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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Why doesn't the 'rm' command dump file in Trash?

Using the rm 'filename' command, i have noticed that the file isn't actually deposited into the trash. I realise that this isn't completely removing the file from the computer, however im perplexed as ...
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2008 MacBook Air Can't Boot OS X Snow Leopard USB Install Drive

I have a 2008 MacBook Air (MB003LL/A / MacBookAir1,1 / A1237 / 2142), and I am trying to reformat it with OS X 10.6 Snow Leopard, using the retail install DVD image snowleopard_10a432_userdvd.dmg ...
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59 views

How to use the flag -p of BSD split?

Manual -p pattern The file is split whenever an input line matches pattern, which is interpreted as an extended regular expression. The matching line will be the first ...
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2answers
23 views

Remove all files in folder apart from one using OS X Terminal

I would like to remove the whole content of a folder, apart from one file. The problem is can't copy the file to another folder and then back to the first folder, because then the application doesn't ...
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18 views

OS X - 'Clickable' script to erase files?

I use Latex to write my documents. Latex creates MANY auxiliary files to compile a document. I often times want to clean my working directory. When I was working on Windows, I used to keep a .bat ...
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17 views

Mavericks Hackintosh internet available in chrome only [on hold]

After my vacation I returned to my hackintosh and suddenly noticed that internet browsing is available only in Chrome browser. Other apps can't connect, how can I fix that issue? I can't even ping ...
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21 views

copy folders to user library using Terminal on OS X

I would like to copy a folder to the user library using the OS X Terminal. The command line I use is cp -r. The problem is that the command runs, but it doesn't copy the folder and it returns no ...
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8 views

Unable to use gpt to restore efi partition

I accidentally deleted my efi partition, which I now know is bad news bears. I found a guide here to restore it without losing data, but even though I'm booting from usb and have unmounted all ...
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17 views

How can I fix constantly resetting HD 4000 GPU?

Problem: My MacBook Pro started showing graphic issues. For a little bit more than two years the system was running without any major issues, but now it is almost unusable. Last month a few of those ...
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1answer
13 views

Pdf viewer in Mac with `fit content'

I am desperately looking for a Pdf viewer which can show the pdf without any margins, that would help me a lot in viewing two pdfs simultaneously. Thanks.
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13 views

Amazon Music app won't launch

Recently bought a new Macbook Pro to replace an older Air. Everything is working great except for the Amazon Music app. It downloads and installs just fine, but when I try to launch it using ...
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23 views

Can't get launchd task to run

I've done this once and I'm trying to do it on a new computer and I can't see what I'm doing wrong. I have a ruby script in my user folder named forecast.rb. I have set it to executable (a+x). It ...
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13 views

Disk structure error reported in Onyx but not fixable via the Disk Utility in Recovery Mode

On Yosemite 10.10 Onyx returns the following error: Error: -69845: File system verify or repair failed Underlying error: 8: POSIX reports: Exec format error The disk needs to be repaired. I ...
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1answer
12 views

Removing MacCleanse Helper

While looking at the activity monitor it occurred to me that I've a Mac Cleanse Helper process visible in the Energy tab. I might have installed this program in past but I got rid of it. How can I ...
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15 views

Is there an app for OS X to measure noise pollution?

I want the light app to run in background and record only RMS loudness level from a microphone over a long time (days and weeks), to get statistics about loudness levels around me (so I can use this ...
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87 views

What is a good style for documenting OS X hotkeys on web with markdown?

I often need to give instructions on using OS X hotkeys in documentation. I write it in markdown, usually on GitHub pages and sometimes on StackExchange. The keys are formatted with ...
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13 views

Open a file:/// url with #anchor

I've been trying to open a file:/// url e.g. open "file:///Users/me/index.html#my-anchor" Or open -a Safari "file:///Users/me/index.html#my-anchor" Or open -a Google\ Chrome ...
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17 views

Prohibitory sign on Mac startup running Yosemite

I used disk utility today on my MacBook Pro running Yosemite to create a bootable USB. I don't recall touching the hard drive of my MacBook Pro at all. After I finished the process, I went onto Google ...
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11 views

To get newer man pages in OSX?

