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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53
votes
7answers
38k views

I am missing the option to see the remaining battery life as time in the menubar?

In previous versions of OS X the battery indicator in the menubar included options to show the remaining battery life as percentage or time (or nothing). In Mountain Lion, there's only an option to ...
19
votes
4answers
30k views

How to hide computer name and user name in terminal command prompt

How can I hide username and computer in terminal command prompt? In Terminal it says Last login: Mon Jan 13 00:00:14 on ttys000 Whatever:~ UserName$ Is it possible to show just the current ...
51
votes
3answers
4k views

Where did the ~/Library folder go in Lion?

I just installed Lion, and I can't find the Library folder in my user folder. Does the folder no longer exist? If it doesn't, where are my preferences? If it does, how do I get to it?
31
votes
4answers
22k 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 ...
17
votes
3answers
5k views

How do I find the windowid to pass to screencapture -l?

The command line utility screencapture claims to be able to capture a single window without requiring interaction, but I can't figure out what to pass it. -l<windowid> capture this windowsid ...
16
votes
4answers
4k views

How to permanently put TextEdit in the Open with… menu list?

I'm a developer and often dealing with unusual file types. If I want to open one of these files in TextEdit, I have to start it first and then open the file with it, or drag the file to the TextEdit ...
12
votes
5answers
9k views

Is there a way to hide certain apps from the cmd+tab menu?

Is there a way to hide certain apps from cmd+tab? The problem I'm facing is that I have some apps (like iTunes and of course Finder) always open. But when I'm working and switching between apps that ...
8
votes
3answers
6k views

In Mountain Lion how do I set, in one place, the PATH environment variable for all newly launched applications?

On Ask Different there are many questions regarding the PATH environment variable and how to set it for applications launched by a shell, by spotlight or via the finder (typical questions: How to set ...
41
votes
5answers
24k views

Can I copy by highlighting and paste by middle click on Mac OS X?

I was using Linux for the last couple of years and I find it extremely useful to copy text by highlighting it as well as to paste by clicking a middle mouse button. I'm using a Mac now and I wonder ...
25
votes
7answers
33k 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 ...
18
votes
8answers
10k views

Snap feature for Mac?

Coming from Windows I have gotten extremely used to the Windows Snap feature, which resizes a window when it's dragged to the screen edges. However, it's not built into OS X. Are there any 3rd party ...
12
votes
30answers
5k views

What are some great OS X games? [closed]

Despite being a "subjective" question, it is a useful one for newcomers to the Apple platform, and serves to aide the lacking gaming community. What are your favorite OS X games? Rules: Limit to ...
48
votes
5answers
29k views

How do I run an app in Full Screen mode on OS X Lion on my second monitor?

How do I get an app to run in Full Screen mode on OS X Lion on my second monitor? It seems to be stuck on my first monitor, and I'd like to move it.
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 ...
23
votes
4answers
7k views

Can Mac App Store installs & upgrades be automated?

How can I script installing or upgrading apps from the Mac App Store? I'd prefer command line tools, but AppleScript or some other API would suffice. Relevant puzzle pieces: installer: note ...
17
votes
5answers
17k views

ntpd not updating time

I had updated my old iMac to Mavericks just fine. I then bought a new (certified refurbished, actually) iMac and migrated everything over from a Time Machine backup. The new iMac's clock loses ...
17
votes
4answers
12k views

How can I install the Command Line Tools completely from the command line?

I'd like to script the installation of the the Xcode Command Line Tools. On Mavericks, xcode-select --install will open a dialog prompting the user to install, but I'd like to trigger the install ...
14
votes
6answers
21k views

re-mount ejected SD card without reinserting

I use a microSD card in my macbook air for additional storage, using a flush adapter (homemade, similar to the nifty minidrive). To save battery when I'm not using it, I disabled auto-mount using ...
32
votes
4answers
39k 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 ...
27
votes
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 ? ...
11
votes
5answers
11k views

Uncheck “Reopen windows when logging back in” by default

The shutdown/restart dialog has a check-box Reopen windows when logging back in which is checked by default. I need to change its behavior to be unchecked by default. Is this possible? If yes, how can ...
8
votes
1answer
4k views

Why is it that my Mac would rather swap than clear inactive memory?

Why is it that my Mac (running 10.8 Mountain Lion) would rather swap than clear inactive memory? I know people say that the Mac OS manages itself and whatever, but there is a serious performance dip ...
24
votes
2answers
4k views

How to determine original location of file that is currently in the Trash?

Suppose some file "Any File.pdf" is in the Trash (aka ~/.Trash). How can I determine its original location? By "original location" I mean the folder where that file would be moved to if one were to ...
17
votes
7answers
66k views

Move 'Pictures', 'Documents', 'Movies' etc folders

I would like to move folders like 'Pictures', 'Documents', 'Movies' to a different from the default under the root of user's home location, preferably into a sub-folder under the same user's home ...
16
votes
3answers
13k views

Can I install or update Mac App Store apps through a command line using terminal? [duplicate]

Is there an official way provided by Apple or a workaround so that I can install or update Mac App Store apps through Terminal?
12
votes
6answers
9k views

How can I use NTFS partitions in OS X?

My coworkers use NTFS partitions, and I can't share my data with them, as NTFS on Mac OS X is read-only. How can I read and write onto NTFS partitions?
10
votes
2answers
2k views

Is there a way to disable OS X auto termination of applications?

