The system used to format and organize files on a disk. This includes directory structure, permissions management, metadata, and more. The current default file system for the Mac OS is HFS+

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1k views

If I save files in iCloud, where are they “really”?

If I save files to iCloud in apps in Mountain Lion that support such saving, where on my drive can I find these files if I want to run command line utilities on them, edit them in other programs, etc? ...
3
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3answers
2k views

How exactly does the new Mountain Lion filesystem work?

I heard that the new filesystem only allows one level of folders. How does it work exactly ? Will my existing beautifully organized folder-tree be collapsed into one folder when I upgrade? As a ...
4
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3answers
3k views

Why isn't finder finding all files?

I had a Smart Search for my Photo Stream files located at ~/Library/Application Support/iLifeAssetManagement/assets/sub/, searching for JPG and PNG files. I found that not all files were showing up. ...
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1answer
1k views

What does this mean: “mds: (Warning) FMW: event:1 had an arg mismatch. ac:2 am:51”

mds: (Warning) FMW: event:1 had an arg mismatch. ac:2 am:51 This error shows up in my system.log file regularly. Searching on Google turns up few useful results. One search result points to ...
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1answer
348 views

Search all hidden .htaccess files inside a folder and run a terminal command?

Searching for the issue, I found this Q&A: How can I show only an .htaccess file in the Finder? [...] you could create a symlink to the file in its directory, omitting the dot in the name: ...
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3answers
8k views

Whenever I try to delete a file in Finder I get “Finder wants to make changes. Type your password to allow this.”

I can't figure out why Finder isn't letting me delete files under my home directory without providing my password. Here's a listing of some files on my desktop: ~/Desktop steve 526$ ls -l@ flower* ...
3
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1answer
676 views

How to delete leftover files from aborted migrations?

I recently got a new MacBook Air and used Migration Assistant (henceforth abbreviated as MA) to transfer my stuff from my old MacBook Pro. However, until MA actually worked all the way, I had to abort ...
0
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1answer
165 views

Filesystem check on startup

as Mac OS X in part is an *nix operating system. Will the filesystem of my computer be checked periodically? How to check when the next check will be triggered, if it is checked periodically? My ...
2
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1answer
304 views

How can I specify a smaller block size for a Ramdisk?

I use a ramdisk to speed up a git repository with a lot (> 60k) of small (~200 bytes) files. Is there a way to create a ramdisk with a smaller block size?
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4answers
32k views

Easiest way to browse iPhone filesystem

What method of browsing the root filesystem is least likely to make any modifications to it? Hooking to a pc is an option. Jailbreaking is not an option for this question.
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1answer
2k views

Where does iPhone save temp files? [closed]

I was doing a very important recording on the soundcloud iPhone app and it ran out of battery. When I charged it up soundcloud app doesn't have the recording anywhere. On the iPhone filesystem where ...
2
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3answers
4k views

Best file system for an external hard drive sharing between OS X and Windows

I would like to buy an external hard drive that I'll use on Mac OS X and on Windows, but I don't know the best file system for it (reading and writing on the both system). I know I can used FAT32 ...
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1answer
439 views

Can Disk Utility and Disk Warrior be used on a Fusion volume containing Mac OS X

I have Snow Leopard Server 10.6.8 running in a VMware Fusion 4.1.3 virtual machine. When I run a Disk Utility "Verify Disk" from within the VM, errors are reported. Invalid B-tree node size ...
8
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2answers
6k views

Can you reinstall OS X on a FileVault 2-encrypted drive?

I've been researching FileVault 2 to make sure that I understand it before I enable it on my Mac. While reading Macworld's Complete guide to FileVault 2 in Lion, I encountered an unexpected caveat ...
0
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0answers
180 views

Installing iOS SDK (Xcode) portably?

Is there any way to install the entire Xcode and iOS SDK developer suite on an external hard drive, and run it? When I open the .mpkg, I get " Xcode and iOS SDK can't be installed on this disk. You ...
1
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1answer
100 views

Installing gcc without admin?