I noticed that my manuals are very old in my system although all updates done. Etc man cmp tells about the flag -l -l --verbose Output byte numbers and values of all differing bytes. ...
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15 views

To install Pandoc's manuals

I run cabal install pandoc pandoc-citeproc as described in the manual. I get nothing from man pandoc. Pandoc exists in brew but I would like to know how you get pandoc by manuals too. I would like ...
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20 views

Where are stored C “object” and “executable” files in Xcode?

Platform: OS X: Yosemite 10.10.4; Xcode: v6.4 (6E35b); MacbookPro 15" Retina (mid-2015). Fact: As C compiler and linker (upon standard) create .o and executable file(s) Questions: Where (please ...
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2answers
81 views

iBook G4 won't boot

Mac iBook G4 won't boot. When I hold down the Option key as it is booting, a blue screen appears. In the center of the screen is my hard drive icon with an x in the lower right hand corner. On the ...
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1answer
18 views

How can I read/write to several hard drives created on windows 7,8 from OS X

My PC's hard drive - running w8.1- crashed. Bought a mac mini and now trying to retrieve files from crashed disk (and others). All drives have read only permissions, with no locks showing in the get ...
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126 views

Very high kernel_task CPU usage after updating to Yosemite 10.10.4

I updated to 10.10.4 on July 1, and ever since I've had very high CPU usage - roughly 270%, i.e. two and a half of four processors - by kernel_task. It appears on login for about five minutes, then ...
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26 views

10.10.4; get current wallpaper location

When wallpaper settings are set to change every hour (or whatever time period) and is set to random order, it appears to be impossible to report the get, as a string, the location of the current ...
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15 views

8 A Letters in Boxes next to OS X Logo in Overview Panel [duplicate]

When I opened Mac OS X overview panel to check out how much storage I have left, I saw this strange thing. It doesn't affect the performance by any means, but it is not aesthetically pleasing. How can ...
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29 views

AppleScript: 'exists' returns true every time

On every exists in AppleScript the result is true. For example: set a to (POSIX path of (((path to home folder from user domain) as text) & "skfhshfkh:" & "hfjhsfhsj:")) if exists a then ...
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5 views

Setting default directory for home dir creations with OpenDirectory & Active Directory 10.9

I have a Mac server running 10.9 and some workstations running 10.9 too. I set up some users in AD to authenticate. It works well but I would like that at the first time they login on the workstation, ...
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1answer
38 views

How can I stop the App Store asking for a password in OSX?

I want to update some apps downloaded through the App Store in OSX (not iOS). Is there a way to allow OSX to do this without insisting for a password every time? In iOS you are able to disable the ...
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10 views

Can I select which iCloud Drive files/folders are kept local?

Can I select which iCloud Drive files/folders are kept only in the cloud and which are kept on my devices AND in the cloud?
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2answers
158 views

How to resolve: files which are visible in Terminal, but invisible in the Finder?

In Yosemite v10.10.3, I am trying to reinstall Skype, as it does not sign-in at all, following this link. In order to do so, I need to move some files and folders to trash as to totally uninstall ...
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25 views

MacBook running OS X 10.10.3 keeps crashing

My MacBook keeps crashing and restarting randomly. There does not appear to be a specific app that makes it crash. Panic Report panic(cpu 1 caller 0xffffff7f8f09bbdb): "GPU Panic: [<None>] 5 3 ...
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8 views

Mail.app create group from mail distribution list

I have a follow-on question from this one I have a message that I've sent to ~20 people. Is there a way to take that list of people and make a contact group from them? Thanks!
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OS X Calendar extremely slow

My calendar app has become super slow (possibly after the OS X 10.10.4 upgrade). Every action, like clicking on a calendar item or scrolling to the next week, will result in approximately 60 seconds ...
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37 views

