diff --git a/sys/apps/Lua.lua b/sys/apps/Lua.lua
index 352606e..557573c 100644
--- a/sys/apps/Lua.lua
+++ b/sys/apps/Lua.lua
@@ -10,10 +10,8 @@ local os         = _G.os
 local textutils  = _G.textutils
 local term       = _G.term
 
-local _exit
-
 local sandboxEnv = setmetatable(Util.shallowCopy(_ENV), { __index = _G })
-sandboxEnv.exit = function() _exit = true end
+sandboxEnv.exit = function() UI:quit() end
 sandboxEnv._echo = function( ... ) return { ... } end
 _G.requireInjector(sandboxEnv)
 
@@ -363,10 +361,6 @@ function page:executeStatement(statement)
 			self:emit({ type = 'show_output' })
 		end
 	end
-
-	if _exit then
-		UI:quit()
-	end
 end
 
 local args = Util.parse(...)
diff --git a/sys/apps/package.lua b/sys/apps/package.lua
index b5fdba3..324d321 100644
--- a/sys/apps/package.lua
+++ b/sys/apps/package.lua
@@ -151,7 +151,7 @@ if action == 'uninstall' then
 	runScript(manifest.uninstall)
 
 	local packageDir = fs.combine('packages', name)
-	fs.delete(packageDir)
+	fs.delete(fs.resolve(packageDir))
 	print('removed: ' .. packageDir)
 	return
 end
diff --git a/sys/init/2.vfs.lua b/sys/init/2.vfs.lua
index bc1dc96..3361d80 100644
--- a/sys/init/2.vfs.lua
+++ b/sys/init/2.vfs.lua
@@ -19,6 +19,10 @@ for k,fn in pairs(fs) do
 	end
 end
 
+function nativefs.resolve(_, dir)
+	return dir
+end
+
 function nativefs.list(node, dir)
 	local files
 	if fs.native.isDir(dir) then
@@ -137,7 +141,7 @@ end
 fs.getNode = getNode
 
 local methods = { 'delete', 'getFreeSpace', 'exists', 'isDir', 'getSize',
-	'isReadOnly', 'makeDir', 'getDrive', 'list', 'open' }
+	'isReadOnly', 'makeDir', 'getDrive', 'list', 'open', 'attributes' }
 
 for _,m in pairs(methods) do
 	fs[m] = function(dir, ...)
@@ -147,6 +151,12 @@ for _,m in pairs(methods) do
 	end
 end
 
+-- if a link, return the source for this link
+function fs.resolve(dir)
+	local n = getNode(dir)
+	return n.fs.resolve and n.fs.resolve(n, dir) or dir
+end
+
 function fs.complete(partial, dir, includeFiles, includeSlash)
 	dir = fs.combine(dir, '')
 	local node = getNode(dir)
@@ -268,14 +278,11 @@ function fs.mount(path, fstype, ...)
 		error('Invalid file system type')
 	end
 
--- hack - get the mount point for the path
--- ie. if packages is mapped to disk/packages
--- and a request to mount /packages/foo
--- then use disk/packages/foo as the mountPoint
-local n = getNode(path)
-if n.fstype == 'linkfs' then
-	path = path:gsub(n.mountPoint, n.source, 1)
-end
+	-- get the mount point for the path
+	-- ie. if packages is mapped to disk/packages
+	-- and a request to mount /packages/foo
+	-- then use disk/packages/foo as the mountPoint
+	path = fs.resolve(path)
 
 	local node = vfs.mount(path, ...)
 	if node then
@@ -290,8 +297,7 @@ end
 			if not tp.nodes[d] then
 				tp.nodes[d] = Util.shallowCopy(tp)
 
-				-- another related hack
-				if tp.fstype == 'linkfs' then
+				if tp.nodes[d].source then
 					tp.nodes[d].source = fs.combine(tp.nodes[d].source, d)
 				end
 
diff --git a/sys/modules/opus/fs/linkfs.lua b/sys/modules/opus/fs/linkfs.lua
index 79ec13d..8ffdb4c 100644
--- a/sys/modules/opus/fs/linkfs.lua
+++ b/sys/modules/opus/fs/linkfs.lua
@@ -4,16 +4,20 @@ local linkfs = { }
 
 -- TODO: implement broken links
 
-local methods = { 'exists', 'getFreeSpace', 'getSize',
+local methods = { 'exists', 'getFreeSpace', 'getSize', 'attributes',
 	'isDir', 'isReadOnly', 'list', 'listEx', 'makeDir', 'open', 'getDrive' }
 
 for _,m in pairs(methods) do
 	linkfs[m] = function(node, dir, ...)
-		dir = dir:gsub(node.mountPoint, node.source, 1)
+		dir = linkfs.resolve(node, dir)
 		return fs[m](dir, ...)
 	end
 end
 
