An acronym for Uniform Type Identifier - a text string that uniquely identifies a given class or type of item.

learn more… | top users | synonyms

1
vote
1answer
109 views

How do I revert to a previous version of a file using Lion's file versioning tool?

I can't seem to figure this one out. I have filevault running if that makes a difference.
4
votes
1answer
816 views

Mount RAM Disk at boot with a specific path?

I'd love to mount a RAM Disk in OSX Lion on boot. I know how to write the launchd stuff to do it when I want, but is it possible to mount a RAM Disk onto a certain path, so that it would be cleared ...
2
votes
4answers
367 views

Cannot trash a file?

I want to delete a file because it's of no use to me yet I seem unable to do so. I've gone through these steps so far: Put file in trash, empty trash. -> Mac keeps on telling me: 12 items to ...
1
vote
1answer
917 views

Invert selection in iTunes?

I converted many media files in iTunes to be suited to iPod. Now I have all the selected files along with the converted files (unselected). I now want to invert selection so I can easily delete all ...
4
votes
2answers
127 views

What breaks if I delete the folders named Public and Sites?

The default home folder on Mac OS X has folders named Public and Sites. I never use them, so what will possibly break if I delete them?
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 ...
12
votes
2answers
4k views

What is the difference between .command, .tool, and .sh file extensions?

I saw a couple of questions about executing command line scripts? I saw that the .command and .tool extensions were mentioned. I have always used .sh. What is the difference between these different ...
4
votes
2answers
2k views

How do I disable quarantine on Lion?

I've been tearing my hair out trying to get rid of the quarantine "Do you want to open this?" warning because I don't like it. The well documented way (defaults write com.apple.LaunchServices ...
6
votes
3answers
221 views

Moving folder to Trash in Finder is not synchronized with Terminal

I tried to delete a folder which I access via terminal.app. Though the Finder moved the folder to the Trash, I was still able to see the contents and edit the file from terminal. created a textfile ...
8
votes
1answer
2k views

Is there a QuickLook preview for plain-text files with unknown extensions?

A similar question was asked here but the answer refers to something called QL Stephen, which only claims to preview files with no extension. I need something that will show previews of files with ...
1
vote
2answers
184 views

Adding contextual menu item to zero out files?

I want to be able to easily zero-out (make the filesize 0, not fill the existing filesize with 0s) files from the Finder by selecting files from within Finder and selecting an action from the right ...
2
votes
2answers
1k views

Bash shell script to locate and remove substring within a filename

I am trying to write a bash shell script (which is called by an Automator Action) to rename TV show DVD rips that I have named badly over the years. I want to remove part of the text in the filenames. ...
2
votes
1answer
182 views

Why is the filesize of downloaded disk image different?

I have a disk image which I uploaded to a web server and then downloaded with Safari 5.1 in OS X 10.7. Finder reports the original as 34,911,334 bytes, and the downloaded file as 34,909,684. Both ...
0
votes
0answers
237 views

Preventing TexMaker from opening .tex files by default

Is there a way of stopping TexMaker from opening .tex files? I'm using OSX (10.6.8) and have TexShop 2.43 and Texmaker 3.0.2 installed . Even though I have right-clicked on a .tex file and specified ...
7
votes
3answers
4k views

How to check what's locking a file?

I noticed that sometimes Mail.app locks files. The lock itself allows for files to be moved to Trash, but doesn't allow Trash to be emptied. (Perhaps Trash should be renamed Thrash in this case) Is ...
2
votes
3answers
2k views

How to recover previously saved text file after an overwrite and a reboot?

I was programming in python and I had two text editors open to the same file, and right before I shut down my computer I saved in the wrong one and overwrote the version I wanted to keep. How can I ...
1
vote
1answer
258 views

Why is removing hard-linked files so slow in Lion?

$ ln src/* dir $ rm dir/* If src/ contains a few hundred files, the rm operation takes many minutes. If I open the directory in Finder, I can see the files vanishing one by one. This operation used ...
0
votes
3answers
2k views

Mounting iPad filesystem in Linux?

Is it possible to mount the core filesystem used on the iPad on to my linux box? There is an application named DiskAid which does this for Windows and Mac, so it is accessible, just a matter of how. ...
1
vote
2answers
244 views

How do I convert FLIC files properly

I need to open and convert old Autodesk Animator FLIC (.FLI) files (from MS DOS) into something more useful, like say AVI or even an image sequence. I realize both Motion and QuickTime "can" do this, ...
2
votes
1answer
2k views

What is a .apple extension?

What is a .apple extension? I am recovering some files and I recovered several files with the .apple extension.
15
votes
2answers
2k views

File sizes greyed out (strange extended attributes) in Finder on Lion?

I just got a new machine with Lion preinstalled. After transferring all my applications, I noticed that the file sizes (and only the sizes) of some applications and folders are greyed out: Does ...
4
votes
2answers
5k views

How do I view .wtv files in OS X?

I have a Windows 7 Media Center machine for our family's DVR. It creates recorded TV files in a .wtv format (used to be .ms-dvr in the Vista days). We have a laptop running Lion that I'd like to ...
12
votes
6answers
12k views

Unsaved Files in OS X Lion

Where do unsaved files go in Lion? I quit TextEdit without saving since I had no intention of saving, but with autosave the file still got save somewhere since when I reopen TextEdit the file I was ...
10
votes
4answers
6k views

Hide ONLY .app file extensions but show the rest

Is there a way to hide ONLY .app file extension? I know that you can enable or disable the visibility of file extensions in Finder but I'm interested in avoiding .app file extensions from showing up. ...
3
votes
2answers
528 views

How do I set the creation time of a file?

