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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44
votes
8answers
16k views

Can I make a DIY Fusion Drive?

I have a Mac Mini with two drives: a 256GB SSD and a 500GB HDD. From what I've read, the new Fusion Drive does all of it's magic in software, using the Core Storage APIs. Can I get my setup to ...
3
votes
4answers
1k views

What techniques for disk, volume and file system management are possible with OS X, but troublesome within Disk Utility?

In the past, Disk Utility was the best starting point for the vast majority of disk-related tasks. As technologies within (or possible with) OS X have developed – without equal development of Disk ...
14
votes
4answers
9k views

How to set to open folder with enter in finder?

I want to set to open a folder in finder with Enter. I know it's possible to open a folder with ⌘ Command + ↓ Down Arrow but I don't like it and I never use it because it's easier to use the ...
8
votes
2answers
362 views

Why is there a duplicate entry for my TextMate?

I was changing the default program to open .txt files with and I noticed 2 entries for TextMate. Its one of those little things that annoy me. How can I fix it? I didn't see 2 directors of ...
11
votes
3answers
1k views

Problem with “Always Open With” in OS X

I want know how can I apply a software to open all my same document, for example I want to open all my PDF document with Skim but when I right click on it> open with > other and choose my desired ...
3
votes
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 ...
2
votes
3answers
3k views

Automatically launch a program or action when an external drive or disk is connected

I have an external drive. Is it possible to launch a program or perform an action when I connect it or plug it in?
9
votes
4answers
3k 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?
3
votes
2answers
1k views

How to setup a default program opening an unknown file extension?

I tried to open a file with an extension name of adb in Finder (to be precise, PathFinder). When I clicked the file, vi editor is activated to open the adb file. I didn't do anything with the adb ...
33
votes
2answers
756 views

Where should I store command line applications?

When I download command line applications they are located in my ~/Downloads/ directory. But I feel this is wrong place to have a command line application located. Where in the Mac OS X filesystem ...
13
votes
4answers
40k views

How to write on FAT32 and NTFS from Mountain Lion?

What is the best free software for OS X Mountain Lion for enabling write support for FAT32 and NTFS?
6
votes
6answers
13k views

Is it possible to mount SharePoint as a volume in 10.6?

Background My office uses: Microsoft SharePoint to store and version our documents Microsoft Office, with Microsoft Document Connection to connect to the SharePoint site. Question 1 Can Finder ...
7
votes
5answers
2k views

Disable storage of invisible files “._” on my cfs or smb network storage

I use OS X Mavericks and have some company storage drives mounted (using smb or cfs). (smb://username@address.path.toserver.com/directory/data). When I work with files on the drive or copy files to ...
1
vote
5answers
554 views

How can I create an entry in the /Applications folder that runs a command in the terminal?

I would like to have an item in the /Applications folder that will open a new terminal window and run a specific command inside. How can I create this?
4
votes
0answers
158 views

“Open with” in Finder.app gives duplicate entries [duplicate]

Possible Duplicate: How to omit apps from external drives in “Open With” menu? in finder's open with menu are a lot of dups. I am running latest OX X and patches. I googled and found ...
3
votes
1answer
819 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 ...
9
votes
1answer
882 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 ...
8
votes
2answers
7k 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 ...
4
votes
4answers
34k views

Alternative to Tuxera NTFS and MacFUSE?

Im trying to mount files to an NTFS format drive, I read on the internet that either Tuxera NTFS or MacFuse work for such things. However TuxeraNTFS filled my USB drive with space that should be free ...
15
votes
1answer
2k views

Why does OS X require admin privileges to unmount a drive from the terminal using `umount` but not when using Finder?

Anyone can unmount a usb drive from Finder by clicking on the "eject" icon next to it. However, only a user with administrative privileges can unmount a drive from the terminal using umount. Are ...
7
votes
3answers
6k views

How can I rename a Logical Volume Group?

I have noticed that while I can safely change the name of the Logical Volume (LM Volume) in /Volumes (currently: Apple SSD), I cannot find a way to change the name of the Logical Volume Group ...
5
votes
3answers
4k views

What filesystem does iOS use?

I can't find this information documented anywhere. What filesystem do iOS devices use? Did Apple stick with HFS+? Is it different between devices and iOS versions?
2
votes
2answers
188 views

Where is the text expansion file located with OS X?

I'd like to give a colleague all of my text expansions without her having to re-enter them on her Mac. I was hoping to locate the file, then simply send her a copy to replace her own. (She doesn't use ...
0
votes
1answer
5k views

Mount folder as a volume (OSX)

Is it possible to (auto) 'mount' folders as Volumes? I have a large DAS Volume, 'Data', that contains all my data. To make paths shorter and more future proof, I'd like to have Volumes like ...
0
votes
2answers
1k views

What causes chmod to not work on an ssh file in OSX?

I am trying to mount private keys from USB stick. OSx does not allow me to change their permissions, why? How can I change them? In other words, how can I add private keys from random USB stick to ...
3
votes
1answer
293 views

What is the function(s) of the hidden Debug menu in Disk Utility?

What is the function(s) of the Debug menu and why is it hidden by default?
3
votes
3answers
9k 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* ...
2
votes
2answers
1k views

Run plist command every 5 seconds

I have the following plist file in my User/Library/LaunchAgents folder. It presses the "g" key every 60 seconds. My question is, how can I change this to press the "g" key every 5 seconds? ...
1
vote
1answer
2k views

I want to install Adobe CS 6 on an external hard drive but can't select the install location

My SSD is formatted case sensitive, so when I attempted to install I got this: Installation on case sensitive volumes isn't allowed. Please choose a case insensitive location. But I can't select ...
0
votes
1answer
69 views

OSX partitions wiped by NAS RAID

So I messed up when I thought it would be a good idea to stick some hard drives into my NAS. It's now changed the partition table to a RAID0 one and my data has vanished. What are my best chances of ...
0
votes
1answer
120 views

Difference between du and Finder file sizes

I was having a look at the size of libBLAS.dylib at some location in my Mac and du showed it's file size as 572K while the allocated file size (showed by Finder) was 1.4MB. I've read that the lack of ...