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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14
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4answers
3k 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 ...
11
votes
5answers
12k views

Gigabytes of disk space shown as hidden space in DaisyDisk

My disk space usage doesn't add up. I should have used only about 80 gigabytes, but according to DaisyDisk about 25 gigabytes is taken up by hidden space. The mystery disk space seems to be classified ...
11
votes
6answers
7k 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?
6
votes
2answers
4k 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 ...
5
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2answers
2k 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 ...
24
votes
9answers
14k 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 ...
18
votes
3answers
5k 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 ...
16
votes
2answers
29k 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 ...
13
votes
3answers
3k 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 ...
10
votes
3answers
6k views

How can I dim the screen from Terminal?

Is it possible to dim the screen from Terminal, in a Mac with OS X Lion? Is there any command to do control brightness and volume?
10
votes
5answers
9k 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 ...
22
votes
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 ...
15
votes
3answers
14k 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 ...
14
votes
5answers
89k 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?
12
votes
6answers
44k views

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

I would like to move folders like 'Pictures', 'Documents', 'Movies' to a different from default under the root of user's home location, preferably into a sub-folder under the same user's home folder. ...
9
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 ...
11
votes
3answers
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 ...
5
votes
1answer
773 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
3k 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 ...
11
votes
2answers
5k 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 ...
7
votes
4answers
865 views

How do I change the location of screen captures on 10.5?

As a developer, I take a lot of screen captures. I often take a lot to share with StackExchange members on chat. The problem is my desktop is so cluttered with screen captures that they're now ...
5
votes
2answers
234 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 ...
12
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 ...
10
votes
3answers
16k views

How do I run a jar when I double-click it?

So, I double click on my jar file and it just blinks a window with white screen then it disappears. After that, I right-click and select "Open with jar launcher" it is the same. too. I opened up ...
4
votes
3answers
547 views

Window management app on mac os x?

I currently use "Stay," and have tried other tools (haven't really loved any of them), but I am looking for a window management tool that does the following: Store my window locations Have a ...
2
votes
1answer
786 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 ...
2
votes
4answers
7k views

How to persistently define aliases in Terminal

I want to add aliases to my environment so that they are available in all Terminal instances. I got this answer: Yes, you can put it in your .bashrc, .bash_profile or .profile. On some systems ...
3
votes
2answers
3k views

How can I fix permission issue when I cannot start Mac OS X?

I was creating a guest account and to prevent it from accessing the Macintosh HD as in other applications and stuff I assigned it as in "No Access" When I switched to the guest account everything ...
2
votes
2answers
736 views

How to restore system from network drive?

I have a 2014 MacBook Pro. I want to restore my OS from a Time Machine backup which is on a shared network volume. When I restart in recovery (Apple-Opt-R), it boots from internet, but if I try to ...
2
votes
2answers
2k views

Shortcuts to label files in Finder

Are there any shortcuts to label a file in Finder? The fastest way i know is to place an icon in the menubar, but it would be much better when i can do it with the keyboard.
1
vote
2answers
5k views

Cancelled wireless Migration Assistant… best way to start over?

I was using the Migration Assistant utility to transfer data from my old MacBook Pro to my new Mac. I didn't anticipate issues using Wi-Fi, but the transfer of 250 GB of data using wasn't going to ...
182
votes
7answers
99k views

How can I configure Mac Terminal to have color ls output?

How can I configure Mac Terminal to have color ls output? I am using MacOS 10.5
134
votes
7answers
61k views

Make the green full screen window icon on Yosemite maximize windows

On Mac OS X Yosemite the green icon in every window: is by default used to make the application full screen. How do I make it work the same way as in previous versions of Mac OS X, i.e. to ...
69
votes
9answers
50k views

What do I type to produce the command symbol (⌘) in Mac OS X?

What combination of keys do I press to produce the command symbol (⌘) on Mac OS X? (I copied the above symbol from http://en.wikipedia.org/wiki/Command_key.)
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.
22
votes
4answers
30k 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?
32
votes
5answers
32k views

How to turn off all animations on OS X

Is it possible to turn off all animations on OS X?
62
votes
13answers
58k views

How to stop OS X from writing Spotlight and Trash files to memory cards and USB sticks?

When plugging a USB stick into a Mac, OS X creates a number of hidden files on the stick, including a Spotlight index and Trash folder. Example from the terminal for a USB stick "Untitled": $ ls -a ...
40
votes
6answers
23k views

How can I skip the Trash when deleting a file?

I frequently connect different external USB hard drives and flash drives to my computer and I would like to facilitate deleting files and regaining disk space from them. If I simply delete the file, ...
24
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 ...
11
votes
4answers
19k views

Discoveryd Alternative to Replace mDNSResponder Argument?

This is a direct follow-on to this question. Before Yosemite, I'd add the "-AlwaysAppendSearchDomains" argument to the mDNSResponder plist file so that all local resolver lookups added the search ...
28
votes
5answers
15k views

How to set PATH for Finder-launched applications

Apps launched via Finder seem to not respect the PATH as set in .bash_profile. So when I try to run code from an IDE (Intellij) I no longer have access to programs in /usr/local/bin, which is ...
15
votes
2answers
16k views

How can I move virtual memory swap files to a different drive or partition?

note: This is a question that I asked on SuperUser a while ago. I'm re-posting it here because I think it belongs here. By default, Mac OS X stores its swap files in /private/var/vm/. I would like to ...
7
votes
12answers
29k views

Looking for the ultimate IDE for Mac

I am a little disenchanted with development on the Mac right now. I need a single IDE that can handle all of my development needs. I did notice there are other questions on this topic already, but ...
48
votes
11answers
44k views

runaway distnoted process

Sometimes I see a distnoted process suddenly spin up and chew up 100% CPU (on one core) and a ton of memory, often in the neighborhood of 1.5G or so. This happens a few times a day, starting a month ...
15
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3answers
5k views

Switch between full-screen windows of the same application in Lion

Is there a keyboard shortcut in Lion for navigating through my open full screen Xcode projects? ⌘~ is not working.
20
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4answers
127k 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 ...
13
votes
7answers
16k views

Why does Spotlight keep reindexing my system after updating to Lion?

Since I installed Lion, the Spotlight database keeps reindexing (which is taking several hours). It does this at least every second day. Are any other users experiencing this problem with Lion (i.e. ...
18
votes
1answer
7k 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: ...
11
votes
6answers
4k views

Screen video capture application

I am Looking for a program that let's me capture screen videos on Mac OS X. I am requesting it for these two use cases: Capture of a webcam. It should allow capturing only the webcam App window. ...