diff --git a/rc.lua.blackburn b/rc.lua.blackburn
index 47e42c0..3f966a8 100644
--- a/rc.lua.blackburn
+++ b/rc.lua.blackburn
@@ -430,23 +430,23 @@ globalkeys = awful.util.table.join(
     -- ALSA volume control
     awful.key({ altkey }, "Up",
         function ()
-            awful.util.spawn(string.format("amixer -c %s set %s 1+", volumewidget.card, volumewidget.channel))
+            os.execute(string.format("amixer -c %s set %s 1+", volumewidget.card, volumewidget.channel))
             volumewidget.update()
         end),
     awful.key({ altkey }, "Down",
         function ()
-            awful.util.spawn(string.format("amixer -c %s set %s 1-", volumewidget.card, volumewidget.channel))
+            os.execute(string.format("amixer -c %s set %s 1-", volumewidget.card, volumewidget.channel))
             volumewidget.update()
         end),
     awful.key({ altkey }, "m",
         function ()
-            awful.util.spawn(string.format("amixer -c %s set %s toggle", volumewidget.card, volumewidget.channel))
-            --awful.util.spawn(string.format("amixer set %s toggle", volumewidget.channel))
+            os.execute(string.format("amixer -c %s set %s toggle", volumewidget.card, volumewidget.channel))
+            --os.execute(string.format("amixer set %s toggle", volumewidget.channel))
             volumewidget.update()
         end),
     awful.key({ altkey, "Control" }, "m",
         function ()
-            awful.util.spawn(string.format("amixer -c %s set %s 100%%", volumewidget.card, volumewidget.channel))
+            os.execute(string.format("amixer -c %s set %s 100%%", volumewidget.card, volumewidget.channel))
             volumewidget.update()
         end),
 
diff --git a/rc.lua.copland b/rc.lua.copland
index 7fd299c..0bb3ff5 100644
--- a/rc.lua.copland
+++ b/rc.lua.copland
@@ -500,23 +500,23 @@ globalkeys = awful.util.table.join(
     -- ALSA volume control
     awful.key({ altkey }, "Up",
         function ()
-            awful.util.spawn(string.format("amixer -c %s set %s %s+", volume.card, volume.channel, volume.step))
+            os.execute(string.format("amixer -c %s set %s %s+", volume.card, volume.channel, volume.step))
             volume.update()
         end),
     awful.key({ altkey }, "Down",
         function ()
-            awful.util.spawn(string.format("amixer -c %s set %s %s-", volume.card, volume.channel, volume.step))
+            os.execute(string.format("amixer -c %s set %s %s-", volume.card, volume.channel, volume.step))
             volume.update()
         end),
     awful.key({ altkey }, "m",
         function ()
-            awful.util.spawn(string.format("amixer -c %s set %s toggle", volume.card, volume.channel))
-            --awful.util.spawn(string.format("amixer set %s toggle", volume.card, volume.channel))
+            os.execute(string.format("amixer -c %s set %s toggle", volume.card, volume.channel))
+            --os.execute(string.format("amixer set %s toggle", volume.channel))
             volume.update()
         end),
     awful.key({ altkey, "Control" }, "m",
         function ()
-            awful.util.spawn(string.format("amixer -c %s set %s 100", volume.card, volume.channel))
+            os.execute(string.format("amixer -c %s set %s 100", volume.card, volume.channel))
             volume.update()
         end),
 
diff --git a/rc.lua.dremora b/rc.lua.dremora
index f0c03ca..6de0488 100644
--- a/rc.lua.dremora
+++ b/rc.lua.dremora
@@ -430,23 +430,23 @@ globalkeys = awful.util.table.join(
     -- ALSA volume control
     awful.key({ altkey }, "Up",
         function ()
-            awful.util.spawn(string.format("amixer -c %s set %s 1+", volumewidget.card, volumewidget.channel))
+            os.execute(string.format("amixer -c %s set %s 1+", volumewidget.card, volumewidget.channel))
             volumewidget.update()
         end),
     awful.key({ altkey }, "Down",
         function ()
-            awful.util.spawn(string.format("amixer -c %s set %s 1-", volumewidget.card, volumewidget.channel))
+            os.execute(string.format("amixer -c %s set %s 1-", volumewidget.card, volumewidget.channel))
             volumewidget.update()
         end),
     awful.key({ altkey }, "m",
         function ()
-            awful.util.spawn(string.format("amixer -c %s set %s toggle", volumewidget.card, volumewidget.channel))
-            --awful.util.spawn(string.format("amixer set %s toggle", volumewidget.channel))
+            os.execute(string.format("amixer -c %s set %s toggle", volumewidget.card, volumewidget.channel))
+            --os.execute(string.format("amixer set %s toggle", volumewidget.channel))
             volumewidget.update()
         end),
     awful.key({ altkey, "Control" }, "m",
         function ()
