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

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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 ...
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 ...
5
votes
1answer
2k 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 ...
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 ...
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 ...
3
votes
2answers
524 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 ...
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, ...
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
4answers
901 views

How can I create a keyboard shortcut to access a specific folder in Finder?

I have been using Total Commander as a file manager on Windows for years. There is one feature I miss a lot in Finder: a shortcut to one specific folder. Saying I have a folder ~/Downloads, ...
2
votes
2answers
157 views

How do you encrypt a file or a single folder worth of data?

Looking for a way to easily encrypt a file or a folder with a password without having to make up an encrypted read write image in Disk Utility?
48
votes
12answers
55k 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 ...
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 ...
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 ...
10
votes
3answers
1k views

What is the “+” mark at the end of file description?

When I execute 'ls -al~', I see + marks, and it prevents me from moving/deleting files. drwxr-xr-x+ 5 prosseek admin 170 Oct 5 03:43 Desktop drwxr-xr-x+ 17 prosseek admin 578 Sep 25 ...
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 ...
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. ...
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 ...
3
votes
1answer
454 views

.app extension in Spotlight or Alfred

I would like to have all applications names displayed without the .app extension in Spotlight or Alfred. Reeder for example is listed as "Reeder", whereas Sparrow is listed as "Sparrow.app". Which ...
5
votes
4answers
885 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?
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 ...
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 ...
3
votes
2answers
838 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 ...
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 ...
2
votes
1answer
690 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 ...
1
vote
1answer
1k views

Does iWork support OpenOffice filetypes?

I was thinking about getting iWork as a replacement for OpenOffice. Since I usually saved my files to the OpenOffice format (OpenDocument), I was wondering if it's possible to read these files with ...