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The Mount Tray application is used to facilitate the mounting and unmounting of USB storage devices. It is included in Control Panel and as an icon in the system tray, meaning that in can be used within any window manager, even those that do not provide a USB mounting utility. It can also be started by typing pc-mounttray &.
If you connect a USB drive, a pop-up message will indicate that a new device has been detected. Right-click the "Mount Tray" icon to see a screen similar to Figure 8.10a.
Figure 8.10a: Mount Tray After a USB Device Inserted
In this example, an external USB hard drive was inserted while logged into the KDE desktop and detected by its serial number "48957b6764472bdb". The mouse was hovered over that entry in order to see the two possible actions: to "Mount da0s1" which makes the drive accessible for this login session or to "Auto-mount" which will make the drive accessible for this login session and will also automatically make the drive accessible the next time it is plugged in. If you click either option, a pop-up message will indicate that the drive is mounted. If the desktop has a default file manager, it will open with the contents of the device displayed. In this example, the dolphin file manager opens as it is the default KDE file manager. If the desktop does not provide a default file manager, Mount Tray will provide an "open with" dialogue so that you can select the utility to use to browse the contents of the USB device. A list of available file managers can be found on the Files and File Sharing page.
Mount Tray also detects any partitions of internal drives not being used by PC-BSD. In the example shown in Figure 8.10a, this system is dual booting with Windows 7 on a Lenovo laptop. Windows 7 uses three partitions: one for the system drive, one for Lenovo recovery, and one containing the operating system. To access files on the Windows system, mount the partition labelled "Windows7_OS". Table 1.4a lists which filesystems are supported by PC-BSD's Mount Tray.
When you are finished using the device, right-click Mount Tray, hover over the device entry and click the entry to unmount the device. A pop-up message will indicate that the device has been unmounted and that it is now safe to remove the device.
NOTE: do not physically remove the device without unmounting it first.