-            awful.util.spawn(string.format("amixer -c %s set %s 100%%", volumewidget.card, volumewidget.channel))
+            os.execute(string.format("amixer -c %s set %s 100%%", volumewidget.card, volumewidget.channel))
             volumewidget.update()
         end),
 
diff --git a/rc.lua.holo b/rc.lua.holo
index 1b21df5..1b25af0 100644
--- a/rc.lua.holo
+++ b/rc.lua.holo
@@ -563,23 +563,23 @@ globalkeys = awful.util.table.join(
     -- ALSA volume control
     awful.key({ altkey }, "Up",
         function ()
-            awful.util.spawn(string.format("amixer -c %s set %s %s+", myvolumebar.card, myvolumebar.channel, myvolumebar.step))
+            os.execute(string.format("amixer -c %s set %s %s+", myvolumebar.card, myvolumebar.channel, myvolumebar.step))
             myvolumebar.update()
         end),
     awful.key({ altkey }, "Down",
         function ()
-            awful.util.spawn(string.format("amixer -c %s set %s %s-", myvolumebar.card, myvolumebar.channel, myvolumebar.step))
+            os.execute(string.format("amixer -c %s set %s %s-", myvolumebar.card, myvolumebar.channel, myvolumebar.step))
             myvolumebar.update()
         end),
     awful.key({ altkey }, "m",
         function ()
-            awful.util.spawn(string.format("amixer -c %s set %s toggle", myvolumebar.card, myvolumebar.channel))
-            --awful.util.spawn(string.format("amixer set %s toggle", myvolumebar.card, myvolumebar.channel))
+            os.execute(string.format("amixer -c %s set %s toggle", myvolumebar.card, myvolumebar.channel))
+            --os.execute(string.format("amixer set %s toggle", myvolumebar.channel))
             myvolumebar.update()
         end),
     awful.key({ altkey, "Control" }, "m",
         function ()
-            awful.util.spawn(string.format("amixer -c %s set %s 100", myvolumebar.card, myvolumebar.channel))
+            os.execute(string.format("amixer -c %s set %s 100", myvolumebar.card, myvolumebar.channel))
             myvolumebar.update()
         end),
 
diff --git a/rc.lua.multicolor b/rc.lua.multicolor
deleted file mode 100644
index 691d0bd..0000000
--- a/rc.lua.multicolor
+++ /dev/null
@@ -1,766 +0,0 @@
---[[
-                                      
-     Multicolor Awesome WM config 2.0 
-     github.com/copycat-killer        
-                                      
---]]
-
--- {{{ Required libraries
-local gears     = require("gears")
-local awful     = require("awful")
-awful.rules     = require("awful.rules")
-                  require("awful.autofocus")
-local wibox     = require("wibox")
-local beautiful = require("beautiful")
-local naughty   = require("naughty")
-local drop      = require("scratchdrop")
-local lain      = require("lain")
--- }}}
-
--- {{{ Error handling
-if awesome.startup_errors then
-    naughty.notify({ preset = naughty.config.presets.critical,
-                     title = "Oops, there were errors during startup!",
-                     text = awesome.startup_errors })
-end
-
-do
-    local in_error = false
-    awesome.connect_signal("debug::error", function (err)
-        if in_error then return end
-        in_error = true
-
-        naughty.notify({ preset = naughty.config.presets.critical,
-                         title = "Oops, an error happened!",
-                         text = err })
-        in_error = false
-    end)
-end
--- }}}
-
--- {{{ Autostart applications
-function run_once(cmd)
-  findme = cmd
-  firstspace = cmd:find(" ")
-  if firstspace then
-     findme = cmd:sub(0, firstspace-1)
-  end
-  awful.util.spawn_with_shell("pgrep -u $USER -x " .. findme .. " > /dev/null || (" .. cmd .. ")")
-end
-
-run_once("urxvtd")
-run_once("unclutter -root")
--- }}}
-
--- {{{ Variable definitions
--- localization
-os.setlocale(os.getenv("LANG"))
-
--- beautiful init
-beautiful.init(os.getenv("HOME") .. "/.config/awesome/themes/multicolor/theme.lua")
-
--- common
-modkey     = "Mod4"
-altkey     = "Mod1"
-terminal   = "urxvtc" or "xterm"
-editor     = os.getenv("EDITOR") or "nano" or "vi"
-editor_cmd = terminal .. " -e " .. editor
-
--- user defined
-browser    = "dwb"
-browser2   = "iron"
-gui_editor = "gvim"
-graphics   = "gimp"
-mail       = terminal .. " -e mutt "
-
-local layouts = {
-    awful.layout.suit.floating,
-    awful.layout.suit.tile,
-    awful.layout.suit.tile.left,
-    awful.layout.suit.tile.bottom,
-    awful.layout.suit.tile.top,
-    awful.layout.suit.fair,
-    awful.layout.suit.fair.horizontal,
-    awful.layout.suit.spiral,
-    awful.layout.suit.spiral.dwindle,
-    awful.layout.suit.max,
-}
--- }}}
-
--- {{{ Tags
-tags = {
-   names = { "web", "term", "docs", "media", "files", "other" },
-   layout = { layouts[1], layouts[3], layouts[4], layouts[1], layouts[7], layouts[1] }
-}
-for s = 1, screen.count() do
--- Each screen has its own tag table.
