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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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 ...
29
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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 ...
29
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3answers
34k 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 ...
29
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10answers
122k 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 ...
29
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2answers
95k views

Where are Microsoft Office for Mac My Templates stored?

Where do Word for Mac and Powerpoint for Mac store user templates?
29
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17answers
21k views

Intriguing connection issue on OS X

I've been recently having this issue with my internet connection on my MacBook Pro Early 2011 running OS X 10.8.3: from time to time the connection "freezes" for about 5 seconds and then comes back. ...
29
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4answers
26k views

Copy and Cut sometimes don't work [closed]

My system is kept fully up to date and I still see this problem intermittently, although not as often as I used to; I would say that this has not been fully fixed. If there are any workarounds other ...
28
votes
8answers
8k views

What's the proper way to pronounce “Mac OS X”?

I was inspired by the question Mac or Macintosh. What's the proper way to pronounce "Mac OS X"? I've heard the following things used to refer to the operating system on the Macintosh: "Mac OS Ten" (...
28
votes
3answers
27k 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 ...
28
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5answers
17k 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.
28
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1answer
12k views

How to record iPhone screen on OS X Yosemite?

OS X Yosemite brought support for recording iPhone/iPad screen natively without having to using AirPlay applications like AirServer or Reflector. How do I record the iPhone screen on OS X Yosemite ?
28
votes
2answers
28k views

How to investigate high kernel task memory usage?

I was using my MBP (with 16GB of RAM) as usual and out of blue I've this popup that: Your system has run out of application memory. To avoid problems with your computer, quit any applications ...
28
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6answers
29k views

How do I write to NTFS drives in OS X?

What is the best, easiest, preferably cheapest way to make OS X write to NTFS-formatted drives in Mac OS X?
28
votes
8answers
87k views

How to eject my external drive when my Mac refuses because of Spotlight?

I have plugged an external disk to my Mac. Now, I want to eject it. But my Mac stubbornly refuses and says that an application may be using the disk. I have not launched any app neither opened any ...
28
votes
8answers
44k views

Can I disable auto-correction of a single word on OS X?

I'm running into an annoying issue with OS X's automatic spelling correction where the word nala gets automatically corrected to napa. I've tried adding nala to my custom dictionary under ~/Library/...
28
votes
5answers
13k 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. ...
28
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 ...
28
votes
2answers
5k 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 ...
27
votes
19answers
71k views

How to maximise a window to fill up screen in Mavericks?

Before Mavericks, I could maximise a window while holding shift key, and the window would always fill up the entire screen without needing any third party tools or changes. It no longer works in ...
27
votes
6answers
21k views

How can I remove this icon from the menu bar?

I am seeing attached icon in the top right menu bar. I tried deleting MenuExtras by going to /System/Library/CoreServices/Menu Extrasbut it didn't help, please help to hide or remove it.
27
votes
4answers
32k views

How can I kill a process by its name?

Sometimes I notice that the process Python hung up. Then I'll kill it via the Activity Monitor and everything is fine. I'd like to kill that process in the Terminal instead. However, looking up the ...
27
votes
7answers
12k views

Can I make a symlink (to a .app folder) in Applications directory show up in spotlight?

I used brew to install MacVim and it put it in /usr/local/Cellar/macvim/7.3-61/MacVim.app I would like to be able to go to spotlight and type MacVim to launch the app. I tried creating a symlink in ...
27
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11answers
53k views

How do I sync two folders in OS X Lion?

I have some files and folders on a USB drive connected to my iMac...I would like to sync them with a folder on my iMac...how do I do that? Is there built-in functionality in Lion that allows me to do ...
27
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4answers
8k views

Shortcut to revert autocorrect change

I like the autocorrect feature, but sometimes I want to revert to the word I typed. If i backspace to the word, I see an overlay with the word as I typed it, but can't figure how to revert to it ...
27
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5answers
8k views

Disable line wrapping for output in the Terminal

I often read outputs in the terminal that get wrapped as they are too long. Since there is no way that I can modify the printed output, I need to let the Terminal allow for horizontal scrolling. Is ...
27
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6answers
131k views

How can I browse photos on iPhone in Mac OSX?

Previously, on Windows, iPhone was recognized as a camera and I could browse image folder with Explorer without a need to import/download/tranfer photo files to the computer. Is there a way to do the ...
26
votes
6answers
54k views

Damaged and can't be open app error message

I bought the iBoostUp app when I was using Lion, and one day it suddenly stopped working, I uninstalled it, and yesterday I got Mountain Lion hoping that it would get magically fixed, but it didn't. ...
26
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7answers
101k views

How can I add new folders to the Favorites in the Finder sidebar?

