diff --git a/src/main/resources/assets/opencomputers/loot/openos/bin/hostname.lua b/src/main/resources/assets/opencomputers/loot/openos/bin/hostname.lua
index 4e88379aa..072dd720b 100644
--- a/src/main/resources/assets/opencomputers/loot/openos/bin/hostname.lua
+++ b/src/main/resources/assets/opencomputers/loot/openos/bin/hostname.lua
@@ -1,22 +1,30 @@
-local args = {...}
-if args[1] then
+local shell = require("shell")
+local args, ops = shell.parse(...)
+local hostname = args[1]
+
+if hostname then
   local file, reason = io.open("/etc/hostname", "w")
   if not file then
-    io.stderr:write(reason .. "\n")
+    io.stderr:write("failed to open for writing: ", reason, "\n")
     return 1
-  else
-    file:write(args[1])
-    file:close()
-    os.setenv("HOSTNAME", args[1])
-    os.setenv("PS1", "$HOSTNAME:$PWD# ")
   end
+  file:write(hostname)
+  file:close()
+  ops.update = true
 else
   local file = io.open("/etc/hostname")
   if file then
-    io.write(file:read("*l"), "\n")
+    hostname = file:read("*l")
     file:close()
-  else
-    io.stderr:write("Hostname not set\n")
-    return 1
   end
 end
+
+if ops.update then
+  os.setenv("HOSTNAME_SEPARATOR", hostname and #hostname > 0 and ":" or "")
+  os.setenv("HOSTNAME", hostname)
+elseif hostname then
+  print(hostname)
+else
+  io.stderr:write("Hostname not set\n")
+  return 1
+end
diff --git a/src/main/resources/assets/opencomputers/loot/openos/boot/02_os.lua b/src/main/resources/assets/opencomputers/loot/openos/boot/02_os.lua
index ee6a39649..cacddd419 100644
--- a/src/main/resources/assets/opencomputers/loot/openos/boot/02_os.lua
+++ b/src/main/resources/assets/opencomputers/loot/openos/boot/02_os.lua
@@ -24,32 +24,23 @@ function os.getenv(varname)
   local env = env()
   if not varname then
     return env
+  elseif varname == '#' then
+    return #env
   end
   return env[varname]
 end
 
 function os.setenv(varname, value)
   checkArg(1, varname, "string", "number")
-  if value == nil then
-    env()[varname] = nil
-  else
-    local success, val = pcall(tostring, value)
-    if success then
-      env()[varname] = val
-      return val
-    else
-      return nil, val
-    end
+  if value ~= nil then
+    value = tostring(value)
   end
+  env()[varname] = value
+  return value
 end
 
-function os.remove(...)
-  return fs.remove(...)
-end
-
-function os.rename(...)
-  return fs.rename(...)
-end
+os.remove = fs.remove
+os.rename = fs.rename
 
 function os.sleep(timeout)
   checkArg(1, timeout, "number", "nil")
diff --git a/src/main/resources/assets/opencomputers/loot/openos/boot/91_gpu.lua b/src/main/resources/assets/opencomputers/loot/openos/boot/91_gpu.lua
index 7475b11c9..3996b3583 100644
--- a/src/main/resources/assets/opencomputers/loot/openos/boot/91_gpu.lua
+++ b/src/main/resources/assets/opencomputers/loot/openos/boot/91_gpu.lua
@@ -6,7 +6,7 @@ local function onComponentAvailable(_, componentType)
      (componentType == "gpu" and component.isAvailable("screen"))
   then
     component.gpu.bind(component.screen.address)
-    local depth = 2^(component.gpu.getDepth())
+    local depth = math.floor(2^(component.gpu.getDepth()))
     os.setenv("TERM", "term-"..depth.."color")
     require("computer").pushSignal("gpu_bound", component.gpu.address, component.screen.address)
   end
diff --git a/src/main/resources/assets/opencomputers/loot/openos/boot/93_term.lua b/src/main/resources/assets/opencomputers/loot/openos/boot/93_term.lua
index 8382903d3..7b4036dc7 100644
--- a/src/main/resources/assets/opencomputers/loot/openos/boot/93_term.lua
+++ b/src/main/resources/assets/opencomputers/loot/openos/boot/93_term.lua
@@ -32,6 +32,9 @@ local function components_changed(ename, address, type)
       -- recheck what kb to use
       window.keyboard = nil
     end
+    if (type == "screen" or type == "gpu") and not tty.isAvailable() then
+      computer.pushSignal("term_unavailable")
+    end
   elseif (ename == "component_added" or ename == "component_available") and type == "keyboard" then
   -- we need to clear the current terminals cached keyboard (if any) when
   -- a new keyboard becomes available. This is in case the new keyboard was
@@ -43,10 +46,6 @@ local function components_changed(ename, address, type)
   -- primary keyboard is a valid keyboard (weird, in my opinion)
     window.keyboard = nil
   end
-
-  if (type == "screen" or type == "gpu") and not tty.isAvailable() then
-    computer.pushSignal("term_unavailable")
-  end
 end
 
