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".

learn more… | top users | synonyms (3)

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8answers
18k 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 ...
28
votes
4answers
6k views

How do I silently start up my MacBook Air?

When I start up my MacBook Air, it makes a loud startup sound unless I muted the computer prior to shutting down last time. However, I cannot guarantee that I had muted the computer last time before ...
27
votes
29answers
12k views

What OS X tweaks, hacks, or modifications couldn't you live without?

What OS X tweaks or customization applications do you find indispensable? Please search before posting in order to avoid duplicate entries. You can search within this question with inquestion:this ...
27
votes
13answers
85k views

How to combine two images into one on a Mac?

Say I have two photos (or any images), for example with the following dimensions: +----------+ +----------+ | | | | | | | | |320 x 428 | and ...
27
votes
6answers
11k 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, ...
27
votes
9answers
61k views

How to arrange two windows easily to left and right side?

In Windows 7, we can easily arrange two windows with these shortcuts: Option (Alt) ⌥ + ← maximizes the window to the left side of the screen, and Option (Alt) ⌥ + → maximizes the window to the right ...
26
votes
1answer
10k views

How can I make ctrl+right/left arrow stop changing Desktops in Lion?

⌃ Control+→ and ⌃ Control+← switches desktops. I actually had this enabled in Spaces on Snow Leopard, but I'd like to turn this off because I use those key combinations when editing in Eclipse. How ...
25
votes
6answers
5k views

How can I select buttons with just the keyboard?

Many user interface (UI) elements or dialog boxes have buttons. I would like to be able to select a button with just the keyboard, without the mouse. How can I do this?
25
votes
3answers
7k 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 ...
25
votes
2answers
7k 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 ...
24
votes
15answers
64k views

Is there a way to start the Terminal with a keyboard short cut?

Sort of like the Windows+R command in the windows world? That actually just lets you run a command but you get the idea.
24
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8answers
13k views

How can I make auto-hide/show for the dock faster?

I really like the auto-hide feature of the dock in Mac OS X. However, the animation for the dock to reappear is just a bit too slow for me. Since this is quite annoying, I disable the feature. Is ...
24
votes
8answers
137k views

Ctrl + Alt + Delete: Mac Equivalent?

Ctrl + Alt + Delete on Windows provides a variety of functions, the main one of interest being the Task Manager. Is there an equivalent keyboard shortcut & indeed Task Manager for carrying out ...
24
votes
5answers
14k 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.
24
votes
2answers
12k 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 ...
24
votes
5answers
12k views

How can I modify the list of Applications under 'Open With…'?

I recently went to open an audio file, and wanted to open it in an editor instead of a player. I right-clicked it, hovered over 'Open With...' and was met with a very unsightly list. I have seen a ...
24
votes
7answers
2k 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 ...
24
votes
3answers
16k views

Was the FileMerge application removed from OS X 10.7.3?

I just updated to 10.7.3 and can no longer find the FileMerge application, which is part of the Xcode developer tools package. Did apple remove this in 10.7.3? I've checked in my developer directory, ...
23
votes
6answers
9k 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
votes
4answers
28k views

How can I send a mail message later?

Back in the day, I remember having an e-mail program (perhaps it was Eudora?) that could schedule the sending of mail, so when composing a message, you could set some preference for when it would be ...
23
votes
6answers
9k views

Change the mouse wheel scrolling acceleration

I am new Mac user and I don't really like the Magic Mouse so I reverted to a good old 3 button mouse with a scroll wheel. When I turn the wheel slowly, it only scrolls pixel per pixel (or per two ...
22
votes
13answers
12k views

Copying the current directory's path to the clipboard

What's a quick way of copying the path to the directory that's currently open in Finder? Copying that path is very easy in Linux and Windows file managers - you just need to copy it from the address ...
22
votes
5answers
27k views

Are there keyboard shortcuts for Home, End, PageDown, and PageUp in OS X?

How do I set keyboard shortcuts for Home, End, PageDown, and PageUp on a 13" MacBook Pro? Are there default keyboard shortcuts? Or can I do it with Automator (and if so, how)? I want them to work the ...
22
votes
3answers
13k views

Can I code using Swift on Mavericks?

Is is possible to code using Swift on OS X Mavericks? I found the manual on iBooks but that's as far as I can get right now.
22
votes
7answers
53k 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?
22
votes
2answers
15k 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 ...
22
votes
4answers
5k 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. ...
21
votes
5answers
14k 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.?
21
votes
4answers
9k views

Can I change the behavior of the Home and End keys on an Apple Keyboard with Numeric Keypad?

I just bought an "Apple Keyboard with Numeric Keypad", then I connected it to my Macbook Pro running Lion. But the home and end key under the F14 key doesn't work as I expected. Say in "Pages", the ...
21
votes
9answers
10k 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 ...
21
votes
6answers
14k views

What is wired memory?

I'm trying to figure out what is using all of the memory in my Macbook Pro running OS X Lion. I have 8 GB of memory total. When I quit all active programs except Finder and Activity Monitor, then run ...
21
votes
1answer
12k 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 ...
21
votes
7answers
6k 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 ...
20
votes
5answers
7k 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 ...
20
votes
4answers
18k views

How to turn off all the animation effect on mac os

I bought my macbook pro like .. a month ago. I'm actually a windows user. I like my mac os, except the animation effect. Is it possible to turn off all the animation effect on mac os ?
20
votes
5answers
42k 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?
20
votes
2answers
1k views

Can someone describe the purpose of OSX root level folders in laymen's terms?

Simple and concise documentation on the OSX folder hierarchy is sparse. I'm looking for a simple description of each - what are the functions of each? /private /var /usr /tmp /etc /bin /sbin ...
20
votes
7answers
19k 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 ...
19
votes
1answer
10k views

Open Finder window from current Terminal location?

If I am in a specific path in a Terminal window, how can I open that same window in a new Finder window? Note: This is the opposite of opening a Terminal from Finder.
19
votes
5answers
12k views

Is there a keyboard shortcut to move a window from one monitor to another?

Is there a free app that I can use to move a window from one monitor to the other monitor (assuming only two monitors) via the keyboard? I shouldn't have to use the mouse at all (e.g., for selecting ...
19
votes
7answers
56k 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.
19
votes
7answers
13k 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 ...
19
votes
2answers
5k views

Task Switcher moves to non-primary display on Mavericks

I'm running OS X Mavericks on a computer with two displays that are not mirrored. One of them is configured as the primary display using the menu bar location in Displays System Preference, ...
19
votes
10answers
7k 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 ...
19
votes
5answers
9k 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 ...
19
votes
6answers
11k 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 ...
19
votes
4answers
4k views

Restricting Command+tab options to only apps that are in the current space

Edit: The original accepted answer is no longer valid for Mavericks. I am keeping it accepted for historical reasons, but all readers using Mavericks should use and up-vote this answer. By ...
19
votes
4answers
10k 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 ...
19
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2answers
10k views

How to get the smaller tabs back in Safari 6?

In Safari 6, tabs became very wide. I don’t like this new behavior. Is there a way to get the old, smaller tabs back?
18
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16answers
3k 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 ...