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".

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28
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5answers
18k views

Can I reset Notification Centre badge counter for Messages?

The new Messages beta app (based on iChat) is stuck with one incoming message. Can I somehow reset the badge?
28
votes
4answers
175k views

Official way to obtain an OS X ISO file

I'm trying to install OS X Mavericks in VirtualBox on Windows 8.1. I have VirtualBox installed and the VM set up, but I need an ISO file to install the operating system. I've searched around and ...
28
votes
2answers
13k 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 ...
28
votes
1answer
17k 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 ...
28
votes
2answers
23k views

How do I disable this message: “the disk was not ejected properly”?

Is there any way to disable the "the disk was not ejected properly" message? I use a KVM and need to switch between two systems and have a memory stick that is in the KVM. The problem is that it's ...
27
votes
10answers
38k 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 ...
27
votes
8answers
17k views

Paint.NET alternative for Mac OS X

I would be extremely grateful to anyone pointing me in the direction of the Mac OS X analogue for the free Windows image-editing software Paint.NET. Basically the way I use it is I take lots of ...
27
votes
6answers
19k views

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 ...
27
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 ...
27
votes
4answers
16k 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 ...
26
votes
8answers
16k views

Can home and end keys be mapped when using Terminal?

The home and end keys on a MacBook Pro can be emulated with fn + left arrow or fn + right arrow. Or when certain settings are changed, with the Command (Apple) key instead of fn. None of these ...
26
votes
5answers
16k views

Can I disable Dashboard in Mountain Lion?

I'm wondering if there's a way to disable the dashboard in Mountain Lion. I never use it and I think it's consuming processor and memory powers.
26
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 ...
26
votes
1answer
11k views

Displaying combined file size of selected files in Finder

To find details about a files size, you can right click and select "Get Info": When I select a large number of files, and want to get information about all if them together as a single selection, ...
26
votes
1answer
4k views

Set the default search to current folder?

The Finder's search bar is an integral part of my workflow. I am constantly using it to search the contents of files within various folders. However, typing into this bar always searches the entire ...
26
votes
3answers
12k 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 ...
26
votes
5answers
10k views

Cmd+Tab switches to the correct space, but doesn't bring app up to front

I have a problem (bug?) with application switching on Lion. I use two Spaces. Say one has Postbox open, and another has Firefox and Vim. Vim is in the foreground, and Firefox's window is behind it. ...
26
votes
3answers
26k views

How can I make all folders in Finder “snap to grid”?

I don't like how in Finder, you can drag a folder and drop it anywhere, even overlapping on another folder. For example: That is just annoying. And when I resize the window, the files stay how they ...
26
votes
2answers
9k views

Why does the OS X Software Update check take so long?

Why does it take so long for Software Update in OS X to tell me that I'm up to date? I'm currently running 10.7.2, but this has been the case for all versions of OS X I've run. I just performed a ...
25
votes
7answers
48k views

How can I find color codes on Mac?

I used to find color codes which I want to use for texts or background colors on htmls with color edit tool of MS paint which pre-installed on Windows. But now I use Mac instead of Windows. How can I ...
25
votes
5answers
7k views

What is this symbol? ⎋ (it is listed as menu shortcut)

The shortcut that is reported in the -menu, for Force Quit menu-item, is ⌥⌘⎋ (the last character is the Unicode broken circle with northwest arrow). What key should I press to invoke the Force Quit ...
25
votes
6answers
23k views

Move through images in a folder with Preview.app

When looking at an image in a directory with the Preview application, I'm used to the Windows behaviour of using the ←/→ keys to move through all the other viewable images in that ...
25
votes
5answers
22k 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.?
25
votes
2answers
18k views

How can I prevent an SSH session from hanging in OS X Terminal?

When I close my MacBook with an active SSH session in Terminal and then wake it up, the prompt goes unresponsive. In about five minutes it says Write failed: Broken pipe and terminates. This ...
25
votes
3answers
9k views

Text copied from Terminal with formatting in Mavericks and Yosemite

After the update to Mavericks, anything copied from Terminal is pasted in the target app with the same formatting as in Terminal, in my case, white monospaced letters on a black background, e.g.: ...
25
votes
9answers
16k 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 ...
25
votes
4answers
15k 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 ...
25
votes
7answers
10k views

How can I permanently dismiss Updates Available notifications?