 event.listen("component_removed",     components_changed)
diff --git a/src/main/resources/assets/opencomputers/loot/openos/boot/94_shell.lua b/src/main/resources/assets/opencomputers/loot/openos/boot/94_shell.lua
index 3074ce6ee..e8847a8cf 100644
--- a/src/main/resources/assets/opencomputers/loot/openos/boot/94_shell.lua
+++ b/src/main/resources/assets/opencomputers/loot/openos/boot/94_shell.lua
@@ -1,10 +1,3 @@
-local shell = require("shell")
-
-require("event").listen("init", function()
-  local file = io.open("/etc/hostname")
-  if file then
-    os.setenv("HOSTNAME", file:read("*l"))
-    os.setenv("PS1", "$HOSTNAME:$PWD# ")
-    file:close()
-  end
-end)
+-- there doesn't seem to be a reason to update $HOSTNAME after the init signal
+-- as user space /etc/profile comes after this point anyways
+loadfile("/bin/hostname.lua")("--update")
diff --git a/src/main/resources/assets/opencomputers/loot/openos/etc/profile b/src/main/resources/assets/opencomputers/loot/openos/etc/profile
index d8c6a985d..dcbe584b5 100644
--- a/src/main/resources/assets/opencomputers/loot/openos/etc/profile
+++ b/src/main/resources/assets/opencomputers/loot/openos/etc/profile
@@ -16,7 +16,7 @@ set HOME=/home
 set IFS=\ 
 set MANPATH=/usr/man:.
 set PAGER=/bin/more
-set PS1='$PWD # '
+set PS1='$HOSTNAME$HOSTNAME_SEPARATOR$PWD # '
 set PWD=/
 set SHELL=/bin/sh
 set LS_COLORS="{FILE=0xFFFFFF,DIR=0x66CCFF,LINK=0xFFAA00,['*.lua']=0x00FF00}"
diff --git a/src/main/resources/assets/opencomputers/loot/openos/lib/event.lua b/src/main/resources/assets/opencomputers/loot/openos/lib/event.lua
index a9a8edea9..3ce395e36 100644
--- a/src/main/resources/assets/opencomputers/loot/openos/lib/event.lua
+++ b/src/main/resources/assets/opencomputers/loot/openos/lib/event.lua
@@ -20,7 +20,7 @@ function event.register(key, callback, interval, times)
   local handler =
   {
     key = key,
-    times = times or math.huge,
+    times = times or 1,
     callback = callback,
     interval = interval or math.huge,
   }
@@ -155,7 +155,7 @@ function event.listen(name, callback)
       return false
     end
   end
-  return event.register(name, callback)
+  return event.register(name, callback, math.huge, math.huge)
 end
 
 function event.onError(message)
diff --git a/src/main/resources/assets/opencomputers/loot/openos/lib/term.lua b/src/main/resources/assets/opencomputers/loot/openos/lib/term.lua
index fe77664c5..1e08e6a43 100644
--- a/src/main/resources/assets/opencomputers/loot/openos/lib/term.lua
+++ b/src/main/resources/assets/opencomputers/loot/openos/lib/term.lua
@@ -193,8 +193,6 @@ function term.read(history, dobreak, hint, pwchar, filter)
 
   inject_filter(handler, filter)
   inject_mask(cursor, dobreak, pwchar)
-  -- todo, make blinking work from here
-  -- handler.blink or w.blink
 
   return tty.read(handler, cursor)
 end
diff --git a/src/main/resources/assets/opencomputers/loot/openos/lib/tty.lua b/src/main/resources/assets/opencomputers/loot/openos/lib/tty.lua
index 1c4756132..a380d3528 100644
--- a/src/main/resources/assets/opencomputers/loot/openos/lib/tty.lua
+++ b/src/main/resources/assets/opencomputers/loot/openos/lib/tty.lua
@@ -63,6 +63,7 @@ local function tab_handler(handler, cursor)
   if cache_size == 1 and cache.i == 0 then
     -- there was only one solution, and the user is asking for the next
     handler.cache = hints(cache[1], cursor.index + 1)
+    if not handler.cache then return end
     handler.cache.i = -1
     cache = handler.cache
     cache_size = #cache
diff --git a/src/main/resources/assets/opencomputers/loot/openos/usr/man/hostname b/src/main/resources/assets/opencomputers/loot/openos/usr/man/hostname
index ae853e58a..931a94365 100644
--- a/src/main/resources/assets/opencomputers/loot/openos/usr/man/hostname
+++ b/src/main/resources/assets/opencomputers/loot/openos/usr/man/hostname
@@ -2,7 +2,7 @@ NAME
   hostname - Display and modify hostname
 
