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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24
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1answer
20k views

OSX keeps switching to the first space

I use spaces with 10.9. I run a few applications in full screen mode. While focused on an application in full screen mode every minute or so I switched back to the first space. This happens with no ...
14
votes
6answers
25k 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 ...
17
votes
2answers
7k views

Can you make OSX mount just certain partitions when you connect an external HDD?

I have an external HDD with 4 partitions. My question is the following: is there a way of telling the OS to mount just two of them (One FAT and one HFS+) when I connect the HDD? It is rather annoying ...
17
votes
10answers
51k views

Is there a way to password protect individual apps?

Is it possible to password protect a specific Mac application? For example, I am interested in protecting Mail because even if you cannot retrieve new emails, you still can read all the already ...
3
votes
1answer
3k views

iTunes: Moving iTunes Files (Self Managed)

I'm trying to move all my music to another drive and I don't let iTunes organize my music for me. I moved the "iTunes" folder to my external and I also moved my Music folder which is also outside of ...
136
votes
6answers
46k views

Remap “Home” and “End” to beginning and end of line

Most of my computing time is spent in Linux (with occasional time in Windows). On these platforms the Home and End keys universally jump to the beginning or end of the current line. I am gradually ...
121
votes
4answers
179k views

How can I create a symbolic link in Terminal?

What command is used to create a symbolic link/soft link?
54
votes
16answers
45k views

How do you maximize windows?

Unlike Windows, you cannot maximize a window in Mac with a click of the button. The little green (+) button next to the red and yellow buttons at the left of the windows does some strange stuff ...
32
votes
5answers
66k views

Fastest and safest way to copy massive data from one external drive to another

I need to be able to copy about 2TB of data from an external drive (single USB external disk) to a another external drive (Drobo attached via Firewire). Finder is not an option. If it hits any ...
40
votes
13answers
44k views

Why would I disable swap file in Mac OS X?

I came across a thread about installing an SSD drive in MacBook Pro. Someone in the comments also recommended to disable the swap file but didn't say why: sudo launchctl unload -w ...
26
votes
4answers
33k views

Do MacBooks have a true “Hibernate” option?

I've recently switched from Windows to a MacBook pro. In Windows, there are the following shutdown options: Standby - the machine goes into a "light sleep" from which it can awaken very quickly ...
25
votes
4answers
14k 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 ...
47
votes
6answers
7k views

Do Macs need to be defragmented?

I don't see any application to defragment my Mac (running OS X). Is defragmenting not necessary for Mac OS X? If so, why not?
12
votes
2answers
14k views

How do you get system diagnostic files from OS X?

I am trying to debug a crashed (or hanging) app. How do I get the diagnostic files from the crash?
31
votes
4answers
25k 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 ...
21
votes
7answers
20k views

How do I make windows save their position on screen after re-attaching a display?

When I attach a second monitor to my MacBook, I drag many windows onto it. When I detach the monitor, all the windows move back onto my MacBook's display. How can I make it so that when I re-attach ...
9
votes
1answer
2k views

AirDrop on Unsupported Macs?

One of the Lion features I would really like to use is AirDrop. It would make transferring files so much faster than using a flash drive. Unfortunately, my Mac is a 2007 Black MacBook, and AirDrop is ...
3
votes
2answers
2k views

How do I install Windows 10 on MacBookPro5,1, with no optical drive (SSD+HDD)

I have a huge problem. I am not able to install Windows 10 on my late 2008 MacBook Pro with bootcamp. I have replaced the optical drive as it was not working with a 1 TB HDD and i have a SSD drive ...
18
votes
3answers
14k views

Is there a user font for San Francisco in El Capitan?

I thought the new Apple font was called San Francisco, but I cannot find it in the font list of the Keynote.app for my Mac. Is it called another way or it is not available for Keynote? I am currently ...
1
vote
1answer
659 views

What is an efficient way for developers / power users to use OSX window management and Spaces on a single screen?

This may be a strange question. Background: I usually work in a multiple monitor setup, where I can plaster the screen with all my windows so nothing I might need to switch to is ever hidden from ...
50
votes
9answers
16k 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 ...
82
votes
13answers
86k 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 ...
46
votes
8answers
18k views

Can I make a DIY Fusion Drive?

I have a Mac Mini with two drives: a 256GB SSD and a 500GB HDD. From what I've read, the new Fusion Drive does all of it's magic in software, using the Core Storage APIs. Can I get my setup to ...
54
votes
8answers
96k views

Where does the Mac store account pictures?

I took a picture to add to my account on Mac. Now I want to use it on messenger, but I can't find it. On the account config, it's too small. I need to find the original. Where are the accout ...
18
votes
8answers
26k views

Do you know a simple sound booster app for Mac?

