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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Unable to recover files using The Sleuth Kit's tools on Mac OSX Mavericks

So I'm trying to learn The Sleuth Kit on different operating systems and file systems. I've previously successfully recovered files from NTFS (Win7) using TSK's tools. Now I'm trying the same on HFS+ ...
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1answer
452 views

Finder doesn't show newly created files anymore unless restarted

The title says it (I mean, when a new file is created in an other application). This started happening today, and I think this may be related to an error message which I got the first time in ...
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2answers
2k views

Can't move files to a folder in Finder

Did clean install of Yosemite. In Finder I can't move files to a folder. I must authenticate almost all move operations. After entering password the file is not moved, but copied instead. Apple is not ...
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1answer
266 views

File Open/Save dialog boxes hang infinitely

Today for the first time I have this issue where any app showing a file browser (load/save) dialog box hangs indefinitely until I kill it. The Finder works just fine however. I can browse everything, ...
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3answers
230 views

My Files are all classified as “Other”

In Finder, every single file on my disk is classified under the "Other" section. However, when I go to "about this Mac", it shows only a fraction of my disk is actually "Other". How do I fix this? ...
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32 views

Unable to convert NTFS to HFs

I am using Paragon software to convert NTFS to HFS. But it is telling me that there are no parttions or HD available, even though I have 100GB free space and 200 GB empty partitions.
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497 views

What file systems can work with OS X File Tags? (HFS+, ExFAT, NTFS, etc.)

What file systems can work with OS X File Tags? (HFS+, ExFAT, NTFS, etc.) I have an NTFS data drive in a Windows machine that I might move to an external hard drive enclosure, if I can use Tags with ...
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1answer
24 views

Do files lose their UTI when copied to another file system?

From what I understand, if you create a file on OS X it will have a Uniform Type Identifier. I'm not sure if it's part of the file system or the file itself. If you copy the file to another file ...
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1answer
709 views

Failed to mount partition of Mac OS Extended (HFS+)

As a matter of fact, my 1 TB External hard disk has three partition: "MAC OS", "NTFS" and "FAT32". All of the partitions worked very well in the past. However, I just discovered that my Mac OS ...
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1answer
249 views

Finder gets confused after using the mv command in the Dropbox folders

I should mention I'm new to command lines. I want to rename files using the mv command in the Terminal. I type: mv oldFileName.pdf newFileName.pdf Afterwards, I use the ls command to check whether ...
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2answers
68 views

OSX Hierarchy questions and organization

I've done extensive searching on these questions and have even come across others, however, they do not answer any of my questions. What are ~/Library and /Library for respectively? I can see they ...
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463 views

Set file metadata attribute values

I'm trying to set the values of some file metadata attributes in OS X Yosemite - kMDItemDateAdded and kMDItemLastUsedDate - the values of which can be shown using mdls <filename>. I'm trying to ...
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87 views

Documents app hangs on file browser. How to export it's files w/o jailbreak?

I used Documents app by Readdle, but now when I open it, it shows me the last document I was reading. When I try to switch back to file browser, it hangs, and I can't press anything. The question is ...
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2answers
4k views

How to write fstab rules for an NTFS volume if the volume has no LABEL or UUID?

Basically, I was following this tutorial to enable writing to an NTFS Volume (which works when the Volume has a LABEL or UUID). I have an external USB drive with an NTFS volume that doesn't seem to ...
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0answers
63 views

Is enabling rw in /etc/fstab for an NTFS volume risky?

I've followed this tutorial: http://computers.tutsplus.com/tutorials/quick-tip-how-to-write-to-ntfs-drives-in-os-x-mavericks--cms-21434 I'm not familiar with Mac OS X's NTFS support, having used ...
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1answer
207 views

GPT looks valid. Diskutil sees empty disk

External 3 TB disk. Stopped working after a power bump. GPT reports as follows: bash-3.2# gpt show /dev/disk6 start size index contents 0 1 PMBR ...
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207 views

Uninstall Google Chrome won't work

I'm in a root Finder and trying to delete Google Chrome.app in another user's folder. I get the error message The item “Google Chrome” can’t be moved to the Trash because some of its plugins are ...
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2answers
146 views

When did the colon character : become an allowed character in the filesystem?