Application not running, but dock thinks it is, so i can't quit/open it

This has happened to multiple applications so far, i'm not sure what causes it, but it seems to happen after force quitting (sometimes). First, you force quit it, and it does, but the dock shows that ...
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1answer
19 views

Where iTunes stores my playlists and ratings

I am wondering where iTunes keeps all my playlists? Locally on my computer or in the iCloud? I have created the new playlist on my Mac and I can see it on iPhone (without connecting it to MAC), so it ...
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1answer
53 views

Problem moving application from DMG file

I downloaded vlc-2.2.1.dmg to my computer and it opens ok. When I try to copy the app to the Application folder I get this error message. When I try to open VLC from the DMG file it runs fine. I ...
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1answer
17 views

Overlaying/combining screenshots

I have sets of MacBook screenshots with essentially one changing element that I want to combine/overlay on top of one another to create ONE image (not combine into one PDF with multiple pages or ...
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1answer
127 views

iTunes 12.2 broke the shared library feature from Mac to Windows

My music is stored on my iMac, and I also have a PC with windows that I use for video games, I leave iTunes opened on my iMac when I'm on my PC so that I can listen to songs while gaming. Here's my ...
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23 views

Full-Screen Auto-Location Change in OS X 10.10

I'm using a MacBook Pro with Retina, currently at OS X 10.10.3. I use it for both personal and work related matters, more often than not, at the same time. As such, I have 6 desktops ready to go at ...
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1answer
50 views

iPhone Personal Hotspot via USB stopped working after OS X 10.10.4 update

I installed OS X 10.10.4 and right at the end of the process, my iPhone (which was plugged in to the Mac via USB with a Personal Hotspot connection) vibrated as if the USB cable had been reconnected, ...
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2answers
90 views

OSX: How to compare and merge two folders of the same origin

I'm among those unlucky few (I'm hoping there are more than one) that are stuck with truly utterly messy backups from multiple machines. I've now managed to figure out that I've got one folder with ...
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1answer
11 views

Folder created in Photoshop not showing up in finder

This is really crazy issue i'm experiencing here: I downloaded the newest Photoshop CC 2015 and started working with it to crop some images for a client. After that, i've saved all the images for the ...
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1answer
13 views

System Formatter Failed While Erasing External Hard Drive Mac

I have been trying to erase my external Hard Drive "My Passport", however there was a problem and then the Hard Drive disappeared from the Desktop and could't be found. Only Disk Utility would see it ...
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2answers
41 views

Could not determine GDB version using command: sudo /usr/local/bin/gdb --version

Eclipse (Mars) version (C programming language): Eclipse IDE for C/C++ Developers eclipse.buildId=4.5.0.I20150603-2000 MacOS version: OS X Yosemite 10.10.3 HW: MacbookPro 15" (mid-2015) Retina ...
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A problem while making a bootable usb [on hold]

I was making a bootable usb of windows 10 using bootcamp and it crashed. Now I tried to format my usb to try again but it said: "Unable to begin erase operation: The target disk is too small for this ...
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Emails gone after cancelling archiving process

I've tried to move all my archived emails to a new account in Mail for OS X 10.10.4, Yosemite. During the process I got this error: The process failed due to storage limitations. Over 5000 ...
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21 views

Enable Web Inspector in Safari v 8.0 in Yosemite OS

I'm trying to show/hide the web inspector tool in mac os "Yosemite" using bash script, I used the following command in terminal but it didn't work even after I restarted Safari, so am I doing ...
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108 views

Beats One turns off Airplay?

Anyone experiences the problem when swapping to the Radio (iTunes OSX), the Airplay function is switched off? Any fix? You can use Airplay when you set your "Output Device" to Airplay. But its a ...
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Browsers: What does Command+Click really do?

In Chrome, Safari & Firefox on OS X, you can open links in new tabs via holding ⌘ while clicking, however it is not strictly equivalent to right click -> Open in New Tab. Take the links in this ...