diff --git a/common/debugMonitor.lua b/common/debugMonitor.lua
index 74e8c84..d198f77 100644
--- a/common/debugMonitor.lua
+++ b/common/debugMonitor.lua
@@ -6,12 +6,16 @@ local peripheral = _G.peripheral
 local term       = _G.term
 
 local args = { ... }
-local mon = args[1] and device[args[1]] or peripheral.wrap(args[1]) or
+local mon = not args[1] and term.current() or
+	device[args[1]] or
+	peripheral.wrap(args[1]) or
 	peripheral.find('monitor') or
 	error('Syntax: debug <monitor>')
 
 mon.clear()
-mon.setTextScale(.5)
+if mon.setTextScale then
+	mon.setTextScale(.5)
+end
 mon.setCursorPos(1, 1)
 
 local oldDebug = _G._syslog
@@ -26,7 +30,9 @@ repeat
 	local e, side = os.pullEventRaw('monitor_touch')
 	if e == 'monitor_touch' and side == mon.side then
 		mon.clear()
-		mon.setTextScale(.5)
+		if mon.setTextScale then
+			mon.setTextScale(.5)
+		end
 		mon.setCursorPos(1, 1)
 	end
 until e == 'terminate'
diff --git a/common/edit.lua b/common/edit.lua
index f0c7be3..27784e1 100644
--- a/common/edit.lua
+++ b/common/edit.lua
@@ -202,7 +202,6 @@ local page = UI.Page {
 		label = 'Find',
 		search = UI.TextEntry {
 			x = 7, ex = -3,
-			limit = 512,
 			accelerators = {
 				[ 'enter' ] = 'accept',
 			},
@@ -232,7 +231,6 @@ local page = UI.Page {
 		label = 'Save',
 		filename = UI.TextEntry {
 			x = 7, ex = -3,
-			limit = 512,
 			accelerators = {
 				[ 'enter' ] = 'accept',
 			},
@@ -339,7 +337,6 @@ local page = UI.Page {
 	quick_open = UI.SlideOut {
 		filter_entry = UI.TextEntry {
 			x = 2, y = 2, ex = -2,
-			limit = 256,
 			shadowText = 'File name',
 			accelerators = {
 				[ 'enter' ] = 'accept',
diff --git a/lzwfs/system/lzwfs.lua b/lzwfs/system/lzwfs.lua
index 69bccee..5f898bd 100644
--- a/lzwfs/system/lzwfs.lua
+++ b/lzwfs/system/lzwfs.lua
@@ -29,7 +29,6 @@ local tab = UI.Tab {
 	},
 	entry = UI.TextEntry {
 		x = 3, y = 5 , ex = -3,
-		limit = 256,
 		shadowText = 'enter new path',
 		accelerators = {
 			enter = 'add_path',
diff --git a/neural/apis/glasses.lua b/neural/apis/glasses.lua
index 1d8a1d4..1224883 100644
--- a/neural/apis/glasses.lua
+++ b/neural/apis/glasses.lua
@@ -5,7 +5,6 @@
 local Terminal = require('opus.terminal')
 local Util     = require('opus.util')
 
-local colors     = _G.colors
 local device     = _G.device
 
 local Glasses = { }
@@ -102,6 +101,13 @@ function Glasses.create(args)
 	function gterm.getTextScale()
 		return opts.scale
 	end
+	function gterm.move(x, y)
+		if opts.x ~= x or opts.y ~= y then
+			opts.x, opts.y = x, y
+			pos = { x = opts.x * xs, y = opts.y * ys }
+			group.setPosition(pos.x, pos.y)
+		end
+	end
 
 	gterm.name = opts.name
 	gterm.side = opts.name
diff --git a/neural/fisher.lua b/neural/fisher.lua
index 88597af..d9c4c8a 100644
--- a/neural/fisher.lua
+++ b/neural/fisher.lua
@@ -47,7 +47,7 @@ local fsm = machine.create({
 