Just noticed it works on Maverick.. the colon character : is valid for file and directory names (I accidentally entered it for a filename in Atom). Can't find any reference to it becoming valid ...
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1k views

Why can I not create a directory on my external hard-drive?

When I try to make a new directory on my external hard-drive I get a message saying that it is a "Read-only file system" LU06296APPLE:~ fortinok$ mkdir /Volumes/Seagate\ Backup\ Plus\ Drive/...
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69 views

Optimize filesystem for speed over integrity

On Linux, I use the noatime,nodiratime,nobarrier,data=writeback mount optioins in /etc/fstab to trade filesystem safety/consistency/integrity for speed which makes sense for local development. Is ...
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2answers
3k views

Cross-Platform File System file sharing between MAC, WINDOWS, LINUX?

I've a laptop with triple boot, Yosemite, Windows 8.1, CentOS 7, and need a partition for sharing files between the 3 os's, i've been using exFAT, as it is supported by OSX & Windows but had some ...
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2answers
214 views

How can I monitor an installer as it modifies the filesystem on Yosemite?

fseventer does not support Yosemite until further notice and the suggestions here don't work for me so how can I monitor an installer as it writes files to the file system? I also tried Sloth but it ...
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1answer
256 views

OSXFUSE, BindFS and HFS+ extended file attributes

I use BindFS with OSXFUSE to mount some folders on an external drive on mount points within my user home folder. This is a sample line from my fstab: /Volumes/Content/Pictures /Users/Me/...
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1answer
186 views

File in /.Spotlight-V100 on bad block

So I have a file /.Spotlight-V100/Store-V2/9ED490D0-6169-4B28-A1B6-46E34ABD0CD1/5.indexPositions which when read causes an IO error disk1: I/O error. 0 [Level 3] [Facility com.apple....
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3k views

fsck not working to fix corrupted external drive

I am using an early 2011 MacBook Pro with the Mavericks OS. I've researched a similar issue on an internal drive but As far as I know, being in Single User mode won't help my situation. One of my ...
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1answer
56 views

Document editing on the ipad

It is not clear to me how the file system in iOS 8 works. Consider e.g. the Dropbox app, when I open a document in another app, what happens? It looks to me as: copy of the file is created file ...
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2answers
228 views

Why 2 same files have different size on NTFS?

I have 2 same files residing on an NTFS filesystem: Romans-MacBook-Pro:cut poma$ md5 src.mov MD5 (src.mov) = 7d59d01e5efffe3a258eff86d8b775a0 Romans-MacBook-Pro:cut poma$ md5 copy.mov MD5 (copy.mov)...
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2answers
257 views

How to get file metadata?

How to get extensive filesystem information about a file? I have a file that consistently causes errors in my backup utility (Unison). I'm trying to narrow down a bug and find out how it is different ...
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4answers
504 views

How to deal with whitespaces in OS X along filepaths when certain UNIX programs dislike it

I am trying to include a command in a TeX file to a bibliography file that I am storing centrally. However, when including the filepath, like /Foldername with whitespace/ANOTHER folder name with ...
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1answer
2k views

What does a hard link do?

This has been mentioned in this question here: What's the difference between alias and link? But I am not even sure what I am looking for. I wish to create a hard link of the type where if a ...
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97 views

How to run OS X on ext4?

I'd like to install OS X on an ext4 filesystem, not hfs. How can this be done? I've looked at the Apple site, but, of course, it won't say anything about that.
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31 views

Directory in my mac filesystem has sub directories with greater size than parent directory

I have some weirdness on my mac's filesystem nowadays. I have a dir in my home dev to store my programs and git repos. Size of the dev is 630 MB. Size of the dev/todos is 637 MB and there a re some ...
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1answer
167 views

Using SSHFS with launchd

I have a Raspberry Pi I want to automount on my Desktop (Yosemite 10.10.1). I've installed OSXFuse (with the MacFuse option) and SSHFS both from https://osxfuse.github.io/. I'm using the password ...
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1answer
521 views

Trying to mount mhddfs / osxfuse via fstab

I'm trying to create a virtual drive pool using osxFuse and mhddfs. I'm on OSX 10.9.5. I've tried osxFuse v2.7.3 installed via the package installer. I've also tried the homebrew cask install method. ...
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1answer
101 views

How do I set a localized name for a folder?