With the Notification Center in Mountain Lion, I get an alert when software updates are available. The problem is, my only options are 'Details' and 'Update'. I don't want to interrupt my work to ...
25
votes
1answer
4k views

How to turn off slide transition when switching between two full screen applications on OS X Mavericks?

Application switching cause one application to slide into another. Most times this is fine but am working on a MacBook Air and the slide transition causes motion sickness at times, especially after ...
24
votes
8answers
201k views

Alternative to Windows Snipping Tool for Mac OSX

Is there something like the Windows Snipping Tool for OSX? For those, who don't know about the tool, it's an easy to use software to take snapshot of any portion of screen, and is really useful in ...
24
votes
2answers
42k views

How to enable OS X screen sharing (VNC) through SSH?

I forgot to turn on "VNC viewers may control screen with password", to enter on my working Mac, is there way to turn-on this feature remotely via SSH (I'm on WindowsXP now)?
24
votes
9answers
24k views

What's a good SSH tunneling client for OS X?

I've using SSH Tunnel manager to easily set up and stop port tunneling over SSH to various servers at my company. That saved me the pain of opening up a new terminal window which will hang out there ...
24
votes
6answers
11k views

Can Finder delete a file directly and bypass moving it to the Trash?

Is it possible to really delete a file (ie, bypass the Trash) from Finder? Currently, when I want to reclaim space from a USB drive, I rm files/folder from the Terminal, but I'd like to do it from the ...
24
votes
7answers
29k views

What Is the Keyboard Shortcut for Sleep Display Without Eject Key?

I read that if you want to put your display into sleep the keyboard shortcut is Control ⌃+Shift ⇧+Eject ⏏, but what is it in Mountain Lion or Lion using a retina MacBook Pro or MacBook Air without an ...
24
votes
1answer
6k views

What is the “rootless” feature in El Capitan, really?

I have just learned about the "Rootless" feature in El Capitan, and I am hearing things like "There is no root user", "Nothing can modify /System" and "The world will end because we can't get root" ...
24
votes
4answers
29k 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 ...
24
votes
11answers
10k 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 ...
23
votes
6answers
19k 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.
23
votes
3answers
25k views

Hide username from menu bar in Mountain Lion

In Mountain Lion, my full name is displayed at the right of the menu bar (between the time and the search icon, to be specific). As it takes a lot of space, I was wondering if there is a way to hide ...
23
votes
3answers
7k views

Enter a filename in the File Open dialog

Can I enter a path to a file and its name instead of selecting a file in Mac OS X file dialog? I tried just typing into an open dialog but it will just try to "Go to a folder", it won't accept a full ...
23
votes
4answers
36k 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?
23
votes
2answers
116k views

Using The Terminal Command to Shutdown, Restart and Sleep My Mac?

I'm getting more interested in using Terminal as an alternative way to address solutions on my Mac. I have seen this question entitled "Is there a better way to shutdown/restart OSX?". I would ...
23
votes
7answers
19k 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 ...
23
votes
15answers
16k 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 ...
23
votes
1answer
14k 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 ...
23
votes
5answers
59k views

How to remove an accidentally dropped file shortcut icon from Finder toolbar?

I accidentally dropped a file in the Finder toolbar instead of the destination folder (the ZIP icon on the right of the screenshot): How can I remove it from the toolbar?
23
votes
1answer
874 views

How do I stop Finder from warning me when I change a file extension?

When renaming a file in the Finder and changing the file extension, I get the following warning message: How can I disable it?
23
votes
2answers
43k views

Why Mac OS X don't source ~/.bashrc [duplicate]

I found a lot of people figuring out why instruction similar to this : Put X to your ~/.bashrc and you can do Y don't work. It always turns out that Mac OS X's bash's startup files (or Mac's ...
23
votes
3answers
101k views

Where can I find the task manager in Mac OS X Lion?

Where can I find a task manager in Mac OS X Lion? I want to see the processes that are currently being run, and I can kill any process I like.
23
votes
8answers
81k 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 ...