diff --git a/miniOS/LICENCE b/miniOS/LICENCE
new file mode 100644
index 0000000..12b850e
--- /dev/null
+++ b/miniOS/LICENCE
@@ -0,0 +1,3 @@
+miniOS is written by Skye M.
+The code is partially based on code from the OpenComputers mod under the MIT licence (see LICENCE.mit).
+Modifications and extensions to the code, and new code is under the 2-clause BSD licence (see LICENCE.bsd).
diff --git a/miniOS/LICENCE.bsd b/miniOS/LICENCE.bsd
new file mode 100644
index 0000000..3a3c44b
--- /dev/null
+++ b/miniOS/LICENCE.bsd
@@ -0,0 +1,25 @@
+BSD 2-Clause License
+
+Copyright (c) 2020, Skye M.
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+* Redistributions of source code must retain the above copyright notice, this
+  list of conditions and the following disclaimer.
+
+* Redistributions in binary form must reproduce the above copyright notice,
+  this list of conditions and the following disclaimer in the documentation
+  and/or other materials provided with the distribution.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
diff --git a/miniOS/LICENCE.mit b/miniOS/LICENCE.mit
new file mode 100644
index 0000000..9e8ad4f
--- /dev/null
+++ b/miniOS/LICENCE.mit
@@ -0,0 +1,19 @@
+Copyright (c) 2013-2015 Florian "Sangar" Nücke
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
\ No newline at end of file
diff --git a/miniOS/command.lua b/miniOS/command.lua
index 06203dd..1d95cdd 100644
--- a/miniOS/command.lua
+++ b/miniOS/command.lua
@@ -55,7 +55,7 @@ local function listdrives()
 	end
 end
 
-local function lables()
+local function labels()
 	for letter, address in fs.drive.list() do
 		print(letter, component.invoke(address, "getLabel") or "")
 	end
@@ -205,7 +205,8 @@ local function runline(line)
 	if command == "disks" then listdrives() return true end
 	if command == "discs" then listdrives() return true end
 	if command == "drives" then listdrives() return true end
-	if command == "labels" then lables() return true end
+	if command == "labels" then labels() return true end
+	if command == "scndrv" then filesystem.drive.scan() return true end
 	if command == "label" then if parts[2] then label(parts) return true else printErr("Invalid Parameters") return false end end
 	if command == "type" then outputFile(fixPath(parts[2])) return true end
 	if command == "more" then outputFile(fixPath(parts[2]), true) return true end
@@ -228,6 +229,7 @@ cmds --- Lists the commands.
 intro -- Outputs the introduction message.
 drives - Lists the drives and their addresses.
 labels - Lists the drives and their labels.
+scndrv - Updates the drive list.
 label -- Sets the label of a drive.
 echo --- Outputs its arguments.
 type --- Like echo, but outputs a file.
diff --git a/miniOS/miniOS.lua b/miniOS/miniOS.lua
index c4ec17a..10b0098 100644
--- a/miniOS/miniOS.lua
+++ b/miniOS/miniOS.lua
@@ -1,7 +1,7 @@
 _G._OSNAME = "miniOS classic"
-_G._OSVER = "0.6.2-pre.1"
+_G._OSVER = "0.6.2"
 _G._OSVERSION = _OSNAME .. " " .. _OSVER
-_G._OSCREDIT = "miniOS classic by Skye, based off of OpenOS code from OpenComputers.\nminiOS code is under BSD 2-clause license, OpenOS code is under the MIT license."
+_G._OSCREDIT = "miniOS classic by Skye, based off of OpenOS code from OpenComputers.\nminiOS code is under BSD 2-clause licence, OpenOS code is under the MIT licence."
 
 --component code
 function component_code()
@@ -432,14 +432,14 @@ function fs_code()
   fs.drive._map = {}
   --converts a drive letter into a proxy
   function fs.drive.letterToProxy(letter)
-	return fs.drive._map[letter]
+	  return fs.drive._map[letter]
   end
   --finds the proxy associated with the letter
   function fs.drive.proxyToLetter(proxy)
     for l,p in pairs(fs.drive._map) do
-	  if p == proxy then return l end
-	end
-	return nil
+	    if p == proxy then return l end
+	  end
+	  return nil
   end
   --maps a proxy to a letter
   function fs.drive.mapProxy(letter, proxy)
@@ -457,8 +457,9 @@ function fs_code()
 	return nil
   end
   function fs.drive.mapAddress(letter, address)
-	--print("mapAddress")
-    fs.drive._map[letter] = fs.proxy(address)
+  --print("mapAddress")
+    if address == nil then fs.drive._map[letter] = nil
+    else fs.drive._map[letter] = fs.proxy(address) end
   end
   function fs.drive.autoMap(address) --returns the letter if mapped OR already mapped, false if not.
 	--print("autoMap")
@@ -517,6 +518,20 @@ function fs_code()
 	return drive, path
   end
   function fs.drive.getcurrent() return fs.drive._current end
+  function fs.drive.scan()
+    local to_remove = {}
+    for letter,proxy in pairs(fs.drive._map) do
+      if component.type(proxy.address) == nil then
+        to_remove[#to_remove + 1] = letter
+      end
+    end
+    for _,l in ipairs(to_remove) do
+      fs.drive._map[l] = nil
+    end
+    for address, componentType in component.list() do 
+      if componentType == "filesystem" then filesystem.drive.autoMap(address) end
+    end
+  end
   function fs.invoke(method, ...) return fs.drive._map[fs.drive._current][method](...) end
   function fs.proxy(filter)
     checkArg(1, filter, "string")
@@ -1296,10 +1311,7 @@ print(_OSCREDIT .. "\n")
 --clean up libs
 event_code, component_code, text_code, fs_code, terminal_code, keyboard_code = nil, nil, nil, nil, nil, nil
 
---map the drives
-for address, componentType in component.list() do 
-  if componentType == "filesystem" then filesystem.drive.autoMap(address) end
-end
+filesystem.drive.scan()
 
 miniOS = {}
 local function interrupt(data)
@@ -1412,8 +1424,5 @@ while true do
 	if not miniOS.cmdBat then print() end
   fs.drive.setcurrent(fallback_drive)
   local new = false;
-  --print(new)
   if not shellrun("command.lua", (not new and "-c") or nil) then new = true; printErr("Will restart command interpreter..."); kernelError(); end
-  --print("uh")
-  --os.sleep(1)
 end
diff --git a/miniOS/version.txt b/miniOS/version.txt
index a57faf9..c247e1b 100644
--- a/miniOS/version.txt
+++ b/miniOS/version.txt
@@ -1,3 +1,3 @@
 miniOS classic
-0.6.2-pre.1
+0.6.2
 Alpha
diff --git a/miniOSNT b/miniOSNT
index f489494..f2bb63f 160000
--- a/miniOSNT
+++ b/miniOSNT
@@ -1 +1 @@
-Subproject commit f48949404336f8b7c1a8ff376763234657b173a8
+Subproject commit f2bb63f8d4993d876568742f701dc9ff99f9749c