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.

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Can I safely remove /usr/bin/java from Mountain Lion 10.8.2?

If I do so, will something, such as a service, break?
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Are there any global key combinations suitable or specifically reserved on OS X for user assignment?

I'm trying to identify an appropriate global hotkey to set in iTerm2's preferences for showing/hiding it: I'd like to avoid any conflicts with other applications' hotkeys or other future use. Are ...
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1answer
1k views

Time Machine wiped my external drive despite pressing “Don't Use”

I have an external hard drive(formatted as FAT32) that has been in use on/off for years. I even had backups on it (not using time machine). I mounted this hard drive, it was taking a while to mount. A ...
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After typing sudo I can no longer autocomplete commands by pressing Tab

In a Terminal, if I type beginning of any command by pressing tab I can see the rest of that command. However this feature does not work with any words I type after sudo. How can I complete command ...
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1answer
57 views

How to change some information in a shell prompt.

I opened my terminal and saw a shell prompt. Last login: Fri Feb 15 15:28:16 on ttys000 john:~ voloda2$ How do I change john to alex?
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2answers
7k views

Show hidden files when searching in finder

I can see hidden files in Finder but when I search it doesn't find hidden files. I have tried everything. defaults write com.apple.finder AppleShowAllFiles TRUE killall Finder I also change "File ...
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3answers
741 views

How to decode a .chm file?

I'd like to extract content of old .chm file into individual html files. Is there an app or command line tool for this?
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3answers
3k views

A popover shown from the Spotlight menu is stuck on the screen

How do I get rid of it? It doesn't show up on task manager. It isn't dead, it responds to the mouse wheel and scrolls up and down. Screen shot below...
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2answers
447 views

Configuring predictable IPv6 addresses for laptop client

I recently set up IPv6 for my home network via a tunnel. I have a /48 subnet and have assigned manual IPv6 addresses to my stationary Macs. I would like to set up my laptops to get a dynamic IPv6 ...
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526 views

Rsync not working properly as expected on OS X

I'm using rsync on my iMac to backup folders to a remote NAS box. On my NAS box, I have a folder called Backup, and my rsync script should backup to this folder, an example is below: sudo rsync -av --...
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1answer
201 views

What is installed with Java 7?

Inspired by this question on Stackoverflow, I noticed that my Java control panel reports that I have the latest version of Java installed (and I know that, because Safari is not blocking the plugin ...
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1answer
167 views

What are the “~orig” files in OS X?

In the /etc folder of my system (OS X 10.8.2) I see a bunch of files named with the "~orig" suffix (e.g hosts~orig, passwd~orig, etc). What are these?
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3answers
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Trackpad working poorly on Macbook, why?

I have a Macbook 2007. It has worked very well until now, the trackpad does not respond at all, it simply stopped working. How can I debug this?
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1answer
70 views

Formatting OSX partition

I have a Macbook Pro with 3 partitions: HFS (OSX) FAT (Ubuntu) NTFS (Windows 7) and I want to format only the OSX partition and do a clean install without touching the other operating system ...
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57 views

Some USB devices work, some don't on Macbook

Some older USB devices such as flash drives or mice work on my Macbook 2007 model, but newer ones are not recognized. Any ideas about the diagnosis and the cure?
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2answers
542 views

AppleScript: Open a new window in current space without switching to active window in another space

I want to have an application open a new window in the current space without switching to a space in which a window is already open, but I want to keep the When switching to an application, switch ...
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0answers
102 views

Setting the config for PHP 5.3.15 and above

I have PHP 5.3.15 running on my Mac (OS 10.8.2). I have Apache running with virtual hosts. Also, I've installed FreeTDS for connecting to MSSQL. I still need to configure the /php/ext/mssql to run ...
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1answer
283 views

Is there an easier keyboard shortcut for taking a screenshot on OSX 10.5?