I have a script that converts a file to another format, and I want the resulting file to have the same timestamps as the original, including the creation time (as shown by ls -lU). I can use touch to ...
1
vote
2answers
574 views

How can I break a persistent association between .xcodeproj files and Xcode 4.2 beta?

I've got Xcode 4.0.2 installed in /Developer, and the Xcode 4.2 beta in /XcodeBeta. My problem is that the .xcodeproj file type is now associated with Xcode 4.2 and I can't change it to Xcode 4.0.2. ...
3
votes
2answers
156 views

How to customize “Kind”s in the Finder

Is there a way to customize the Kinds in the Finder in any way? I'd like to set up my own custom kinds to make it easier to sort files in Finder views. I know that I can use the Get Info palette to ...
2
votes
1answer
1k views

How to delete Windows “locked” files?

My friend gave me a USB key that has Windows Viruses on it. On my mac, when I try to delete them it fails and tells me that those files are "locked". I ran an anti-virus, which also was unable to ...
1
vote
0answers
494 views

Restore 200mb EFI Partition/Write Support for WIN7 HFS+

So I posted earlier about recovoring an HFS+ partition on Windows. I used Testdisk with awesome success. Now I've run into another issue. The biggest issue is that I need to read AND write to my ...
13
votes
4answers
2k views

Choose a default app for opening files with no extension?

Is it possible to set a default application to open files with no extension? I'm not referring to files with hidden extensions, but those completely lacking an extension -- e.g. README, CHANGELOG, ...
5
votes
4answers
899 views

How do I create files in Finder without Terminal?

On windows, when you right click then you have option to create files. I want to do that too on Mac, how can I do that without terminal?
0
votes
1answer
122 views

Any way to make multiple files stop hiding their extension?

How can I make multiple files show their extension at once? Any finder setting and/or terminal command would be nice.
9
votes
1answer
555 views

What does the “Stationery Pad” option do?

Under the General section of a file's File Info, there is a checkbox for Stationery Pad and Locked. The Locked option is pretty straightforward, but what does Stationery Pad do?
1
vote
2answers
585 views

AppleScript “Open With…” icon

I've written an AppleScript app that I use to open certain files with (it sends them to Vim in the Terminal). I'd like to set all my .Tex files to automatically open with this app. The problem is ...
1
vote
2answers
235 views

How can I stop QuickTime from opening WMV embeds?

How can I stop QuickTime from opening WMV embeds?
5
votes
4answers
5k views

how can I move multiple files at once?

I'm really new to Macs, and finding file operations to be really frustrating after Linux. If I have a Finder window open with 5 files that I want to move to a different folder, I can select all 5 ...
8
votes
5answers
4k views

What directory comparison tools can I use on OS X?

I am looking for a tool that is able to compare directories, not only files. Also it is important to be able to call the tool from the command line. It would be great to have a free tool, if not free ...
4
votes
1answer
194 views

What are those ._<name> files?

I downloaded a Java library and noticed, that for every file and directory there is a binary file of the form ._<name>. It contains something like: "Mac OS X ... com.apple.quarantine ... ...
49
votes
12answers
57k views

What file comparison tool can I use under OS X?

My favorite file comparison tool was Beyond Compare but since I recently switched to OS X, i'm no longer able to use it and I'm looking for an alternative, preferably a free one. Update: I made the ...
16
votes
12answers
5k views

What orthodox file manager for OS X could I use?

I'm looking for a graphical file manager fro OS X, for console Midnight Commander is ok. I need two panels, function keys operations and preferably FTP and SCP support. Also, it would be great to be ...
8
votes
8answers
12k views

is there free OS X equivalent to Total Commander? [duplicate]

is there free equivalent to Total Commander for OSX? two panels drag & drop tabs etc ect I found DoubleCommander the best but OSX port has its bugs. muCommander is nice too but not as good as ...
2
votes
1answer
5k views

How can I prevent Excel from opening recovered files?

I unfortunately tried to open a few Excel files that have huge amounts of data. After 20 minutes they were not opened yet, so I did a force quit. The problem now is that when I launch Excel, the ...
5
votes
4answers
3k views

Gray file in finder

Is there any way to force Finder to refresh its in-use information for gray (inaccessible) files? Details: I move infrequently used files from my Mac (OS/X 10.6) to a Windows server 2008 file ...
0
votes
1answer
645 views

Parallels Desktop is using my home directory for a VMs home directory

I have installed Windows Vista on a Parallels Desktop virtual machine on my MacBook Air. But it seem that my Windows Vista home directory is stored in my Mac OS X home directory. E.g. at my Mac OS X ...
2
votes
1answer
729 views

New File Action in Finder

Why finder doesn't have 'New File', but 'New Folder'? Is there any way/tool for having 'New File' in Finder? ADDED Pathfinder provides the feature of making 'New File'. I need this function in ...
2
votes
1answer
165 views

Is there an attribute that can show which process created a file?

Now, I can find out which processes are opening files dynamically. However, for a file on my filesystem, is there a way to find out which process created the file? I'm trying to differentiate a file ...
5
votes
1answer
1k views

Where are Services stored?

I created a service using Automator and noticed that it created a .workflow file in ~/Library/Services. Is this the same file that handles the service that I see under (Application's Name) > Services? ...
1
vote
1answer
4k views

How can I change the location which Anki uses to save files?

The program Anki saves its data to the Documents folder. I would like to move this folder to my Dropbox folder. Anki has no settings which allows you to change the location that data is stored. Is ...
0
votes
2answers
130 views

Filesorter alternative

I found a really cool app in the App Store called FileSorter It automatically sort files. Is there any FREE alternative?
3
votes
1answer
194 views

Does osx file organization works like Ubuntu's?

I mean, does mac have a "home" folder, and if I want to format and reinstall the system, it'll not affect my home folder? And the Desktop is a folder within the home folder?