# eject
# eject removable media
# You can also close the tray using certain options.

# Eject any available device
# CD-ROM, floppy disk, tape, or JAZ or ZIP disk
eject

# Eject a device by its name
eject /dev/cdrom

# Close the tray using eject command
eject -t

# Lock the hardware eject button
eject -i on

# Unlock the hardware eject button
eject -i off