My home folder is on the HDD. My question is how to best ...
28
votes
4answers
55k views

How can I force my keyboard backlight to turn on?

I have a MacBook Pro. When it senses the ambient light is low, the backlit keyboard turns on, and there are keys that let me control its brightness. But when enough light reaches the ambient light ...
28
votes
10answers
21k views

Why is the menu bar showing the VPN “Disconnecting” animation forever?

You know how when you disconnect from a VPN, you get a little scrolling "Disconnecting..." notification in the upper right notification area? Well, I'm getting that, but it never goes away. It's ...
28
votes
8answers
3k views

How do I uninstall a program completely on a Mac?

I come from a PC background... every time I want to uninstall an application, I must use add/remove programs. On the mac, you can simply run a .app file from wherever you want, and many say that the ...
28
votes
3answers
32k views

How do I get detailed SMART disk information on OS X (Mavericks or later)

I'm trying to get a detailed SMART status report on the drives in my Mac. I'm not talking about "Verified," I'm talking about the detailed report that's about 100 lines long listing all the vital ...
28
votes
9answers
119k views

Unable to Resize Partitions

I have recently created a partition on my macbook air running OS X 10.9, and this was to run install another OS instance (Yes, OS X 10.10 Yosemite, but that is an aside to the query I have) on it. I ...
28
votes
2answers
29k views

Run AppleScript from bash script

If I wanted to run an AppleScript from within a bash script I could call a file with the list of commands that I require to execute. #!/bin/bash {some commands} osascript file.scpt {other commands} ...