+function linkfs.resolve(node, dir)
+	return dir:gsub(node.mountPoint, node.source, 1)
+end
+
 function linkfs.mount(_, source)
 	if not source then
 		error('Source is required')
diff --git a/sys/modules/opus/fs/netfs.lua b/sys/modules/opus/fs/netfs.lua
index e36a1cc..5fed98d 100644
--- a/sys/modules/opus/fs/netfs.lua
+++ b/sys/modules/opus/fs/netfs.lua
@@ -6,7 +6,6 @@ local fs = _G.fs
 local netfs = { }
 
 local function remoteCommand(node, msg)
-
 	for _ = 1, 2 do
 		if not node.socket then
 			node.socket = Socket.connect(node.id, 139)
@@ -33,17 +32,17 @@ local function remoteCommand(node, msg)
 	error('netfs: Connection failed', 2)
 end
 
-local methods = { 'delete', 'exists', 'getFreeSpace', 'makeDir', 'list', 'listEx' }
+local methods = { 'delete', 'exists', 'getFreeSpace', 'makeDir', 'list', 'listEx', 'attributes' }
 
-local function resolveDir(dir, node)
+local function resolve(node, dir)
 	-- TODO: Wrong ! (does not support names with dashes)
 	dir = dir:gsub(node.mountPoint, '', 1)
-	return fs.combine(node.directory, dir)
+	return fs.combine(node.source, dir)
 end
 
 for _,m in pairs(methods) do
 	netfs[m] = function(node, dir)
-		dir = resolveDir(dir, node)
+		dir = resolve(node, dir)
 
 		return remoteCommand(node, {
 			fn = m,
@@ -52,14 +51,14 @@ for _,m in pairs(methods) do
 	end
 end
 
-function netfs.mount(_, id, directory)
+function netfs.mount(_, id, source)
 	if not id or not tonumber(id) then
 		error('ramfs syntax: computerId [directory]')
 	end
 	return {
 		id = tonumber(id),
 		nodes = { },
-		directory = directory or '',
+		source = source or '',
 	}
 end
 
@@ -68,7 +67,7 @@ function netfs.getDrive()
 end
 
 function netfs.complete(node, partial, dir, includeFiles, includeSlash)
-	dir = resolveDir(dir, node)
+	dir = resolve(node, dir)
 
 	return remoteCommand(node, {
 		fn = 'complete',
@@ -77,8 +76,8 @@ function netfs.complete(node, partial, dir, includeFiles, includeSlash)
 end
 
 function netfs.copy(node, s, t)
-	s = resolveDir(s, node)
-	t = resolveDir(t, node)
+	s = resolve(node, s)
+	t = resolve(node, t)
 
 	return remoteCommand(node, {
 		fn = 'copy',
@@ -87,37 +86,37 @@ function netfs.copy(node, s, t)
 end
 
 function netfs.isDir(node, dir)
-	if dir == node.mountPoint and node.directory == '' then
+	if dir == node.mountPoint and node.source == '' then
 		return true
 	end
 	return remoteCommand(node, {
 		fn = 'isDir',
-		args = { resolveDir(dir, node) },
+		args = { resolve(node, dir) },
 	})
 end
 
 function netfs.isReadOnly(node, dir)
-	if dir == node.mountPoint and node.directory == '' then
+	if dir == node.mountPoint and node.source == '' then
 		return false
 	end
 	return remoteCommand(node, {
 		fn = 'isReadOnly',
-		args = { resolveDir(dir, node) },
+		args = { resolve(node, dir) },
 	})
 end
 
 function netfs.getSize(node, dir)
-	if dir == node.mountPoint and node.directory == '' then
+	if dir == node.mountPoint and node.source == '' then
 		return 0
 	end
 	return remoteCommand(node, {
 		fn = 'getSize',
-		args = { resolveDir(dir, node) },
+		args = { resolve(node, dir) },
 	})
 end
 
 function netfs.find(node, spec)
-	spec = resolveDir(spec, node)
+	spec = resolve(node, spec)
 	local list = remoteCommand(node, {
 		fn = 'find',
 		args = { spec },
@@ -131,8 +130,8 @@ function netfs.find(node, spec)
 end
 
 function netfs.move(node, s, t)
-	s = resolveDir(s, node)
-	t = resolveDir(t, node)
+	s = resolve(node, s)
+	t = resolve(node, t)
 
 	return remoteCommand(node, {
 		fn = 'move',
@@ -141,7 +140,7 @@ function netfs.move(node, s, t)
 end
 
 function netfs.open(node, fn, fl)
-	fn = resolveDir(fn, node)
+	fn = resolve(node, fn)
 
 	local vfh = remoteCommand(node, {
 		fn = 'open',
diff --git a/sys/modules/opus/fs/ramfs.lua b/sys/modules/opus/fs/ramfs.lua
index a516d80..9681b0d 100644
--- a/sys/modules/opus/fs/ramfs.lua
+++ b/sys/modules/opus/fs/ramfs.lua
@@ -9,15 +9,28 @@ function ramfs.mount(_, nodeType)
 		return {
 			nodes = { },
 			size = 0,
+			created = os.epoch('utc'),
+			modification = os.epoch('utc'),
 		}
 	elseif nodeType == 'file' then
 		return {
 			size = 0,
+			created = os.epoch('utc'),
+			modification = os.epoch('utc'),
 		}
 	end
 	error('ramfs syntax: [directory, file]')
 end
 