I want to give a folder a localized name. In one of Apple's articles, I found out that the ".localized" file (e.g., in ~/Downloads) is responsible for indicating this, but all of the .localized files ...
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1answer
2k views

What are directories /Volumes/Untitled* (Yosemite)?

I've just started using a new MacBook Pro, which has Mac OS X 10.10.1 "Yosemite" pre-installed. I was surprised to find paths like /Volumes/Untitled in my /Volumes directory. % ls -ld /Volumes/Untit* ...
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1answer
131 views

RAM Disk Fusion Drive?

I've recently started reading up on RAM disks, and they really do sound like they could boost a computer's speed. However, I was wondering if there was a way to go even further and make a RAM disk one ...
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1answer
88 views

How do I format a usb drive on a PC or Mac?

I have a USB drive that was formatted for a Mac and now I want to use it for a PC. How can I do to make it?
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1answer
5k views

How do I convert from Case-Insensitive to case-sensitive in 10.8

I just got a new (well refurbished) MacBook Pro running 10.8.3. I am a programmer, so I have need of a case-sensitive filesystem. It is fresh and I am reluctant to upgrade it or do much with it until ...
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2answers
2k views

Format External Disk in FAT, NOT FAT32

I have an external device which mounts as an external drive and which I must format in FAT, not FAT32, for use elsewhere. Is there a way to do that from Snow Leopard?
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3answers
1k views

What characters might be used to substitute for colon in folder names using a time-of-day?

It is often convenient to name files and folders with a date and time, such as standard ISO 8601 format: 2014-12-10T22:35:28.460Z. Unfortunately, the Mac’s HFS+ file system uses the COLON as a path ...
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2answers
129 views

How can I add “.mp4” to the end of multiple files in a folder?

I just received a bunch of videos (for editing) and something weird happened. I was told the files are .mp4, but when I received them they did not have a filetype assigned to them. I can add ".mp4"...
3
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1answer
666 views

Why do I have a ~ file in the root of my drive?

I just noticed that I have a 2MB ~ file in the root of my Macbook HD. This wasn't here last time I checked (probably months ago,) and my guess is that it is from a system crash the other day or maybe ...
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2answers
384 views

OSX: move to archive (compress a folder and remove it)

I'm looking for a way to zip (or 7z) files via a file manager in such a way that the original folder is deleted right after the zipping finished (less clutter when batching compression of multiple ...
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4answers
349 views

Altering screenshot filename

When taking a screenshot using the keyboard shortcut shift+command+3 it yields a screenshot with a filename of Screen Shot 2014-11-23 at 3.25.36 PM.png. I would like to make a change so that the ...
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1answer
84 views

Allow read-write access to subdirectory in first local account to second local account

I have two accounts (one for work, the other for private stuff) on a Mac, which is running OS X Yosemite. I would like to share a directory, say ~work/Documents/SomeDirectory/SomeSubDirectory/, such ...
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1answer
63 views

How to get my files of a Windows-formatted HDD?

I have a very new MacBook Pro. I have an old Windows laptop that died. However I suspect the hard disk is fine. I also have an external HDD that I had used as a backup for that machine (although I ...
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0answers
129 views

What folders does the “all my files” finder view pull from?

A relative of mine managed to delete all of the files under "All my files." I am restoring from a recent time machine backup, but am trying to figure out which folders need to be restored. So far I ...
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3answers
598 views

calling open from terminal with smb file path and preview as application opens finder instead of preview

I am trying to open a file on an smb share in preview from terminal. The following command opens the containing folder in finder instead of the file in preview. open -a /Applications/Preview.app "...
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42 views

Correct Filesystem Setup?

Recently I did a fresh install of OSX Yosemite on my Macbook Pro. I followed these instructions to create a USB install drive, and I then used the Disk Utility app from that booted USB drive to erase ...