Is there a way to tell OS X Lion to disable auto-termination for a given application that you do not want to auto terminate? FYI Lion is a quitter if you did not already know, what if you don't want ...
7
votes
5answers
17k views

Finder and Dock issues in OSX 10.10.1

I have been having issues with Finder and the Dock ever since the upgrade to 10.10.1 (I can't be certain they weren't there in 10.10). I am unable to drag items off of the Dock (to remove them). I ...
5
votes
3answers
3k views

How can I export text substitutions from Lion for import into Mountain Lion

I am trying to migrate to a brand new install of Mountain Lion. I am trying to migrate select data from my old Lion install. Does anybody know where the text replacement definitions in System ...
35
votes
5answers
11k 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 ...
20
votes
3answers
6k views

When opening a DMG file, how do I get it to open up in front of the windows?

Whenever I download a .dmg file and then open it (usually from the download bar in Chrome), it opens up in the background. Is there any way to get it to open up in front of my window? Edit To ...
10
votes
1answer
11k views

Can I delete /private/var/folders/bf/?

I have this folder /private/var/folders/bf/ with 3GB of what seems temporary files. Can I delete this folder?
6
votes
2answers
8k views

How can I create a dictionary for Mac OS X?

Dictionary seems to be several versions ahead of the Apple documentation (2007). I found a good blog post about it, but everything seems different now. I installed Xcode (including the command line ...
20
votes
1answer
9k views

Make the Menu Bar never show while in Full Screen

Pretty much every application I use in fullscreen, including Firefox, MacVim and the Terminal, has tabs on the top of the screen. The problem is, when I move my mouse to reach the tabs I acidentally ...
14
votes
5answers
93k views

Is AirDrop possible between iPad, iPhone and MacBook?

A new MacBook came with something called AirDrop and worked between many MacBooks such as MacBook Pro and MacBook Air. Can I also use AirDrop to exchange data between Macs and iOS devices?
13
votes
3answers
12k views

Can I change my OS X theme?

Some of my friends said that OS X sucks because you only have to choose one theme on every device that have OS X. I searched, but I didn't find any feasible solution just one little thing that cost ...
13
votes
4answers
10k views

My Mac mini's computer name keeps changing when it resumes from sleep

When I wake my Mac mini from sleep, it occasionally comes up with a dialog saying "The name of your computer "whatever" is already in use on this network. The name has been changed to "whatever (1)"" ...
13
votes
4answers
2k views

Problem with “Always Open With” in OS X

I want know how can I apply a software to open all my same document, for example I want to open all my PDF document with Skim but when I right click on it> open with > other and choose my desired ...
6
votes
1answer
919 views

Emacsify OSX throughout: word-forward (⌥ + F) and word-backward (⌥ + B) instead of 'special characters'?

Yes, the OSX already supports ⌥+← and ⌥+→ for moving the cursor word-backward and word-forward, but reaching for arrow keys is annoying. So, why not rather have ⌥+B and ⌥+F do this? I mean, not once ...
5
votes
1answer
5k views

Why is a command line change to ~/Library/Preferences/com.apple.LaunchServices.plist not effective immediately?

When the Info window of Finder is used to associate files of a particular type with an application: the preference is effective immediately. When Terminal is used to make a comparable addition ...
2
votes
1answer
4k views

I can't find a setting to disable WINS in Network settings

In my Network settings under WINS I have the NetBios name (elly) that I would like to disable (kill). The message shows that the "elly"is currently been used ? By whom, for what ? There a bunch of ...
21
votes
4answers
23k views

what is com.apple.coresymbolicationd in caches?

Doing some cleanup on my Macbook Air with 128 SSD looking for big files to reduce space used. I found something named com.apple.coresymbolicationd that is 1GB in the library/caches folder I don't ...
13
votes
2answers
6k views

keyboard no longer repeats keys when held down

I just wanted to make some input where I press a key and the auto-repeat function engages so I don't have to press the 0 key many times to make a long number. 10000000000000000000000000000 This has ...
12
votes
5answers
31k views

Convert a partition from case-sensitive to case-insensitive

I have installed snow leopard on a macbook ans selected case-sensitive file system when partitioning the disk, presuming that it's a standard thing and I'd rather have this system behaving as close as ...
8
votes
1answer
8k views

List failed login attempts on Mavericks

I want to see if somebody has tried to log in on my computer, which is running Mavericks. I am primarily interested in tracking ssh log in attempts, as well as tracking people physically typing ...
8
votes
2answers
2k views

Enable click-through, preferrably for all applications

I would like to enable click-through on all windows. Is this possible on Lion? To be more specific, "click-through" as defined by Apple in the Mac OS X Human Interface Guidelines means "that the user ...
6
votes
4answers
389 views

Faster Press and Hold Character Picker

Does anyone know how to make the character picker appear more quickly? I use it enough now in my German language studies that it has become second nature for the critical marks and much faster than ...
5
votes
3answers
5k views

Partitioning Software

Is there an equivalent on the Mac platform to Partition Magic or GParted that will allow me to resize, move, and/or change partitions on the fly without formatting, or disturbing the data that is ...
4
votes
1answer
11k views

New version of Keynote won't open old versions

When using a newer version of iWork software such as on Yosemite to open older documents and presentations, Pages reports "This document can’t be opened because it’s too old. To open it, save it with ...
14
votes
2answers
4k views

Can I force my Mac to make better use of the inactive memory?

I use mysql and it takes up to 2.5 GB of my ram. I checked activity monitor and saw that I have 1GB of inactive memory but it never changes even if I have only 10MB active free memory. Is there any ...