Some videos on websites have the sound volume so low that even with all sound settings at maximum levels it's hard to listen. I'm looking for an app that would allow me to boost the Mac's volume. ...
12
votes
6answers
17k views

Unsaved Files in OS X Lion

Where do unsaved files go in Lion? I quit TextEdit without saving since I had no intention of saving, but with autosave the file still got save somewhere since when I reopen TextEdit the file I was ...
23
votes
2answers
8k views

How to show hidden files and folders in finder?

I have a folder that starts with a dot . but unable to display them in Finder. How can I say that for folder X Finder should also display hidden files/folders?
14
votes
0answers
30k views

Reclaim Delete freespace Partition after Yosemite removal [closed]

Many of you face the same issue , that you install Yosemite in a second partition and once you decided to remove Yosemite and go back to Mavericks, you are not able to claim the Freespace partition in ...
28
votes
8answers
17k 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 ...
22
votes
6answers
6k views

QuickLook blanks when displaying some images

When using QuickLook to quickly look through multiple images (pressing space and then using the arrow keys to navigate), some images will not get displayed by QuickLook when hitting them up a second ...
19
votes
12answers
22k views

What is an quick way to create a new blank file in Lion?

In Windows, one can create a new file using Right Click -> Add New -> Type of File. Is there an analogous action in Lion? I just want to create a new blank file on my Desktop.
12
votes
1answer
3k views

Why does the version of Java verified by Oracle differ from the version shown at the command line?

Questions Why do versions differ? Should we trust Oracle's verification routine? In some cases, the version verified by Oracle is different from the version shown at the command line. Example ...
17
votes
9answers
11k views

Can I manually limit the %CPU used by a process?

I would like to limit the amount of CPU time dedicated to certain processes (e.g. Firefox, Safari, ...). I can't understand why such programs, even when not used (nothing loading, no animations, ...
15
votes
3answers
17k views

How can I tell if my Mac is keeping the clock updated properly?

I would like to know what the default settings for OS X are in terms of keeping the clock adjusted when I enable automatic time sync in the Date & Time preference. I do know that the venerable ...
6
votes
6answers
34k views

How Should I Correct the Owners and Permissions in an OS X User Folder?

My issue is that I've seriously busted all of the owners and permissions on my user folder and subfolders and it's causing lots of issues using lots of applications. The initial cause was that I had ...
14
votes
5answers
7k views

How can I opt out of updates for one app when using the App Store?

I have an app that has been radically changed (Skitch) and I'd prefer to not see any of the updates that the developer has made available to that app on the App Store. I'm lazy and like to use the ...
13
votes
2answers
40k views

Where are photos stored in the new Photos app after importing from Aperture?

I have just upgraded OS X and opened the new Photos app to import my Aperture library. Everything went well (Photos work fine) but I am surprised to see that I didn't loose 100Gb free space on my HDD. ...
10
votes
4answers
990 views

How do I change the location of screen captures?

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 ...
3
votes
4answers
1k views

What techniques for disk, volume and file system management are possible with OS X, but troublesome within Disk Utility?

In the past, Disk Utility was the best starting point for the vast majority of disk-related tasks. As technologies within (or possible with) OS X have developed – without equal development of Disk ...
9
votes
4answers
4k views

How to launch a GUI application in another user's graphical session?

I'm trying to figure out how to launch a GUI application as another user that's logged in interactively, in that user's graphical session. For example, say I have two users, foo and bar. Both are ...
7
votes
3answers
6k views

Can I change some but not all Apple keyboard function keys (dim vs F1, bright vs F2)?

I want to override F1 and F2 behavior, since I have external display and Mac can't control display's brightness. The rest of the keys should retain their non Fx I know about "Use all F1-F12 keys as ...
2
votes
3answers
350 views

Any recommendations for a before&after software installation scanner/uninstaller?

I'm trying to decide on an uninstaller that does before and after system scans. So far, I've come across these three: CleanApp (syniumsoftware.com/cleanapp/) - which I saw someone recommend in this ...
51
votes
36answers
15k views

What are your favorite Mac OS X keyboard shortcuts?

What are your favorite keyboard shortcuts on Mac OS X?
202
votes
7answers
102k 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 ...
14
votes
4answers
24k views

Why is my Macbook Pro getting so slow?

On my MacBook Pro (Year 2009) it takes a long time until I'm logged in or until when a program is started. From day to dayit's getting slower. Programs like Safari or Word or MonoDevelop take up to 2 ...
12
votes
4answers
27k 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 ...
40
votes
3answers
24k views

What's the difference between Real, Virtual, Shared, and Private Memory?

The different columns in Activity Monitor are a little confusing
43
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2answers
70k views

Why doesn't Mac OS X 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 ...
29
votes
15answers
21k 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 ...
23
votes
4answers
24k 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 ...