diff --git a/config/checkstyle/suppressions.xml b/config/checkstyle/suppressions.xml
index a6dd2983d..0cafe14ef 100644
--- a/config/checkstyle/suppressions.xml
+++ b/config/checkstyle/suppressions.xml
@@ -3,10 +3,6 @@
     "-//Checkstyle//DTD SuppressionFilter Configuration 1.2//EN"
     "https://checkstyle.org/dtds/suppressions_1_2.dtd">
 <suppressions>
-    <!-- Has a public m_label field. We need to check if this is used in other projects before renaming it. -->
-    <suppress checks="MemberName" files=".*[\\/]TileComputerBase.java"
-        message="Name 'm_label' must match pattern .*" />
-
     <!-- All the config options and method fields. -->
     <suppress checks="StaticVariableName" files=".*[\\/]ComputerCraft.java" />
     <suppress checks="StaticVariableName" files=".*[\\/]ComputerCraftAPI.java" />
diff --git a/src/main/java/dan200/computercraft/shared/computer/blocks/TileComputer.java b/src/main/java/dan200/computercraft/shared/computer/blocks/TileComputer.java
index b5443cfaf..91b0ece73 100644
--- a/src/main/java/dan200/computercraft/shared/computer/blocks/TileComputer.java
+++ b/src/main/java/dan200/computercraft/shared/computer/blocks/TileComputer.java
@@ -48,7 +48,7 @@ protected ServerComputer createComputer( int instanceID, int id )
     {
         ComputerFamily family = getFamily();
         ServerComputer computer = new ServerComputer(
-            getWorld(), id, m_label, instanceID, family,
+            getWorld(), id, label, instanceID, family,
             ComputerCraft.terminalWidth_computer,
             ComputerCraft.terminalHeight_computer
         );
diff --git a/src/main/java/dan200/computercraft/shared/computer/blocks/TileComputerBase.java b/src/main/java/dan200/computercraft/shared/computer/blocks/TileComputerBase.java
index ee30ff3c6..a5c1c6cbc 100644
--- a/src/main/java/dan200/computercraft/shared/computer/blocks/TileComputerBase.java
+++ b/src/main/java/dan200/computercraft/shared/computer/blocks/TileComputerBase.java
@@ -52,7 +52,7 @@ public abstract class TileComputerBase extends TileGeneric implements IComputerT
 
     private int m_instanceID = -1;
     private int m_computerID = -1;
-    protected String m_label = null;
+    protected String label = null;
     private boolean m_on = false;
     boolean m_startOn = false;
     private boolean m_fresh = false;
@@ -160,7 +160,7 @@ public void tick()
 
             m_fresh = false;
             m_computerID = computer.getID();
-            m_label = computer.getLabel();
+            label = computer.getLabel();
             m_on = computer.isOn();
 
             if( computer.hasOutputChanged() ) updateOutput();
@@ -181,7 +181,7 @@ public CompoundNBT write( CompoundNBT nbt )
     {
         // Save ID, label and power state
         if( m_computerID >= 0 ) nbt.putInt( NBT_ID, m_computerID );
-        if( m_label != null ) nbt.putString( NBT_LABEL, m_label );
+        if( label != null ) nbt.putString( NBT_LABEL, label );
         nbt.putBoolean( NBT_ON, m_on );
 
         return super.write( nbt );
@@ -194,7 +194,7 @@ public void read( CompoundNBT nbt )
 
         // Load ID, label and power state
         m_computerID = nbt.contains( NBT_ID ) ? nbt.getInt( NBT_ID ) : -1;
-        m_label = nbt.contains( NBT_LABEL ) ? nbt.getString( NBT_LABEL ) : null;
+        label = nbt.contains( NBT_LABEL ) ? nbt.getString( NBT_LABEL ) : null;
         m_on = m_startOn = nbt.getBoolean( NBT_ON );
     }
 
@@ -308,7 +308,7 @@ public final int getComputerID()
     @Override
     public final String getLabel()
     {
-        return m_label;
+        return label;
     }
 
     @Override
@@ -325,9 +325,9 @@ public final void setComputerID( int id )
     @Override
     public final void setLabel( String label )
     {
-        if( getWorld().isRemote || Objects.equals( m_label, label ) ) return;
+        if( getWorld().isRemote || Objects.equals( this.label, label ) ) return;
 
-        m_label = label;
+        this.label = label;
         ServerComputer computer = getServerComputer();
         if( computer != null ) computer.setLabel( label );
         markDirty();
@@ -375,16 +375,15 @@ public ServerComputer getServerComputer()
     protected void writeDescription( @Nonnull CompoundNBT nbt )
     {
         super.writeDescription( nbt );
-
+        if( label != null ) nbt.putString( NBT_LABEL, label );
         if( m_computerID >= 0 ) nbt.putInt( NBT_ID, m_computerID );
-        if( m_label != null ) nbt.putString( NBT_LABEL, m_label );
     }
 