-   tags[s] = awful.tag(tags.names, s, tags.layout)
-end
--- }}}
-
--- {{{ Wallpaper
-if beautiful.wallpaper then
-    for s = 1, screen.count() do
-        gears.wallpaper.maximized(beautiful.wallpaper, s, true)
-    end
-end
--- }}}
-
--- {{{ Freedesktop Menu
-mymainmenu = awful.menu.new({ items = require("menugen").build_menu(),
-                              theme = { height = 16, width = 130 }})
--- }}}
-
--- {{{ Wibox
-markup      = lain.util.markup
-
--- Textclock
-clockicon = wibox.widget.imagebox(beautiful.widget_clock)
-mytextclock = awful.widget.textclock(markup("#7788af", "%A %d %B ") .. markup("#343639", ">") .. markup("#de5e1e", " %H:%M "))
-
--- Calendar
-lain.widgets.calendar:attach(mytextclock, { font_size = 10 })
-
--- Weather
-weathericon = wibox.widget.imagebox(beautiful.widget_weather)
-yawn = lain.widgets.yawn(123456, {
-    settings = function()
-        widget:set_markup(markup("#eca4c4", forecast:lower() .. " @ " .. units .. "°C "))
-    end
-})
-
--- / fs
-fsicon = wibox.widget.imagebox(beautiful.widget_fs)
-fswidget = lain.widgets.fs({
-    settings  = function()
-        widget:set_markup(markup("#80d9d8", fs_now.used .. "% "))
-    end
-})
-
---[[ Mail IMAP check
--- commented because it needs to be set before use
-mailicon = wibox.widget.imagebox()
-mailicon:buttons(awful.util.table.join(awful.button({ }, 1, function () awful.util.spawn(mail) end)))
-mailwidget = lain.widgets.imap({
-    timeout  = 180,
-    server   = "server",
-    mail     = "mail",
-    password = "keyring get mail",
-    settings = function()
-        if mailcount > 0 then
-            mailicon:set_image(beautiful.widget_mail)
-            widget:set_markup(markup("#cccccc", mailcount .. " "))
-        else
-            widget:set_text("")
-            mailicon:set_image(nil)
-        end
-    end
-})
-]]
-
--- CPU
-cpuicon = wibox.widget.imagebox()
-cpuicon:set_image(beautiful.widget_cpu)
-cpuwidget = lain.widgets.cpu({
-    settings = function()
-        widget:set_markup(markup("#e33a6e", cpu_now.usage .. "% "))
-    end
-})
-
--- Coretemp
-tempicon = wibox.widget.imagebox(beautiful.widget_temp)
-tempwidget = lain.widgets.temp({
-    settings = function()
-        widget:set_markup(markup("#f1af5f", coretemp_now .. "°C "))
-    end
-})
-
--- Battery
-baticon = wibox.widget.imagebox(beautiful.widget_batt)
-batwidget = lain.widgets.bat({
-    settings = function()
-        if bat_now.perc == "N/A" then
-            perc = "AC "
-        else
-            perc = bat_now.perc .. "% "
-        end
-        widget:set_text(perc)
-    end
-})
-
--- ALSA volume
-volicon = wibox.widget.imagebox(beautiful.widget_vol)
-volumewidget = lain.widgets.alsa({
-    settings = function()
-        if volume_now.status == "off" then
-            volume_now.level = volume_now.level .. "M"
-        end
-
-        widget:set_markup(markup("#7493d2", volume_now.level .. "% "))
-    end
-})
-
--- Net
-netdownicon = wibox.widget.imagebox(beautiful.widget_netdown)
---netdownicon.align = "middle"
-netdowninfo = wibox.widget.textbox()
-netupicon = wibox.widget.imagebox(beautiful.widget_netup)
---netupicon.align = "middle"
-netupinfo = lain.widgets.net({
-    settings = function()
-        if iface ~= "network off" and
-           string.match(yawn.widget._layout.text, "N/A")
-        then
-            yawn.fetch_weather()
-        end
-
-        widget:set_markup(markup("#e54c62", net_now.sent .. " "))
-        netdowninfo:set_markup(markup("#87af5f", net_now.received .. " "))
-    end
-})
-
--- MEM
-memicon = wibox.widget.imagebox(beautiful.widget_mem)
-memwidget = lain.widgets.mem({
-    settings = function()
-        widget:set_markup(markup("#e0da37", mem_now.used .. "M "))
-    end
-})
-
--- MPD
-mpdicon = wibox.widget.imagebox()
-mpdwidget = lain.widgets.mpd({
-    settings = function()
-        mpd_notification_preset = {
-            text = string.format("%s [%s] - %s\n%s", mpd_now.artist,
-                   mpd_now.album, mpd_now.date, mpd_now.title)
-        }
-
-        if mpd_now.state == "play" then
-            artist = mpd_now.artist .. " > "
-            title  = mpd_now.title .. " "
-            mpdicon:set_image(beautiful.widget_note_on)
-        elseif mpd_now.state == "pause" then
-            artist = "mpd "
-            title  = "paused "
-        else
-            artist = ""
-            title  = ""
-            mpdicon:set_image(nil)
-        end
-        widget:set_markup(markup("#e54c62", artist) .. markup("#b2b2b2", title))
-    end
-})
-
--- Spacer
-spacer = wibox.widget.textbox(" ")
-
--- }}}
-
--- {{{ Layout
-
--- Create a wibox for each screen and add it
-mywibox = {}
-mybottomwibox = {}
-mypromptbox = {}
-mylayoutbox = {}
-mytaglist = {}
-mytaglist.buttons = awful.util.table.join(
-                    awful.button({ }, 1, awful.tag.viewonly),
-                    awful.button({ modkey }, 1, awful.client.movetotag),
-                    awful.button({ }, 3, awful.tag.viewtoggle),
-                    awful.button({ modkey }, 3, awful.client.toggletag),
-                    awful.button({ }, 4, function(t) awful.tag.viewnext(awful.tag.getscreen(t)) end),
