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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What tool exists to identify the RGB value of a pixel?

I need to get the RGB for a pixel that is in an image. Under Windows this is easy but is there a way to do this on Mac OS X?
25
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3answers
43k views

Can I get the CPU temperature and fan speed from the command line in OS X?

Is there a command I can run from the command line in OS X to get the current CPU temperature and/or the fan speed(s)? To be more specific, I'd like to be able to get the same info available in the ...
25
votes
8answers
77k 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?
25
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7answers
9k 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 ...
24
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5answers
19k 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.?
24
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5answers
14k views

Is there a way to convert audio files in Mac OS X or the command line without using iTunes?

Now, I know I can use iTunes to convert music. But it's quite a pain.. All I'm asking is: Is there anything built into OS X or UNIX for converting files? Right now I simply want to convert .mp4 to ...
24
votes
4answers
49k views

How do you EXIT full screen mode in Yosemite?

OMG, I just discovered the new green button behavior in Yosemite that causes the window to go to full screen instead of maximizing it. That's fine, and I can live with option+click to get the old ...
24
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6answers
7k views

How do I speed up new Terminal tab loading time?

How can i speed up the terminal startup in Lion? I'm not referring to the startup of the Terminal application, but to the startup terminal windows, like when i open a new tab. I don't have anything ...
24
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1answer
3k 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 ...
24
votes
1answer
15k 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 ...
24
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5answers
8k 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. ...
24
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1answer
19k 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 ...
23
votes
8answers
13k 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 ...
23
votes
7answers
17k 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
6answers
10k 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 ...
23
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9answers
13k 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 ...
23
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1answer
856 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
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7answers
25k 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 ...
23
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1answer
45k 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 ...
23
votes
1answer
3k 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 ...
22
votes
8answers
164k 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 ...
22
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5answers
5k 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 ...
22
votes
9answers
25k 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 ...
22
votes
9answers
17k 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 ...
22
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5answers
52k 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?
22
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1answer
2k views

What is the significance of 1946-02-14 08:34:56?

When Finder is operating on a file or folder on the system, the file/folder is greyed out and unable to be opened, as well as unable to be trashed. This is most notable when copying or moving a file ...
22
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1answer
7k 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, ...
21
votes
3answers
23k 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 ...
21
votes
4answers
29k 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?
21
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15answers
12k 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 ...
21
votes
4answers
9k views

Can a Mac's model year be determined via Terminal Command

Does anybody know a terminal command that gives me the the model of my Mac? For example - "MacBook Pro, Retina, 13-inch, Mid 2013" or "MacBook Pro, Late 2009" or "Mac Mini, Early 2010". That ...
21
votes
10answers
10k 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 ...
21
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6answers
15k 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 ...
21
votes
5answers
11k 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 ...
21
votes
1answer
15k views

How can I remove the Finder icon from my Dock?

I've started using Forklift as a Finder replacement, so I don't need Finder in my Dock. In fact, I would much rather have Forklift be the farthest left icon so I don't accidentally click on Finder. ...
21
votes
6answers
254k views

Can I downgrade to Mavericks after installing Yosemite (beta/developer preview)?

I have installed the developer preview for Yosemite. Huge mistake. Everything in my workspace is broken. I don't have any sort of backup image. I was wondering if I could re-download Mavericks and ...
21
votes
10answers
8k 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 ...
21
votes
2answers
778 views

Mimic Xcode's camelCase selection keyboard shortcuts in OS X

I spend a very large amount of time editing text in Xcode, and I would like maneuvering around text within the rest of the Cocoa Text System to offer an identical experience. There are 3 versions of ...
20
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16answers
4k views

Is there a free, lightweight text editor that isn't text-only but also isn't a heavyweight IDE?

I'm not really satisfied with the text-editors available for Mac OS X. I tried TextWrangler, Smultron, Coda, SubEthaEdit, TextMate and others I do not remember. But none of the above satisfied my ...
20
votes
12answers
49k views

Will Mountain Lion make an older computer run faster or slower?

Performance/responsiveness is a common concern with new software, especially on older machines. In general, upgrading from Snow Leopard (10.6) to Lion (10.7) wasn't too bad, but now Mountain Lion ...
20
votes
4answers
118k 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 ...
20
votes
2answers
35k 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)?
20
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7answers
68k views

How do I figure out if my OS is Mac OS X 32 bit or 64 bit?

I am using a Mac for the first time and need to install Eclipse. How do I know if I am on a 32 bit or 64 bit computer? I am on a MacBook Pro.
20
votes
5answers
13k views

Why does the enter/return key rename a file/folder, instead of opening it? [closed]

Is there some sort of known logic behind Apple's choice to make the enter key rename a file/folder, rather than open it as is standard on Windows and Linux? For those of you coming here for the ...
20
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5answers
23k views

How do I write to NTFS drives in OS X?

What is the best, easiest, preferably cheapest way to make Lion write to (external) NTFS-formatted drives in Mac OS X?
20
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4answers
172k views

Roll back from OS X Mavericks ( or any newer OS) to Mountain Lion

I installed the developer preview of OS X Mavericks, & too many things broke. I can't stay on it & need to roll back to Mountain Lion. Any ways of doing that? Please help! I originally ...
20
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6answers
17k views

How to unlock a Mac that's been locked with Apple Remote Desktop's “curtain” screen lock

Apple Remote Desktop has a "curtain" feature that a remote client can use to lock the screen of the Mac that's being remotely controlled. I use this when I connect to my work Mac from my home Mac. ...
20
votes
3answers
11k 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 ...
19
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6answers
13k 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.
19
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7answers
35k 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 ...