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.

learn more… | top users | synonyms (3)

36
votes
4answers
57k 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 ...
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 ...
28
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
12k 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 ...
10
votes
3answers
15k views

Reset your PATH variable

I stuffed up (basically wiped) my PATH variable. Is there any way to reset it to the default? I look at How do I reset the $PATH variable on Mac OS X?, but I find it very confusing. As far as I ...
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 ...
25
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 ...
25
votes
1answer
21k 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 ...
17
votes
7answers
68k 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 ...
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?
7
votes
5answers
14k views

Remount drive without physically disconnecting?

So I have unmounted a usb external hard drive but I went to re-mount it. Is there a command that I can use to remount the drive? Only way I know to re-mount a drive is to disconnect the usb cable ...
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 ...
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 ...
19
votes
12answers
23k 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.
6
votes
3answers
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 ...
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)"" (...
6
votes
2answers
3k views

Icons remains the same after I have changed the default program for opening the file

I have just uninstalled a program from my new mac. The program was making itself default to open all .r files. I installed a new program, and I maked it default for opening .r files, but the old icon ...
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 ...
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 ...
8
votes
2answers
3k 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 ...
4
votes
1answer
12k 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 ...
8
votes
1answer
6k views

Is it possible to have per-app network/vpn/proxy settings

I have a few different applications on my Mac that ideally I would like to run with different network settings. One app for work I need to run over my work VPN, but at the same time, I have another ...
5
votes
2answers
10k views

Can I copy (myself) an app purchased through the Mac App Store to another of my licensed computers?

I have some applications purchased through the Mac App Store, and I have two Macs. Presently, if I buy an application on my Mac mini, I just go and launch the App Store on my MacBook Air, and then ...
3
votes
2answers
1k views

OS X is repeatedly asking for login keychain password

I know this has been asked here several times, but I already checked the other discussions and tried their suggestions, but without success. Is there anything I can do instead of re-installing the ...
6
votes
1answer
938 views

Keyboard shortcut for jumping directly to a specific input method

I'm leaning Japanese, and so I have my Mac set up for three different input methods: English, and two different Japanese character sets. I can change between the three input methods using ctrl-alt-...
5
votes
1answer
73k views

How can I change the length of photos in iMovie '13?

I'm trying to make a simple iMovie time lapse video and it's my first time trying to iMovie '13. I have photos that I would like to change the duration of, only when I click the info icon there's just ...
4
votes
2answers
4k 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 ...
3
votes
2answers
5k views

Finder Reports Disk is Full, Other Tools Don't Account for it

I looked at some of the other Q&A here and didn't see a duplicate of this one (e.g., How can I figure out what's slowly eating my HD space? and other linked and related questions). Finder reports ...
3
votes
3answers
872 views

Unable to increase partition size with subsequent blocking partition

I can't make my main Macintosh HD partition bigger. It's limited by the partition in the middle, which seems to be frozen, I can't move it down to make space for my main partition. Also I can't seem ...
3
votes
2answers
11k views

Is there a limit for the attachment size in Messages?

I'm trying to send a 36 MB .mp4 video via Messages, but I'm not exactly sure if it's working. After sending the file, the CPU usage of the processes VTDecoderXPCService and IMTranscoderAgent goes up ...
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
7k views

Cancelled wireless Migration Assistant… best way to start over? [duplicate]

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 ...
66
votes
6answers
61k views

How to turn off all animations on OS X

Is it possible to turn off all animations on OS X?
83
votes
2answers
14k views

What functionality do 'marks' offer in the El Capitan Terminal?

Since upgrading to OS X El Capitan, I've noticed a change in the Terminal: Executed lines show an opening bracket on the left, and a closing bracket on the right, as shown in this screenshot: ...
76
votes
31answers
188k views

Can anyone recommend an app for creating flowcharts and diagrams?

I'm seeking a Mac app for creating basic flowcharts and similar diagrams. Google has been no help; I've followed dozens of links to apps that either don't exist anymore, I can't find any real ...
29
votes
4answers
51k 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?
57
votes
9answers
43k 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, ...
59
votes
10answers
133k views

What's a good graphical SFTP utility for OS X?

I need a small graphical utility, using which I can ssh to a server and see all the files and copy and paste (drag and drop) into my local machine. I am running Snow Leopard.
27
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 ...
44
votes
4answers
259k 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 ...
35
votes
7answers
18k views

Bluetooth Issues after Sleep in OS X Yosemite (10.10)

I seem to be having persistent issues with Bluetooth connectivity, especially after waking up my Macbook Pro from a long sleep. I have a speaker that automatically turns off after a certain period ...
21
votes
3answers
22k 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 ...
14
votes
4answers
66k views

How can I reset a Mac's password from Single User Mode?

My sister bought a used MacBook about 6 months ago and she has lost her password. Here is the procedure I tried to use to reset the password: Boot into single user mode (press Command-S at power on)...
43
votes
14answers
95k views

What's a good Windows RDP client for Mac?

I administer a number of Windows machines, and am trying to find a really good application to remote desktop in to them from my Mac. I've tried CoRD, and I really like its library approach to saved ...
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 ...
45
votes
8answers
37k views

Replace Text Edit as the default text editor

I've seen questions like this which don't quite solve my problem. I'd like to make Sublime Text 3 the default file viewer/editor for all files that currently use textedit. Most of these files can be ...
32
votes
10answers
140k 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?