-                    awful.button({ }, 5, function(t) awful.tag.viewprev(awful.tag.getscreen(t)) end)
-                    )
-mytasklist = {}
-mytasklist.buttons = awful.util.table.join(
-                     awful.button({ }, 1, function (c)
-                                              if c == client.focus then
-                                                  c.minimized = true
-                                              else
-                                                  -- Without this, the following
-                                                  -- :isvisible() makes no sense
-                                                  c.minimized = false
-                                                  if not c:isvisible() then
-                                                      awful.tag.viewonly(c:tags()[1])
-                                                  end
-                                                  -- This will also un-minimize
-                                                  -- the client, if needed
-                                                  client.focus = c
-                                                  c:raise()
-                                              end
-                                          end),
-                     awful.button({ }, 3, function ()
-                                              if instance then
-                                                  instance:hide()
-                                                  instance = nil
-                                              else
-                                                  instance = awful.menu.clients({ width=250 })
-                                              end
-                                          end),
-                     awful.button({ }, 4, function ()
-                                              awful.client.focus.byidx(1)
-                                              if client.focus then client.focus:raise() end
-                                          end),
-                     awful.button({ }, 5, function ()
-                                              awful.client.focus.byidx(-1)
-                                              if client.focus then client.focus:raise() end
-                                          end))
-
-for s = 1, screen.count() do
-
-    -- Create a promptbox for each screen
-    mypromptbox[s] = awful.widget.prompt()
-
-
-    -- We need one layoutbox per screen.
-    mylayoutbox[s] = awful.widget.layoutbox(s)
-    mylayoutbox[s]:buttons(awful.util.table.join(
-                            awful.button({ }, 1, function () awful.layout.inc(layouts, 1) end),
-                            awful.button({ }, 3, function () awful.layout.inc(layouts, -1) end),
-                            awful.button({ }, 4, function () awful.layout.inc(layouts, 1) end),
-                            awful.button({ }, 5, function () awful.layout.inc(layouts, -1) end)))
-
-    -- Create a taglist widget
-    mytaglist[s] = awful.widget.taglist(s, awful.widget.taglist.filter.all, mytaglist.buttons)
-
-    -- Create a tasklist widget
-    mytasklist[s] = awful.widget.tasklist(s, awful.widget.tasklist.filter.currenttags, mytasklist.buttons)
-
-    -- Create the upper wibox
-    mywibox[s] = awful.wibox({ position = "top", screen = s, height = 20 })
-    --border_width = 0, height =  20 })
-
-    -- Widgets that are aligned to the upper left
-    local left_layout = wibox.layout.fixed.horizontal()
-    left_layout:add(mytaglist[s])
-    left_layout:add(mypromptbox[s])
-    left_layout:add(mpdicon)
-    left_layout:add(mpdwidget)
-
-    -- Widgets that are aligned to the upper right
-    local right_layout = wibox.layout.fixed.horizontal()
-    if s == 1 then right_layout:add(wibox.widget.systray()) end
-    --right_layout:add(mailicon)
-    --right_layout:add(mailwidget)
-    right_layout:add(netdownicon)
-    right_layout:add(netdowninfo)
-    right_layout:add(netupicon)
-    right_layout:add(netupinfo)
-    right_layout:add(volicon)
-    right_layout:add(volumewidget)
-    right_layout:add(memicon)
-    right_layout:add(memwidget)
-    right_layout:add(cpuicon)
-    right_layout:add(cpuwidget)
-    right_layout:add(fsicon)
-    right_layout:add(fswidget)
-    right_layout:add(weathericon)
-    right_layout:add(yawn.widget)
-    right_layout:add(tempicon)
-    right_layout:add(tempwidget)
-    right_layout:add(baticon)
-    right_layout:add(batwidget)
-    right_layout:add(clockicon)
-    right_layout:add(mytextclock)
-
-    -- Now bring it all together (with the tasklist in the middle)
-    local layout = wibox.layout.align.horizontal()
-    layout:set_left(left_layout)
-    --layout:set_middle(mytasklist[s])
-    layout:set_right(right_layout)
-
-    mywibox[s]:set_widget(layout)
-
-    -- Create the bottom wibox
-    mybottomwibox[s] = awful.wibox({ position = "bottom", screen = s, border_width = 0, height = 20 })
-    --mybottomwibox[s].visible = false
-
-    -- Widgets that are aligned to the bottom left
-    bottom_left_layout = wibox.layout.fixed.horizontal()
