Q: I cannot unmount my optical disk from the Workspace. An alert panel notifies me that it "Can't unmount disk -- some application still has files open on the disk."\
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Q: When I try to use the umount command in in Shell to unmount an optical disk, I get the error message: "path/OpticalDisk: device busy".\
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A: What these errors mean is that some application, or perhaps Workspace Manager or a shell, has files open on the optical disk. Check for the following conditions.\
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(1) Your current working directory in Shell or Terminal cannot be a directory on the optical disk. Change to another directory, perhaps "cd ~", to fix this.\
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(2) Are you displaying the mounted filesystem in a Browser window of the Workspace Manager? If so, select another directory in the Browser.\
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(3) Perhaps you launched an application, such as Edit, by opening a file on the optical disk, and later closed that file but didn't quit the app that was launched. Find and quit that application.\
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Note: There are very few circumstances in which it is necessary to unmount without using Workspace Manager. We strongly recommend that you use umount only as a last resort in case of system failure.\