eject
Eject allows removable media (typically a CD-ROM, floppy disk, tape, or JAZ or ZIP disk) to be ejected under software control. The command can also control some multi-disc CD-ROM changers, the auto-eject feature supported by some devices, and close the disc tray of some CD-ROM drives. The device corresponding to is ejected. The name can be a device file or mount point, either a full path or with the leading "/dev" or "/mnt" omitted. If no name is specified, the default name "cdrom" is used. There are four different methods of ejecting, depending on whether the device is a CD-ROM, SCSI device, removable floppy, or tape. By default eject tries all four methods in order until it succeeds. If the device is currently mounted, it is unmounted before ejecting.
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