-
-    -- Widgets that are aligned to the bottom right
-    bottom_right_layout = wibox.layout.fixed.horizontal()
-    bottom_right_layout:add(mylayoutbox[s])
-
-    -- Now bring it all together (with the tasklist in the middle)
-    bottom_layout = wibox.layout.align.horizontal()
-    bottom_layout:set_left(bottom_left_layout)
-    bottom_layout:set_middle(mytasklist[s])
-    bottom_layout:set_right(bottom_right_layout)
-    mybottomwibox[s]:set_widget(bottom_layout)
-end
--- }}}
-
--- {{{ Mouse Bindings
-root.buttons(awful.util.table.join(
-    awful.button({ }, 3, function () mymainmenu:toggle() end),
-    awful.button({ }, 4, awful.tag.viewnext),
-    awful.button({ }, 5, awful.tag.viewprev)
-))
--- }}}
-
--- {{{ Key bindings
-globalkeys = awful.util.table.join(
-    -- Take a screenshot
-    -- https://github.com/copycat-killer/dots/blob/master/bin/screenshot
-    awful.key({ altkey }, "p", function() os.execute("screenshot") end),
-
-    -- Tag browsing
-    awful.key({ modkey }, "Left",   awful.tag.viewprev       ),
-    awful.key({ modkey }, "Right",  awful.tag.viewnext       ),
-    awful.key({ modkey }, "Escape", awful.tag.history.restore),
-
-    -- Non-empty tag browsing
-    awful.key({ altkey }, "Left", function () lain.util.tag_view_nonempty(-1) end),
-    awful.key({ altkey }, "Right", function () lain.util.tag_view_nonempty(1) end),
-
-    -- Default client focus
-    awful.key({ altkey }, "k",
-        function ()
-            awful.client.focus.byidx( 1)
-            if client.focus then client.focus:raise() end
-        end),
-    awful.key({ altkey }, "j",
-        function ()
-            awful.client.focus.byidx(-1)
-            if client.focus then client.focus:raise() end
-        end),
-
-    -- By direction client focus
-    awful.key({ modkey }, "j",
-        function()
-            awful.client.focus.bydirection("down")
-            if client.focus then client.focus:raise() end
-        end),
-    awful.key({ modkey }, "k",
-        function()
-            awful.client.focus.bydirection("up")
-            if client.focus then client.focus:raise() end
-        end),
-    awful.key({ modkey }, "h",
-        function()
-            awful.client.focus.bydirection("left")
-            if client.focus then client.focus:raise() end
-        end),
-    awful.key({ modkey }, "l",
-        function()
-            awful.client.focus.bydirection("right")
-            if client.focus then client.focus:raise() end
-        end),
-
-    -- Show Menu
-    awful.key({ modkey }, "w",
-        function ()
-            mymainmenu:show({ keygrabber = true })
-        end),
-
-    -- Show/Hide Wibox
-    awful.key({ modkey }, "b", function ()
-        mywibox[mouse.screen].visible = not mywibox[mouse.screen].visible
-        mybottomwibox[mouse.screen].visible = not mybottomwibox[mouse.screen].visible
-    end),
-
-    -- Layout manipulation
-    awful.key({ modkey, "Shift"   }, "j", function () awful.client.swap.byidx(  1)    end),
-    awful.key({ modkey, "Shift"   }, "k", function () awful.client.swap.byidx( -1)    end),
-    awful.key({ modkey, "Control" }, "j", function () awful.screen.focus_relative( 1) end),
-    awful.key({ modkey, "Control" }, "k", function () awful.screen.focus_relative(-1) end),
-    awful.key({ modkey,           }, "u", awful.client.urgent.jumpto),
-    awful.key({ modkey,           }, "Tab",
-        function ()
-            awful.client.focus.history.previous()
-            if client.focus then
-                client.focus:raise()
-            end
-        end),
-    awful.key({ altkey, "Shift"   }, "l",      function () awful.tag.incmwfact( 0.05)     end),
-    awful.key({ altkey, "Shift"   }, "h",      function () awful.tag.incmwfact(-0.05)     end),
-    awful.key({ modkey, "Shift"   }, "l",      function () awful.tag.incnmaster(-1)       end),
-    awful.key({ modkey, "Shift"   }, "h",      function () awful.tag.incnmaster( 1)       end),
-    awful.key({ modkey, "Control" }, "l",      function () awful.tag.incncol(-1)          end),
-    awful.key({ modkey, "Control" }, "h",      function () awful.tag.incncol( 1)          end),
-    awful.key({ modkey,           }, "space",  function () awful.layout.inc(layouts,  1)  end),
-    awful.key({ modkey, "Shift"   }, "space",  function () awful.layout.inc(layouts, -1)  end),
-    awful.key({ modkey, "Control" }, "n",      awful.client.restore),
-
-    -- Standard program
-    awful.key({ modkey,           }, "Return", function () awful.util.spawn(terminal) end),
-    awful.key({ modkey, "Control" }, "r",      awesome.restart),
-    awful.key({ modkey, "Shift"   }, "q",      awesome.quit),
-
-    -- Dropdown terminal
-    awful.key({ modkey,	          }, "z",      function () drop(terminal) end),
-
-    -- Widgets popups
-    awful.key({ altkey,           }, "c",      function () lain.widgets.calendar:show(7) end),
-    awful.key({ altkey,           }, "h",      function () fswidget.show(7) end),
-    awful.key({ altkey,           }, "w",      function () yawn.show(7) end),
-
-    -- ALSA volume control
-    awful.key({ altkey }, "Up",