I'm running OSX 10.5 and was wondering if there is an easier way to make screenshots which save to clipboard? I know I can use: CMD+CTRL+SHIFT+4 However this is hard on the fingers.
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2answers
924 views

What version of Silverlight works with the latest 10.7 release?

Can you install Microsoft Silverlight from microsoft.com and are you able to open the Preferences without it crashing? I'm trying to isolate this problem, and it could be a Mac problem, or a ...
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921 views

How to monitor logins to Screen Sharing and SSH?

Not trusting anyone, not even my own firewalls and other measures against invasive hackers, I like to be able to monitor any successful login to my OS X systems (e.g. by instantly sending an email to ...
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OSX - How to find out which process eats up memory?

My MacBook Pro has 8G RAM. Recently memory leak offen happened. Page outs and swap used kept increasing. The last time it used ~8G swap space. But in Activity Monitor, I can't find any process has a ...
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46 views

Is there a way to display an on-screen alert like the volume control feedback?

I am building some home theater integration, using my Mac Mini as a central hub. I have figured out how to use the HTTP or raw TCP/TP commands on my home theater equipment to turn them on, off, volume ...
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1answer
782 views

Execute a custom script when OS X 10.8 is in Power nap?

Apple new feature of OS X 10.8 in new Macs "Power Nap" checks email and does make backups. Is it possible to execute a custom script (bash, AppleScript,...) when OS X 10.8 is in Power nap mode? For ...
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2answers
680 views

Custom Scheduling of Time Machine backups

How can I customize the schedule at which Time Machine performs its backups? I am annoyed by looking at the number of times I see the Time Machine backing up several MBs every hour and then the ...
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1answer
1k views

TextEdit Crashes on New Document (SIGSEGV)

I can't even create a new text document in TextEdit, though I can open any existing one. Whenever I click "New Document", I get the following crash report: Process: TextEdit [23534] Path: ...
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2answers
11k views

While my MacBook sleeps, the network drops off?

I have just moved over to a Macbook Pro from my old Macbook. Thanks to the Migration Assistant, it was an easy task, but I am now having an annoying issue: I have both computers on with all the same ...
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4answers
601 views

Where can I find the Mountain Lion (Notification Center) notification sound?

I've been searching around for the little sound (the default one) when a notification is presented (on Mountain Lion Notification Center) but I can't find it. Example: http://d.pr/a/P5xo (sound ...
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1answer
33 views

How do I enable the visual menu when changing language inputs?

I saw this enabled on my friends Lion MBA, but I couldn't find a way to enable it on my Mountian Lion MBP. Anyone have any ideas?
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1answer
83 views

Destination of merged PDFs in Automator?

Where can I find the PDF merged by the automator?
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1answer
446 views

Why does text appear blurry when zooming in Safari until you release your fingers from the trackpad?

This has been bothering me for a while. When you zoom in Safari (Mac) using the pinch gesture, the text is only anti-aliased after finishing the gesture, not in realtime. Why not?
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1answer
1k views

Why are the alias so big in filesize in Mountain Lion?

I noticed the alias(es) that I create in Mountain Lion are very big in filesize (for example an alias to a folder is 5.8MB!) Compared to Leopard, they were just about 500KB. Why is this? and is ...
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1answer
312 views

Problems running Britannica 2013 in OS X 10.8

I recently installed the Encyclopædia Britannica 2013 Ultimate DVD in my Mac running OS X 10.8.2 Mountain Lion. In the box is stated that only 10.6 - 10.7 versions are supported, and indeed I've run ...
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1answer
362 views

Mouse sensitivity is set to zero on game startup

I'm currently using a Macbook Pro and wanted to play a game and came up with Warsow. I downloaded it, dropped the app in my applications folder (is it even called folder on Macs?^^). As soon as I ...
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572 views

Time machine out of space / Merging time machine backup

I have a 15 inch Mac Book Pro that is my main machine. At some point, in the second half of 2011 I purchased a 750GB external hard drive to configure Time Machine on my laptop. This is my main method ...
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1answer
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OSX ML Terminal - Switching tabs

