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

learn more… | top users | synonyms

54
votes
13answers
63k 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 ...
5
votes
5answers
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 ...
2
votes
1answer
2k views

How do I move my iPhoto library to an external drive available through Time Capsule?

Like many others, the number of photos that we are storing these days is growing. Also, we have multiple iPhoto libraries on various computers. So it makes sense to consolidate photos into a ...
2
votes
3answers
5k views

View another user's files in OS X

Is there a way to (temporarily) view another user's file on OS X other than to change the permissions of the file? I'd like the OS to ask for the user name/password. I guess what I'm looking for is ...
17
votes
12answers
6k 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 ...
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 ...
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 ...
3
votes
2answers
871 views

Do I need to have system administrator permissions to install from the Mac App Store?

Where does the Mac App Store install its applications to? Is this a system-wide location, or somewhere inside my Home directory? Is it possible to use the App Store on machines where I am not a System ...
6
votes
7answers
1k views

Changing the default screenshot filename

Is there a way to change the default screenshot filename prefix (the Cmd-Shift-4 type screenshot) to something other than the default? The default name looks like this: Screen Shot 2011-08-30 at ...
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 ...
0
votes
2answers
196 views

Hide webloc extension

I know that I can hide all extensions but how do I hide just one, say webloc? I don't want to hide each the extension of each file individually.
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 ...
8
votes
8answers
14k 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 ...
3
votes
3answers
4k views

What's the simplest way to password protect a text file?

I'd like to password protect a text file. Not necessarily a .txt file - just a file that's got text in it that I can edit with a standard text editor. I'd like to set a password and be prompted for it ...
4
votes
4answers
2k views

Files Renamed in Finder not Reflected in iTunes?

I just did a batch rename in Finder (using AppleScript), however the filenames in iTunes remain unchanged. I tried restarting iTunes and that did not help. I also tried iTunes >>> File >>> Library ...
5
votes
2answers
4k views

How to change the creation (st_birthtime) date/time of a file in Lion?

touch(1) can only change modification and access times, but has no options for creation time. This does not work, at least not on Lion. So how do I change the creation time, also referred to as ...
9
votes
4answers
1k views

Revert Filetype Association

I occasionally work with iTunes Music Store packages. These packages have a .itmsp extension. Like .app, .itmsp is essentially a container directory. .itmsp folders contain XML and media files. The ...
4
votes
1answer
392 views

How can I associate OpenOffice documents with OpenOffice apps instead of TextEdit?

I just updated to Mountain Lion. My documents were prepared in OpenOffice and contain many mathematical equations. After updating to Mountain Lion, the documents open in TextEdit instead of ...
11
votes
5answers
12k views

What does .ipa stand for?

What does the .ipa file extension (used for iOS app bundles) stand for? I'm guessing that it has something to do with iPhone app, but I'm not sure.
3
votes
4answers
175 views

OS X Lion All Files Showing as Type of Document

I had an issue where my MacBook Air would not start a couple days back, so I reinstalled the OS. I ran the reinstallation from the recovery partition. Ever since then, almost all of my files show as ...
4
votes
1answer
4k views

Good PostScript viewer for MacOS?

On OS X, is there a good application to open PS files without converting them to PDF? In addition, I want to associate PS.GZ files to this application, but retain the TAR.GZ association to my ...
14
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, ...
6
votes
2answers
506 views

Is it possible to attach a file to an email from the command line?

I am often using the terminal, and I'd like to be able type a command that will attach a selected file to an email in mail.app. :~ mailme myfile Any idea on how to do that?
5
votes
4answers
4k 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 ...
2
votes
2answers
537 views

None of my apps are keeping a list of recent documents?

Example: If I open an image in Preview, the "File/Open Recent" menu lists the name of the file. If I then close the file, but still leave Preview running, the "Open Recent" menu still lists the file. ...
2
votes
1answer
167 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
3k views

Why is a command line change to ~/Library/Preferences/com.apple.LaunchServices.plist not effective immediately?

When the Info window of Finder is used to associate files of a particular type with an application: the preference is effective immediately. When Terminal is used to make a comparable addition ...
0
votes
1answer
162 views

Files on desktop un-deleteable, say “No Items selected” when previewed

I have some image files that mysteriously showed up on the desktop. When I go to move them, they show a copy (+) icon and they are unable to be deleted. When I select either one and press space bar to ...
4
votes
1answer
228 views

Open as text option for every file, regardless of what OS X thinks of it [duplicate]

Possible Duplicate: How to permanently put TextEdit in the Open with… menu list? Being a programmer, I often work with text files. As you probably know, file extensions are more or ...
1
vote
2answers
589 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
1answer
92 views

How to use Finder's “Open With Application”?