-        function ()
-            awful.util.spawn(string.format("amixer -c %s set %s 1+", volumewidget.card, volumewidget.channel))
-            volumewidget.update()
-        end),
-    awful.key({ altkey }, "Down",
-        function ()
-            awful.util.spawn(string.format("amixer -c %s set %s 1-", volumewidget.card, volumewidget.channel))
-            volumewidget.update()
-        end),
-    awful.key({ altkey }, "m",
-        function ()
-            awful.util.spawn(string.format("amixer -c %s set %s toggle", volumewidget.card, volumewidget.channel))
-            --awful.util.spawn(string.format("amixer set %s toggle", volumewidget.channel))
-            volumewidget.update()
-        end),
-    awful.key({ altkey, "Control" }, "m",
-        function ()
-            awful.util.spawn(string.format("amixer -c %s set %s 100%%", volumewidget.card, volumewidget.channel))
-            volumewidget.update()
-        end),
-
-    -- MPD control
-    awful.key({ altkey, "Control" }, "Up",
-        function ()
-            awful.util.spawn_with_shell("mpc toggle || ncmpc toggle || pms toggle")
-            mpdwidget.update()
-        end),
-    awful.key({ altkey, "Control" }, "Down",
-        function ()
-            awful.util.spawn_with_shell("mpc stop || ncmpc stop || pms stop")
-            mpdwidget.update()
-        end),
-    awful.key({ altkey, "Control" }, "Left",
-        function ()
-            awful.util.spawn_with_shell("mpc prev || ncmpc prev || pms prev")
-            mpdwidget.update()
-        end),
-    awful.key({ altkey, "Control" }, "Right",
-        function ()
-            awful.util.spawn_with_shell("mpc next || ncmpc next || pms next")
-            mpdwidget.update()
-        end),
-
-    -- Copy to clipboard
-    awful.key({ modkey }, "c", function () os.execute("xsel -p -o | xsel --clipboard") end),
-
-    -- User programs
-    awful.key({ modkey }, "q", function () awful.util.spawn(browser) end),
-    awful.key({ modkey }, "i", function () awful.util.spawn(browser2) end),
-    awful.key({ modkey }, "s", function () awful.util.spawn(gui_editor) end),
-    awful.key({ modkey }, "g", function () awful.util.spawn(graphics) end),
-
-    -- Prompt
-    awful.key({ modkey }, "r", function () mypromptbox[mouse.screen]:run() end),
-    awful.key({ modkey }, "x",
-              function ()
-                  awful.prompt.run({ prompt = "Run Lua code: " },
-                  mypromptbox[mouse.screen].widget,
-                  awful.util.eval, nil,
-                  awful.util.getdir("cache") .. "/history_eval")
-              end)
-)
-
-clientkeys = awful.util.table.join(
-    awful.key({ modkey,           }, "f",      function (c) c.fullscreen = not c.fullscreen  end),
-    awful.key({ modkey, "Shift"   }, "c",      function (c) c:kill()                         end),
-    awful.key({ modkey, "Control" }, "space",  awful.client.floating.toggle                     ),
-    awful.key({ modkey, "Control" }, "Return", function (c) c:swap(awful.client.getmaster()) end),
-    awful.key({ modkey,           }, "o",      awful.client.movetoscreen                        ),
-    awful.key({ modkey,           }, "t",      function (c) c.ontop = not c.ontop            end),
-    awful.key({ modkey,           }, "n",
-        function (c)
-            -- The client currently has the input focus, so it cannot be
-            -- minimized, since minimized clients can't have the focus.
-            c.minimized = true
-        end),
-    awful.key({ modkey,           }, "m",
-        function (c)
-            c.maximized_horizontal = not c.maximized_horizontal
-            c.maximized_vertical   = not c.maximized_vertical
-        end)
-)
-
--- Bind all key numbers to tags.
--- be careful: we use keycodes to make it works on any keyboard layout.
--- This should map on the top row of your keyboard, usually 1 to 9.
-for i = 1, 9 do
-    globalkeys = awful.util.table.join(globalkeys,
-        -- View tag only.
-        awful.key({ modkey }, "#" .. i + 9,
-                  function ()
-                        local screen = mouse.screen
-                        local tag = awful.tag.gettags(screen)[i]
-                        if tag then
-                           awful.tag.viewonly(tag)
-                        end
-                  end),
-        -- Toggle tag.
-        awful.key({ modkey, "Control" }, "#" .. i + 9,
-                  function ()
-                      local screen = mouse.screen
-                      local tag = awful.tag.gettags(screen)[i]
-                      if tag then
-                         awful.tag.viewtoggle(tag)
-                      end
-                  end),
-        -- Move client to tag.
-        awful.key({ modkey, "Shift" }, "#" .. i + 9,
-                  function ()
-                      if client.focus then
-                          local tag = awful.tag.gettags(client.focus.screen)[i]
-                          if tag then
-                              awful.client.movetotag(tag)
-                          end
-                     end
-                  end),
-        -- Toggle tag.