I am a terminal junkie and use it all the time...literally. Is there any way to be able to switch between tabs with Command+Number (eg. Command+1 for tab 1). Yes, I know about iTerm, I'm just ...
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395 views

How can I map the F4 key's default functionality to trigger a key sequence rather than open Launchpad? (Mountain Lion)

I will use the touchpad gesture to open Launchpad. I don't use Launchpad much. I'd like to map the F4-key (which opens Launchpad) to send the Keystroke Command + Ctrl + Shift + 4 so I can use the OSX ...
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1answer
10k views

How to create ISO from Application Bundle

I have Mac OS X Mountain Lion as Application Bundle file. Burning the application to a disk is just like a data disk compilation on Nero. How do I convert this application bundle into ISO image so ...
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974 views

Why does free + active + inactive + speculative + wired not equal total RAM?

When I run vm_stat on my 10.6.8 MacBook Pro with 2 GB of RAM I get the following: Mach Virtual Memory Statistics: (page size of 4096 bytes) Pages free: 90518. Pages active: ...
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3answers
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Keystrokes getting eaten randomly

I have a weird problem on my 2011 MacBook Pro 15" running OS X 10.8.2. Every now and then - say every two days - the system starts to ignore most of the keys I press for 2-3 minutes. It's like ...
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3answers
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How do I take screen shots on DVD movies and protected content?

I saw this awesome movie that I watched on DVD and wanted to take a screen shot of it, but when I did, it was transparent. I could only see my desktop taken but not the movie. Is there a specific ...
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1answer
1k views

How can one user be faster than the other?

On our 10.6.8 Mac Mini Late 2009 Edition, we have 4 users, 3 of which are in regular use. One is mine, let's call it 'a'. The second one is someone else's, let's call it 'b'. The third one we both use,...
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1answer
177 views

Every time I wake my Macbook it switches applications after wake. How do I fix this?

Whenever I close my MacBook, and then come back after it's been asleep, I'll open it, and it'll make a sound while it's waking the harddrive, which is normal. But then after that it'll switch the ...
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3answers
727 views

Non-recursive spotlight search?

When using the Spotlight search at the top right of a finder window, I often want the search to be non-recursive, i.e. only look at files in that specific directory, not any directories within it. Is ...
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2answers
10k views

How should I fix my Homebrew installation after upgrading OS X?

Context My employer gave me a MacBook Pro for development work; however, most of the development work I do in my research group is for Linux platforms, and for a host of policy reasons, I can't ...
2
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1answer
2k views

Can one influence Mac OS X's / Darwin's filesystem caching behaviour?

I have the following problem: When I run processes that consume a lot of memory, Mac OS X seems to refuse to release a large portion of the filesystem cache: In fact, instead of letting go of the ~ ...
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1answer
54 views

Terminal not logged in properly

I'm having a bit of an odd issue with my terminal. I'm used to the prompt being Joosts-Macbook:~ Joost$ or something of that nature, but all of a sudden it displays a number I don't recognise: ...
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1answer
107 views

What does “reveal” do from, e.g., the services menu?

"Reveal" seems to be an alternate action to "open" - except it just opens some random thing that I have no control over. For example, "revealing" a ruby file in the Finder opens Path Finder (the third ...
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2answers
134 views

How can I use one of the documents preview icon as the parent folder's icon in OS X?

I organize my e-books and the supporting files in each folder. Is there any easy way to assign the parent folder's icon as the preview of the PDF file?
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6k views

How created watched folder with Automator to auto import new files into itunes?

I was wondering if someone could help me with this. This what I'd like to do: File is downloaded into Folder A, it is automatically imported into itunes and then moved to folder B. This happens ...
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112 views

Get info: sizes displayed in MB first

One thing that I miss and would like to have back, is when I get info on one or more files, the size displayed first is not the MB rounded one, it is the size in bytes. The image below shows on the ...