eject is a function of Wine. It is used to free, unlock, and eject an optical device when Wine is using it.
Note: in order to eject, the drive must be correctly set up in winecfg and must be invoked with wine preceding it.
Usage
wine eject [-u] [-a] [-h] [x:]...
-a Eject all the CD drives we find
-h Display this help message
-u Unmount only, don't eject the CD
x: Eject drive x:
useful when trying to install mutidisk installs
1. wine /media/cdrom/setup.exe (or whatever it's called)
2. when the installer prompts for the 2nd disc, go to another window and run "wine eject" if just pressing the button doesn't let go of the disc