-        awful.key({ modkey, "Control", "Shift" }, "#" .. i + 9,
-                  function ()
-                      if client.focus then
-                          local tag = awful.tag.gettags(client.focus.screen)[i]
-                          if tag then
-                              awful.client.toggletag(tag)
-                          end
-                      end
-                  end))
-end
-
-clientbuttons = awful.util.table.join(
-    awful.button({ }, 1, function (c) client.focus = c; c:raise() end),
-    awful.button({ modkey }, 1, awful.mouse.client.move),
-    awful.button({ modkey }, 3, awful.mouse.client.resize))
-
--- Set keys
-root.keys(globalkeys)
--- }}}
-
--- {{{ Rules
-awful.rules.rules = {
-    -- All clients will match this rule.
-    { rule = { },
-      properties = { border_width = beautiful.border_width,
-                     border_color = beautiful.border_normal,
-                     focus = awful.client.focus.filter,
-                     keys = clientkeys,
-                     buttons = clientbuttons,
-	                   size_hints_honor = false } },
-    { rule = { class = "URxvt" },
-          properties = { opacity = 0.99 } },
-
-    { rule = { class = "MPlayer" },
-          properties = { floating = true } },
-
-    { rule = { class = "Dwb" },
-          properties = { tag = tags[1][1] } },
-
-    { rule = { class = "Iron" },
-          properties = { tag = tags[1][1] } },
-
-    { rule = { instance = "plugin-container" },
-          properties = { tag = tags[1][1] } },
-
-	  { rule = { class = "Gimp" },
-     	    properties = { tag = tags[1][4] } },
-
-    { rule = { class = "Gimp", role = "gimp-image-window" },
-          properties = { maximized_horizontal = true,
-                         maximized_vertical = true } },
-}
--- }}}
-
--- {{{ Signals
--- signal function to execute when a new client appears.
-local sloppyfocus_last = {c=nil}
-client.connect_signal("manage", function (c, startup)
-    -- Enable sloppy focus
-    client.connect_signal("mouse::enter", function(c)
-         if awful.layout.get(c.screen) ~= awful.layout.suit.magnifier
-            and awful.client.focus.filter(c) then
-             -- Skip focusing the client if the mouse wasn't moved.
-             if c ~= sloppyfocus_last.c then
-                 client.focus = c
-                 sloppyfocus_last.c = c
-             end
-         end
-     end)
-
-    local titlebars_enabled = false
-    if titlebars_enabled and (c.type == "normal" or c.type == "dialog") then
-        -- buttons for the titlebar
-        local buttons = awful.util.table.join(
-                awful.button({ }, 1, function()
-                    client.focus = c
-                    c:raise()
-                    awful.mouse.client.move(c)
-                end),
-                awful.button({ }, 3, function()
-                    client.focus = c
-                    c:raise()
-                    awful.mouse.client.resize(c)
-                end)
-                )
-
-        -- widgets that are aligned to the right
-        local right_layout = wibox.layout.fixed.horizontal()
-        right_layout:add(awful.titlebar.widget.floatingbutton(c))
-        right_layout:add(awful.titlebar.widget.maximizedbutton(c))
-        right_layout:add(awful.titlebar.widget.stickybutton(c))
-        right_layout:add(awful.titlebar.widget.ontopbutton(c))
-        right_layout:add(awful.titlebar.widget.closebutton(c))
-
-        -- the title goes in the middle
-        local middle_layout = wibox.layout.flex.horizontal()
-        local title = awful.titlebar.widget.titlewidget(c)
-        title:set_align("center")
-        middle_layout:add(title)
-        middle_layout:buttons(buttons)
-
-        -- now bring it all together
-        local layout = wibox.layout.align.horizontal()
-        layout:set_right(right_layout)
-        layout:set_middle(middle_layout)
-
-        awful.titlebar(c,{size=16}):set_widget(layout)
-    end
-end)
-
--- No border for maximized clients
-client.connect_signal("focus",
-    function(c)
-        if c.maximized_horizontal == true and c.maximized_vertical == true then
-            c.border_color = beautiful.border_normal
-        else
-            c.border_color = beautiful.border_focus
-        end
-    end)
-client.connect_signal("unfocus", function(c) c.border_color = beautiful.border_normal end)
--- }}}
-
--- {{{ Arrange signal handler
-for s = 1, screen.count() do screen[s]:connect_signal("arrange", function ()
-        local clients = awful.client.visible(s)
-        local layout  = awful.layout.getname(awful.layout.get(s))
-
-        if #clients > 0 then -- Fine grained borders and floaters control
-            for _, c in pairs(clients) do -- Floaters always have borders
-                -- No borders with only one humanly visible client
-                if layout == "max" then
-                    c.border_width = 0
-                elseif awful.client.floating.get(c) or layout == "floating" then
-                    c.border_width = beautiful.border_width
-                elseif #clients == 1 then
-                    clients[1].border_width = 0
-                    if layout ~= "max" then
-                        awful.client.moveresize(0, 0, 2, 0, clients[1])