(Apologies in advance if the menu names aren't exactly right -- I'm not using Mac OS X in English, so I'm guessing at the translations.) I was curious what the "screen sharing" shortcut had in it, so ...
5
votes
1answer
427 views

How can I open a file in its default application from the command line in OS X?

How can I open a file in its default application from the command line? For example if I have a file foo.doc, can I type command ./foo.doc into the CLI and have that file open in Word? Note: on my ...
3
votes
2answers
547 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 ...
2
votes
2answers
139 views

How to create a file with a specific Created at time? [duplicate]

Possible Duplicate: How do I set the creation time of a file? How can you create a files on a Mac that have a specific creation date (different from the current one)? What I have found so ...
2
votes
1answer
44 views

What happens at a low level when a directory from Finder is dragged to an app icon, such as TextMate?

The directory that was dragged will then open in the application it was dragged to (if the app accepts the path). What happens at the low level? How does the application know it can open that path? ...
7
votes
7answers
2k views

How can I copy the path of a file?

This surely sounds weird to PC users ;-), but my actual question is "How can I copy the path to a folder or a file ?" The Info Dialog doesn't allow me to copy the information that stands there ... ...
2
votes
0answers
15 views

Playback during Copying

When I copied a movie over the Network, via Finder, back in 10.5 I could simply open it in VLC during copying. However on 10.7 it tells me the file is used by OS X and could, therefore, not be opened. ...
5
votes
4answers
952 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?
2
votes
1answer
146 views

Is there an alternative to the native file transfer handler in Finder?

In Windows you can replace the native file handler with TeraCopy, I was wondering if there were a similar solution in Mac OS X. Because the current handler is not that great. Thanks for any ...
1
vote
2answers
813 views

Turn off Smart Folders display “.savedSearch” extension in Finder sidebar

I held off upgrading my Mac Pro from Snow Leopard to Lion until I had replaced all the important apps that would no longer run. So far it's OK, but one thing has me baffled is that my Smart Searches ...
10
votes
4answers
197 views

Cutting and pasting files

OS X doesn't allow me to cut files. Are there any applications to enable this?
4
votes
1answer
476 views

Preventing applications from creating folders in your documents folder

I have two applications (Microsoft RDP Client and Parallels Desktop) that insist on creating their own folders in my Documents folder. They use those to store user-specific files, settings, profiles ...
4
votes
1answer
955 views

How can I make OS X recognize new file extensions?

In Finder.app, you can hit Enter to edit the name of the currently selected file or folder. OS X will automatically select only the file name part, not the extension: This is very useful, because ...
0
votes
2answers
470 views

Is my USB drive broken, or is it my MacBook?

I have a Kingston DataTraveler 108, which is recognized by any computer I plug it into. When I try copying files to it on my MacBook, it is sometimes suddenly ejected. I've had the same problem ...
9
votes
1answer
608 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?
5
votes
2answers
4k views

What are “dmgpart” files and what tools can create, merge, or manage them?

I downloaded something that came as three large files: One was a *.dmg (a disk image file, which I expected) and two more were *.dmgpart files, which I haven't happened to see before – I never ...
2
votes
1answer
51 views

Can I set up each space to be a different file location?

I have five spaces that I use regularly. I was wondering if there was any way to link each space to a different location; for example, Space 1 would be Users/Me/Desktop, and the others would be ...
5
votes
2answers
217 views

How can I look inside iOS apps' folders from within iTunes?

When looking at an app's documents with iTunes (in the Apps tab of the iDevice), it is possible to view folders of the documents created by the apps. How can I look inside them? Double-clicking does ...
17
votes
4answers
2k views

Why does “Copy” replace stuff instead of merging it?

This is started to be really annoying to me If you have an original folder with 2 files and you copy something into it's parent folder where the folder name is the same, and, let's imagine you are ...
3
votes
2answers
669 views

Define order of label color in Finder

I have ordered labeled PDF files with the colors green (very good), orange (ok) and red (bad). When I order my files after labels I get: Green Orange Yellow But I want to have Green Yellow ...