Is there a place to install command line programs on OSX without an admin password? I've tried /bin and /usr/bin, and I have permission for neither. Like a ~/Applications, but for the command line.
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3answers
483 views

Unremovable directory

I have a problem with a seemingly unremovable directory/bundle. I moved Spotify.app from /Applications to the Trash and later tried to empty the Trash. The empty trash progress bar shows up but then ...
12
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3answers
5k views

Linus Torvalds and the OS X Filesystem

Back in 2008, Linus Torvalds famously said in an interview that "OS X in some ways is actually worse than Windows to program for. Their file system is complete and utter crap, which is scary." I've ...
7
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2answers
5k views

How do I rename a file in git that differs by case only?

In my git (Xcode) project, I committed a filename with improper case. Now I went to try to rename it, but when I commit, I get: fatal: Will not add file alias 'MyProject/MyFile.h' ...
2
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1answer
509 views

`open http://foo.com` and specify the chrome user which is to be used

Using the open command from terminal I would like to be able to specify the chrome the specific chrome user to open the url with? Local Chrome users are outlined here. Essentially I have a local ...
2
votes
3answers
171 views

New programs must be launched twice in 10.7.3?

I noticed recently that new programs (newly installed or downloaded) are not opening on first try on my MacBook Pro, or on my wife's MacBook. Both are running 10.7.3. On first launch, new programs ...
5
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3answers
2k views

Why is FAT16 limited to read-only with TrueCrypt on Snow Leopard?

I'm experiencing a problem with TrueCrypt. The problem is described elsewhere but not resolved for me. When attempting to mount encrypted containers, the following error is generated: hdiutil: ...
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2answers
3k views

Where are audio device files in OSX?

Probably because OSX uses different naming conventions for devices files and because OSX uses Core Audio audio subsystem (not ALSA or OSS) there are no devices such as: /dev/sdp /dev/audio /dev/mixer ...
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0answers
44 views

Setting user & group in a new installation (Mac)

Our product is an Audio Units that needs to be installed in /Library/Audio/Plug-Ins/Components/ In order to allow automatic updates, we need to create the Audio-Unit bundle (ourapp.component) with ...
10
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3answers
16k views

What are the advantages of formatting an external disk as journaled HFS+?

The application Disk Utility /Library/Utilites/Disk Utility.app which is part of the applications that ship with the Mac OS allows to reformat an external disk. Options include: Mac OS Extended ...
4
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3answers
896 views

How to confirm that a file has copied to a new disk without any errors?

I'd like to copy files from one external drive to a network connected drive. I want to make sure that there are no errors. I know of MD5 hash files that I see for large single files that are download ...
3
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4answers
1k views

What programs have trouble with case-sensitive (HFSX) filesystems, and how to fix them?

There are some programs that require a case-sensitive filesystem, and others that require case-insensitive. Even though Apple warns against using case sensitive file systems, in some situations it is ...
0
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1answer
66 views

Selectively control when Aperture/iPhoto opens

Both Aperture and iPhoto have a setting of whether to open "when a camera is connected." I want this option to be checked, but I don't want it to consider my iPad a camera. How can I enable it for ...
2
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1answer
97 views

What happens if you create another folder alongside the Contents folder in an application bundle?

I know the icons representing programs that end in .app are really a specially treated folder, and not a single file. And inside that folder, there is a folder called Contents, and in that folder lies ...
5
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2answers
2k views

How to change path in Finder by entering the path manually?

It seems that by default there is no way to enter a whole path in the Finder, so instead one should traverse through all the tree to get somewhere deep in the filesystem. Is there anyway to overcome ...
1
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1answer
600 views

Copy system bundle to a Mac on network?

I screwed up while using Monolingual and removed the "AppleKeyboardLayouts.bundle". Before I realized what happened, I logged out and now I can't type a password to log back in. I have tried to copy ...
7
votes
2answers
670 views

Move complete Lion installation to another physical drive

is there a way to completely move my OSX Lion to my new SSD without reinstalling? I came from Windows and Linux to OSX and i thought maybe it is possible to simply change the bootloader config after ...
2
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1answer
331 views

In Lion, the “Open File” dialog doesn't refresh until 30 to 60 seconds after the window appears

I'm running Lion (10.7.3). In any application, when I bring up the "Open File" dialog, it shows an outdated list of files — files I deleted hours ago still show up; files I recently created don't ...
2
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2answers
136 views

Open app in current directory when another app with the same name exists, from command line

I have an app name foo.app I want to open from command line (using open). My folder structure is like this: ~ +---bar +--- foo.app +---baz +--- foo.app I want to open the app located in ...
2
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2answers
244 views

How to investigate fragmentation of one file?