+function ramfs.attributes(node)
+	return {
+		created = node.created,
+		isDir = not not node.nodes,
+		modification = node.modification,
+		size = node.size,
+	}
+end
+
 function ramfs.delete(node, dir)
 	if node.mountPoint == dir then
 		fs.unmount(node.mountPoint)
diff --git a/sys/modules/opus/fs/urlfs.lua b/sys/modules/opus/fs/urlfs.lua
index 3595cb3..96b7854 100644
--- a/sys/modules/opus/fs/urlfs.lua
+++ b/sys/modules/opus/fs/urlfs.lua
@@ -11,6 +11,17 @@ function urlfs.mount(_, url)
 	end
 	return {
 		url = url,
+		created = os.epoch('utc'),
+		modification = os.epoch('utc'),
+	}
+end
+
+function urlfs.attributes(node)
+	return {
+		created = node.created,
+		isDir = false,
+		modification = node.modification,
+		size = node.size or 0,
 	}
 end
 
diff --git a/sys/modules/opus/socket.lua b/sys/modules/opus/socket.lua
index 89afa4b..8aad0c9 100644
--- a/sys/modules/opus/socket.lua
+++ b/sys/modules/opus/socket.lua
@@ -6,12 +6,11 @@ local Util     = require('opus.util')
 
 local device    = _G.device
 local os        = _G.os
-local network   = _G.network
 
 local socketClass = { }
 
 function socketClass:read(timeout)
-	local data, distance = network.getTransport().read(self)
+	local data, distance = _G.network.getTransport().read(self)
 	if data then
 		return data, distance
 	end
@@ -26,7 +25,7 @@ function socketClass:read(timeout)
 		local e, id = os.pullEvent()
 
 		if e == 'transport_' .. self.uid then
-			data, distance = network.getTransport().read(self)
+			data, distance = _G.network.getTransport().read(self)
 			if data then
 				os.cancelTimer(timerId)
 				return data, distance
@@ -47,7 +46,7 @@ end
 
 function socketClass:write(data)
 	if self.connected then
-		network.getTransport().write(self, {
+		_G.network.getTransport().write(self, {
 			type = 'DATA',
 			seq = self.wseq,
 			data = data,
@@ -58,7 +57,7 @@ end
 
 function socketClass:ping()
 	if self.connected then
-		network.getTransport().ping(self)
+		_G.network.getTransport().ping(self)
 		return true
 	end
 end
@@ -72,7 +71,7 @@ function socketClass:close()
 		self.connected = false
 	end
 	device.wireless_modem.close(self.sport)
-	network.getTransport().close(self)
+	_G.network.getTransport().close(self)
 end
 
 local Socket = { }
@@ -127,9 +126,9 @@ function Socket.connect(host, port, options)
 	local socket = newSocket(host == os.getComputerID())
 	socket.dhost = tonumber(host)
 	if options and options.keypair then
-		socket.privKey, socket.pubKey = unpack(options.keypair)
+		socket.privKey, socket.pubKey = table.unpack(options.keypair)
 	else
-		socket.privKey, socket.pubKey = network.getKeyPair()
+		socket.privKey, socket.pubKey = _G.network.getKeyPair()
 	end
 	local identifier = options and options.identifier or Security.getIdentifier()
 
@@ -159,7 +158,7 @@ function Socket.connect(host, port, options)
 				socket.remotePubKey = Util.hexToByteArray(msg.pk)
 				socket.options = msg.options or { }
 				setupCrypto(socket, true)
-				network.getTransport().open(socket)
+				_G.network.getTransport().open(socket)
 				return socket
 
 			elseif msg.type == 'NOPASS' then
@@ -192,7 +191,7 @@ local function trusted(socket, msg, options)
 			if data and data.ts and tonumber(data.ts) then
 				if math.abs(os.epoch('utc') - data.ts) < 4096 then
 					socket.remotePubKey = Util.hexToByteArray(data.pk)
-					socket.privKey, socket.pubKey = network.getKeyPair()
+					socket.privKey, socket.pubKey = _G.network.getKeyPair()
 					setupCrypto(socket)
 					return true
 				end
@@ -241,7 +240,7 @@ function Socket.server(port, options)
 					options = socket.options.ENCRYPT and { ENCRYPT = true },
 				})
 
-				network.getTransport().open(socket)
+				_G.network.getTransport().open(socket)
 				return socket
 
 			else