 SYNOPIS
-  hostname [NEW NAME]
+  hostname [NEW NAME] [--update]
 
 EXAMPLES
   hostname
@@ -10,3 +10,6 @@ EXAMPLES
 
   hostname test
     Sets hostname of this computer to test
+
+  hostname --update
+    Updates $HOSTNAME by reading /etc/hostname in case it was set manually. Does not print to stdout
diff --git a/src/main/resources/assets/opencomputers/loot/openos/usr/man/less b/src/main/resources/assets/opencomputers/loot/openos/usr/man/less
new file mode 100644
index 000000000..91007c56b
--- /dev/null
+++ b/src/main/resources/assets/opencomputers/loot/openos/usr/man/less
@@ -0,0 +1,17 @@
+NAME
+  less - file viewer
+
+SYNOPSIS
+  less [FILE]
+
+DESCRIPTION
+  'less' is a filter for paging through text, as is 'more'. 'less', unlike 'more', support scroll in reverse
+
+EXAMPLES
+  less example.txt
+    Displays the contents of file `example.txt`
+  find / | less
+    filter the output of `file /` through the 'less' pager
+
+SEE ALSO
+  more
diff --git a/src/main/resources/assets/opencomputers/loot/openos/usr/man/lshw b/src/main/resources/assets/opencomputers/loot/openos/usr/man/lshw
new file mode 100644
index 000000000..253247f1c
--- /dev/null
+++ b/src/main/resources/assets/opencomputers/loot/openos/usr/man/lshw
@@ -0,0 +1,8 @@
+NAME
+  lshw - hardware viewer
+
+SYNOPSIS
+  lshw
+
+DESCRIPTION
+  'lshw' shows you the device information of your PC.
diff --git a/src/main/resources/assets/opencomputers/loot/openos/usr/man/rmdir b/src/main/resources/assets/opencomputers/loot/openos/usr/man/rmdir
new file mode 100644
index 000000000..03f31da85
--- /dev/null
+++ b/src/main/resources/assets/opencomputers/loot/openos/usr/man/rmdir
@@ -0,0 +1,9 @@
+NAME
+  rmdir - remove empty directories
+    
+SYNOPIS
+  rmdir [DIRECTORY]
+
+EXAMPLES
+  rmdir doc
+    Removes doc if and only if doc is an empty directory
diff --git a/src/main/resources/assets/opencomputers/loot/openos/usr/man/set b/src/main/resources/assets/opencomputers/loot/openos/usr/man/set
new file mode 100644
index 000000000..726807684
--- /dev/null
+++ b/src/main/resources/assets/opencomputers/loot/openos/usr/man/set
@@ -0,0 +1,19 @@
+NAME
+  set - set a environment variable
+
+SYNOPSIS
+  set [VARIABLE]=[VALUE]
+
+DESCRIPTION
+  set an environment variable. Quote [VALUE] to include spaces or non alphanumerics.
+
+EXAMPLES
+  set
+    Shows all environment variables
+  set example="Hello World"; echo $example
+    Prints Hello World without quotes
+  set LS_COLORS="{FILE=0xFFFFFF,DIR=0x66CCFF,LINK=0xFFAA00,['*.lua']=0xFFFF00}"
+    Change ls colors, showing lua files in yellow. Note ls color defaults are set in /etc/profile
+
+SEE ALSO
+  unset
diff --git a/src/main/resources/assets/opencomputers/loot/openos/usr/man/unset b/src/main/resources/assets/opencomputers/loot/openos/usr/man/unset
new file mode 100644
index 000000000..03ca373cf
--- /dev/null
+++ b/src/main/resources/assets/opencomputers/loot/openos/usr/man/unset
@@ -0,0 +1,15 @@
+NAME
+  unset - remove an environment variable
+
+SYNOPSIS
+  unset [VARNAME]
+
+DESCRIPTION
+  Removes an environment variable
+
+EXAMPLES
+  unset some_variable
+    Removes the environment variable some_variable
+
+SEE ALSO
+  set