====== Unmount USB Stick ======
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Note, the unmount command is <color red>umount</color> not u<color red>n</color>mount.
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To unmount a USB Stick you first need to identify it. To do this you need to list mounted drives. From the command line enter:
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    mount
    
    Example Output:
    /dev/mapper/vg_main-lv_root on / type ext4 (rw)
    proc on /proc type proc (rw)
    sysfs on /sys type sysfs (rw)
    devpts on /dev/pts type devpts (rw,gid=5,mode=620)
    tmpfs on /dev/shm type tmpfs (rw,rootcontext="system_u:object_r:tmpfs_t:s0")
    /dev/sda1 on /boot type ext4 (rw)
    /dev/mapper/vg_main-lv_opt on /opt type ext4 (rw)
    /dev/mapper/vg_main-lv_var on /var type ext4 (rw)
    none on /proc/sys/fs/binfmt_misc type binfmt_misc (rw)
    /dev/sdb1 on /mnt/MEDIA type vfat (rw)
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In the above example the drive I need to unmounts is <color red>/dev/sdb1</color>. If you mounted the drive, then you should already know what the drive identifier was.
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To <color red>unmount</color> the drive, from the command line enter:
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    umount /dev/sdb1
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