I'd like to create a new Favorites folder item in the Finder, how can I tell the Finder that I would like a particular folder to appear in my list of Favorites shown on the left hand sidebar of the ...
26
votes
4answers
15k views

Is it possible to launch a program in a specific language?

I'm a developer, and my primary language is French, so I use Mac OS X in French. However, I need on a regular basis to open an application in English to do support. Right now I'm going to the ...
26
votes
6answers
38k views

Resizing or expanding a CoreStorage volume

I bought a new SSD with 750 GB and made two partitions: 600 GB and 150 GB. The smaller one was thought to be a Bootcamp partition one day, but to date it was just another unused partition. When I ...
26
votes
9answers
22k views

What's the best text editor for use with large files?

What are your recommendation for opening large text files on OS X? I found both BBEdit and Textmate to be struggling in this department.
26
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1answer
27k views

OS X Calendar - view shared Google calendars

I've been able to add a Google Calendar (CalDAV) account to OS X Calendar (v6, Mountain Lion 10.8.5) without problem, and all my own calendars show up. Is there a way of seeing calendars others have ...
26
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6answers
12k 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 ...
26
votes
5answers
67k 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?
26
votes
4answers
15k views

What does “@” signify in unix file permissions?

I have a file with the following permissions on my MacBook Pro: -rwxr-xr-x@ 1 root wheel 101K Feb 29 17:09 apachectl What does the @ stand for? I can't execute the file and this is the only ...
26
votes
7answers
34k 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 ...
26
votes
5answers
43k views

Right-click, create a new text file. How?

In Finder > Select a folder > Right click, we get a popup with an option to create a new folder: Is there a way to add menu item New Textfile for adding a new text file?
26
votes
7answers
17k views

How can I stop my retina display from taking 2x sized screenshots?

I recently got a retina display MacBook, and all my screenshots (via ⌘ CMD+⇧ SHIFT+3 or ⌘ CMD+⇧ SHIFT+4) end up being twice the size compared to how they appear on-screen. How can I stop this from ...
26
votes
9answers
16k views

Is there any Mac software to handle archives (zip, rar, 7z, tar, etc.) that allows browsing?

I am looking for a software to handle archives on OS X. I know there are many of them quite easy to find, but none seems to have the most basic feature that most Windows archive applications have: ...
26
votes
4answers
39k views

How can I set up a keyboard shortcut for switching input source?

I have to change my language option very often. It is hard when I write something with combination of both "English" & "Bangla", because I have to change that option rapidly. Is there any way to ...
26
votes
7answers
11k 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 ...
26
votes
3answers
110k views

How can I open port 8080 of Mac OS X Lion?

How can I open access to port 8080 from the outside world (private lan) on my Mac OS X Lion? I'd like to access a webpage that's running on my lamp stack on my mac (zend server ce) from within the lan....
25
votes
8answers
41k views

How to check if my HD is case sensitive or not?

How can I get information if my HD format is case sensitive or case insensitive? I want to make sure my Mac running Mountain Lion has a case sensitive file system.
25
votes
5answers
24k views

Can I view system stats in the Terminal?

The widget iStat Pro allows to monitor different system stats like CPU usage network bandwidth in/out memory usage ... How can I view such system stats in the Terminal?
25
votes
7answers
4k views

Taking a screenshot of a tooltip

I am attempting to take a screenshot of a tooltip that appears when a user hovers over it, and immediately disappears upon any key press or cursor movement. Unfortunately, this means the typical ...
25
votes
3answers
55k views

Wake Other Computers from Mac OSX

Is there a terminal command within Mac OSX that will allow me to use WOL (Wake On LAN) to wake up other computers? Windows has wolcmd, is there an equivalent within OSX? I am trying to wake a ...
25
votes
2answers
38k views

How to close all windows of Mac OS X Finder?

Having 30 or 40 windows of different folders open, is there any way to close all of them at once? I tried to relunch Finder, and I was happy for a second having no open window anymore, but it reopened ...
25
votes
1answer
894 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?
25
votes
1answer
3k 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 ...
25
votes
2answers
10k views

What's the correctly way to make Postfix run permanently on Lion (not server)

I can start Postfix temporarily with: $ sudo launchctl launchd% start org.postfix.master However, Console.app shows that it only runs for a short time: 26/11/11 2:00:55.710 PM postfix/master: ...