-                    end
-                else
-                    c.border_width = beautiful.border_width
-                end
-            end
-        end
-      end)
-end
--- }}}
diff --git a/rc.lua.powerarrow-darker b/rc.lua.powerarrow-darker
index b81b677..14cf42c 100644
--- a/rc.lua.powerarrow-darker
+++ b/rc.lua.powerarrow-darker
@@ -476,23 +476,23 @@ globalkeys = awful.util.table.join(
     -- ALSA volume control
     awful.key({ altkey }, "Up",
         function ()
-            awful.util.spawn(string.format("amixer -c %s set %s 1+", volumewidget.card, volumewidget.channel))
+            os.execute(string.format("amixer -c %s set %s 1+", volumewidget.card, volumewidget.channel))
             volumewidget.update()
         end),
     awful.key({ altkey }, "Down",
         function ()
-            awful.util.spawn(string.format("amixer -c %s set %s 1-", volumewidget.card, volumewidget.channel))
+            os.execute(string.format("amixer -c %s set %s 1-", volumewidget.card, volumewidget.channel))
             volumewidget.update()
         end),
     awful.key({ altkey }, "m",
         function ()
-            awful.util.spawn(string.format("amixer -c %s set %s toggle", volumewidget.card, volumewidget.channel))
-            --awful.util.spawn(string.format("amixer set %s toggle", volumewidget.channel))
+            os.execute(string.format("amixer -c %s set %s toggle", volumewidget.card, volumewidget.channel))
+            --os.execute(string.format("amixer set %s toggle", volumewidget.channel))
             volumewidget.update()
         end),
     awful.key({ altkey, "Control" }, "m",
         function ()
-            awful.util.spawn(string.format("amixer -c %s set %s 100%%", volumewidget.card, volumewidget.channel))
+            os.execute(string.format("amixer -c %s set %s 100%%", volumewidget.card, volumewidget.channel))
             volumewidget.update()
         end),
 
diff --git a/rc.lua.rainbow b/rc.lua.rainbow
index fc1fc20..0006ecf 100644
--- a/rc.lua.rainbow
+++ b/rc.lua.rainbow
@@ -428,23 +428,23 @@ globalkeys = awful.util.table.join(
     -- ALSA volume control
     awful.key({ altkey }, "Up",
         function ()
-            awful.util.spawn(string.format("amixer -c %s set %s %s+", volume.card, volume.channel, volume.step))
+            os.execute(string.format("amixer -c %s set %s %s+", volume.card, volume.channel, volume.step))
             volume.update()
         end),
     awful.key({ altkey }, "Down",
         function ()
-            awful.util.spawn(string.format("amixer -c %s set %s %s-", volume.card, volume.channel, volume.step))
+            os.execute(string.format("amixer -c %s set %s %s-", volume.card, volume.channel, volume.step))
             volume.update()
         end),
     awful.key({ altkey }, "m",
         function ()
-            awful.util.spawn(string.format("amixer -c %s set %s toggle", volume.card, volume.channel))
-            --awful.util.spawn(string.format("amixer set %s toggle", volume.card, volume.channel))
+            os.execute(string.format("amixer -c %s set %s toggle", volume.card, volume.channel))
+            --os.execute(string.format("amixer set %s toggle", volume.channel))
             volume.update()
         end),
     awful.key({ altkey, "Control" }, "m",
         function ()
-            awful.util.spawn(string.format("amixer -c %s set %s 100", volume.card, volume.channel))
+            os.execute(string.format("amixer -c %s set %s 100", volume.card, volume.channel))
             volume.update()
         end),
 
diff --git a/rc.lua.steamburn b/rc.lua.steamburn
index 074a858..0ddc8f3 100644
--- a/rc.lua.steamburn
+++ b/rc.lua.steamburn
@@ -437,23 +437,23 @@ globalkeys = awful.util.table.join(
     -- ALSA volume control
     awful.key({ altkey }, "Up",
         function ()
-            awful.util.spawn(string.format("amixer -c %s set %s 1+", volumewidget.card, volumewidget.channel))
+            os.execute(string.format("amixer -c %s set %s 1+", volumewidget.card, volumewidget.channel))
             volumewidget.update()
         end),
     awful.key({ altkey }, "Down",
         function ()
-            awful.util.spawn(string.format("amixer -c %s set %s 1-", volumewidget.card, volumewidget.channel))
+            os.execute(string.format("amixer -c %s set %s 1-", volumewidget.card, volumewidget.channel))
             volumewidget.update()
         end),
     awful.key({ altkey }, "m",
         function ()
-            awful.util.spawn(string.format("amixer -c %s set %s toggle", volumewidget.card, volumewidget.channel))
-            --awful.util.spawn(string.format("amixer set %s toggle", volumewidget.channel))
+            os.execute(string.format("amixer -c %s set %s toggle", volumewidget.card, volumewidget.channel))
+            --os.execute(string.format("amixer set %s toggle", volumewidget.channel))
             volumewidget.update()
         end),
     awful.key({ altkey, "Control" }, "m",
         function ()
-            awful.util.spawn(string.format("amixer -c %s set %s 100%%", volumewidget.card, volumewidget.channel))
+            os.execute(string.format("amixer -c %s set %s 100%%", volumewidget.card, volumewidget.channel))
             volumewidget.update()
         end),