I'd like to see if one of my file is "all over the place", ie fragmented in little pieces at different locations on my hard drive. I'm not looking for a software like iDefrag but rather a command ...
5
votes
1answer
4k views

Is it safe to delete ~/Library/Caches/com.apple.iLifeSlideshow/Pictures?

I was just doing a quick audit of the files on my hard drive and noticed that ~/Library/Caches/com.apple.iLifeSlideshow/Pictures is taking up 1.57 GB on my machine! This leads to the following ...
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2answers
868 views

Can't delete copied Time Machine files

I'm trying to move my time machine backup files all under Backups.backupdb to another drive. I initiated a file copy overnight. In the morning I saw that only certain backups(folders with dates) got ...
3
votes
2answers
1k views

What folders should I be backing up? Are there any I should avoid?

I'm in the process of configuring a cloud backup for my OS X machine and am trying decide what folders to back up and whether there are any folders I should avoid. I have complete control, by ...
0
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1answer
231 views

How can I retrieve files cached in the RAM?

there are some applications that don't write cache files on the disk, instead they write into the RAM directly and thus you can't back it up, analyse it or do anything with it. How can I retrieve ...
0
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2answers
354 views

Recover a file after hitting “replace” in copy dialog?

Someone I know copied a file into a directory over another one and hit "replace" accidentally. Is there any way to recover the older version of the file on Mac OS X Leopard 10.5.8? EDIT: Time ...
6
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1answer
3k views

Excessive “Opening application for the first time” dialogs

I often get the dialog box warning me that I'm opening an application for the first time. But, it isn't the first time. Some of these are applications that I use daily. I seem to be getting more ...
8
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5answers
3k views

Why would you choose Alfred over Spotlight?

Mac OS X is already loaded with Apple Spotlight, why use Alfred? What does Alfred bring to the table that Spotlight doesn't?
6
votes
4answers
2k views

Simplest way to prevent iTunes from automatically launching when iPhone/iPad is connected

Everything is stated in the title. When I connect my iPad or iPhone iTunes automatically launches. What is the simplest way to prevent this from happening?
8
votes
3answers
2k views

How can I associate a file extension with a content type?

I have some files with extension "module" and "inc," which are PHP files. When I try to open them, the list of applications that can open them shows only the application I have set as default ...
3
votes
2answers
5k views

How can I use NTFS-3G installed using MacPorts?

After upgrading to Lion I'm having problem mounting NTFS drives in read/write mode. This is because NTFS-3G distributed by Tuxera does not work with Lion. At their suggestion I installed NTFS-3G ...
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2answers
150 views

How Can I Clear the Website Loaded on Startup?

On Mac OS Lion, apps seem to persist their state across launches. Generally, this is a good thing. However, I seem to have run into a problem. In Safari, I must have typed quickly and hit enter ...
2
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1answer
747 views

How do I mount a jailbroken iPhone as a volume in Lion?

In Snow Leopard I was using this utility (it uses MacFuse) to mount my iPhone as a volume upon its connection. Worked very well, and I could browse my jailbroken iPhone's files easily and drag/drop ...
1
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1answer
611 views

How can I use LaCie USB Key “Private Volumes” with 10.6.8/10.7?

Today I purchased a LaCie iamaKey v2. When I first ran the included 'La-Private' software, it urged me to install MacFUSE, so I did. After going through the steps, I tried to open my Private Volume, ...
2
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1answer
513 views

Can I Save Open Dialog Windows Size and Filesystem Location?

Sometimes I have to upload, attach, open, insert, multiple files into various programs and websites. Often I have to do many in a row. Every time I "Browse" to add a file, OSX or Finder takes me ...
2
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1answer
45 views

Can I enable file removal in the open window on OS X?

Can I enable file removal in the open window on OS X? The open or save dialogs do not allow you do do many opeations, like removing a file or renaming it. Is there any hidden defaults preference ...