 		-- state changes
 		onenterwait = function()
-			print('waitng for fishing rod to be selected')
+			print('waiting for fishing rod to be selected')
 			if icon then
 				icon.remove()
 				icon = canvas.addItem({ w - 20, h - 20 }, 'minecraft:fishing_rod' )
diff --git a/neural/nwm.lua b/neural/nwm.lua
index 7e54db0..91d2fe5 100644
--- a/neural/nwm.lua
+++ b/neural/nwm.lua
@@ -1,6 +1,9 @@
 --[[
 	A simplistic window manager for glasses.
-	TODO: support moving windows via mouse drag.
+
+	TODO:
+	opacity for text/background separately
+	support for specifying scale factor
 ]]
 
 local Config  = require('opus.config')
@@ -8,15 +11,17 @@ local Glasses = require('neural.glasses')
 local UI      = require('opus.ui')
 local Util    = require('opus.util')
 
+local fs         = _G.fs
 local kernel     = _G.kernel
 local multishell = _ENV.multishell
 local shell      = _ENV.shell
 
 local config = Config.load('nwm', { session = { } })
 
--- TODO: figure out how to better define scaling
+-- TODO: figure out how to better support scaling
 local scale = .5
 local xs, ys = 6 * scale, 9 * scale
+local dragging
 
 local events = {
 	glasses_click = 'mouse_click',
@@ -31,16 +36,39 @@ local function hook(e, eventData)
 	local y = math.floor(eventData[3] / ys)
 	local clickedTab
 
+	if dragging then
+		if e == 'glasses_up' then
+			dragging = nil
+		elseif e == 'glasses_drag' then
+			local dx = x - dragging.ax
+			local dy = y - dragging.ay
+			dragging.tab.window.move(dragging.wx + dx, dragging.wy + dy)
+			dragging.tab.titleBar.move(dragging.wx + dx, dragging.wy + dy - 1)
+
+			dragging.tab.wmargs.x = dragging.wx + dx
+			dragging.tab.wmargs.y = dragging.wy + dy
+			Config.update('nwm', config)
+		end
+		return
+	end
+
 	for _,tab in ipairs(kernel.routines) do
 		if tab.window.type == 'glasses' then
 			local wx, wy = tab.window.getPosition()
 			local ww, wh = tab.window.getSize()
 
-			if x >= wx and x <= wx + ww and y >= wy and y <= wy + wh then
+			if x >= wx and x <= wx + ww and y > wy and y < wy + wh then
 				clickedTab = tab
 				x = x - wx
 				y = y - wy
 				break
+			elseif e == 'glasses_click' and x >= wx and x <= wx + ww and y == wy then
+				if x == wx + ww - 1 then
+					multishell.terminate(tab.uid)
+				else
+					dragging = { tab = tab, ax = x, ay = y, wx = wx, wy = wy }
+				end
+				return
 			end
 		end
 	end
@@ -65,6 +93,18 @@ kernel.hook(hookEvents, hook)
 local function run(args)
 	local window = Glasses.create(args)
 
+	local titleBar = Glasses.create({
+		x = args.x,
+		y = args.y - 1,
+		height = 1,
+		width = args.width,
+		opacity = args.opacity,
+	})
+	titleBar.canvas:clear('yellow')
+	titleBar.canvas:write(1, 1, ' ' .. fs.getName(args.path), nil, 'black')
+	titleBar.canvas:write(args.width - 2, 1, ' x ', nil, 'black')
+	titleBar.redraw()
+
 	multishell.openTab({
 		path = args.path,
 		args = args.args,
@@ -73,8 +113,11 @@ local function run(args)
 			Util.removeByValue(config.session, args)
 			Config.update('nwm', config)
 			window.destroy()
+			titleBar.destroy()
 		end,
 		window = window,
+		titleBar = titleBar,
+		wmargs = args,
 	})
 end
 
@@ -90,6 +133,8 @@ UI:setPage(UI.Page {
 		UI.Slider {
 			min = 0, max = 255,
 			formLabel = 'Opacity', formKey = 'opacity', formIndex = 3,
+			labelWidth = 3,
+			transform = math.floor,
 		},
 		UI.Text {
 			x = 10, y = 5,
@@ -137,6 +182,9 @@ UI:setPage(UI.Page {
 				run(opts)
 				self.notification:success('Started program')
 			end
+
+		elseif event.type == 'form_cancel' then
+			UI:quit()
 		end
 		return UI.Page.eventHandler(self, event)
 	end,