When you open a dmg or zip file (which we’ll refer to as an “archive” in this article), a tool called Archive Utility is opened briefly to extract the archive and then by default create a folder in the same directory the archive was located. After extracting the contents of the archive, the archive is left as-is, showing the new folder in a Finder screen. This type of workflow works for a lot of people. But not all. This is why Apple built a Preference pane for the Archive Utility. To access, simply open Archive Utility, click the Archive Utility menu and click Preferences. You then see the Archive Utility…
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Lion's Versions Feature
In Mac OS X Lion, applications can make use of a feature to auto-save and version files. This feature locks files that are inactive for editing and when the file is unlocked then starts automatically saving versions. If you have a problem with the file you can then always step back to a previous version of the file. The feature is manifested in the title bar and the file menu of applications that make use of it. When you open a file, it can be locked. Viewing the file in the Finder also shows that it is locked. Clicking on locked provides the option to unlock. Once unlocked you can…
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Mac OS X: Unzip Items From the Command Line
Unzip items from the command line. For example, if you wanted to unzip a file called myfile.zip you can use the following command: unzip myfile.zip Or if you wanted to unzip all the zipped files in a directory you could cd to said directory and run this command: unzip *.zip