     @Override
     protected void readDescription( @Nonnull CompoundNBT nbt )
     {
         super.readDescription( nbt );
-        m_label = nbt.contains( NBT_LABEL ) ? nbt.getString( NBT_LABEL ) : null;
+        label = nbt.contains( NBT_LABEL ) ? nbt.getString( NBT_LABEL ) : null;
         m_computerID = nbt.contains( NBT_ID ) ? nbt.getInt( NBT_ID ) : -1;
     }
 
@@ -395,7 +394,7 @@ protected void transferStateFrom( TileComputerBase copy )
             unload();
             m_instanceID = copy.m_instanceID;
             m_computerID = copy.m_computerID;
-            m_label = copy.m_label;
+            label = copy.label;
             m_on = copy.m_on;
             m_startOn = copy.m_startOn;
             updateBlock();
@@ -414,20 +413,20 @@ public IPeripheral getPeripheral( @Nonnull Direction side )
     @Override
     public ITextComponent getName()
     {
-        return hasCustomName() ? new StringTextComponent( m_label ) : getBlockState().getBlock().getNameTextComponent();
+        return hasCustomName() ? new StringTextComponent( label ) : getBlockState().getBlock().getNameTextComponent();
     }
 
     @Override
     public boolean hasCustomName()
     {
-        return !Strings.isNullOrEmpty( m_label );
+        return !Strings.isNullOrEmpty( label );
     }
 
     @Nullable
     @Override
     public ITextComponent getCustomName()
     {
-        return hasCustomName() ? new StringTextComponent( m_label ) : null;
+        return hasCustomName() ? new StringTextComponent( label ) : null;
     }
 
     @Nonnull
diff --git a/src/main/java/dan200/computercraft/shared/turtle/blocks/TileTurtle.java b/src/main/java/dan200/computercraft/shared/turtle/blocks/TileTurtle.java
index cdb7207a1..75e80658f 100644
--- a/src/main/java/dan200/computercraft/shared/turtle/blocks/TileTurtle.java
+++ b/src/main/java/dan200/computercraft/shared/turtle/blocks/TileTurtle.java
@@ -106,7 +106,7 @@ public boolean hasMoved()
     protected ServerComputer createComputer( int instanceID, int id )
     {
         ServerComputer computer = new ServerComputer(
-            getWorld(), id, m_label, instanceID, getFamily(),
+            getWorld(), id, label, instanceID, getFamily(),
             ComputerCraft.terminalWidth_turtle, ComputerCraft.terminalHeight_turtle
         );
         computer.setPosition( getPos() );
diff --git a/src/main/resources/data/computercraft/lua/rom/help/wget.txt b/src/main/resources/data/computercraft/lua/rom/help/wget.txt
index 428ed5bab..65e580c08 100644
--- a/src/main/resources/data/computercraft/lua/rom/help/wget.txt
+++ b/src/main/resources/data/computercraft/lua/rom/help/wget.txt
@@ -5,3 +5,4 @@ ex:
 "wget http://pastebin.com/raw/CxaWmPrX test" will download the file from the URL http://pastebin.com/raw/CxaWmPrX, and save it as "test".
 "wget http://example.org/test.lua/?foo=bar#qzu" will download the file from the URL http://example.org/test.lua/?foo=bar#qzu and save it as "test.lua"
 "wget http://example.org/" will download the file from the URL http://example.org and save it as "example.org"
+"wget run http://pastebin.com/raw/CxaWmPrX" will download the file from the URL http://pastebin.com/raw/CxaWmPrX and run it immediately.
diff --git a/src/main/resources/assets/computercraft/lua/rom/motd.txt b/src/main/resources/data/computercraft/lua/rom/motd.txt
similarity index 79%
rename from src/main/resources/assets/computercraft/lua/rom/motd.txt
rename to src/main/resources/data/computercraft/lua/rom/motd.txt
index afb322c11..d81dc2fd0 100644
--- a/src/main/resources/assets/computercraft/lua/rom/motd.txt
+++ b/src/main/resources/data/computercraft/lua/rom/motd.txt
@@ -8,6 +8,8 @@ Run "list" or "ls" to see all files in a directory.
 You can delete files and directories with "delete" or "rm".
 Use "pastebin put" to upload a program to pastebin.
 Use "pastebin get" to download a program from pastebin.
-Use "pastebin run" to run a program from pastebin without saving it.
+Use "pastebin run" to run a program from pastebin.
 Use the "edit" program to create and edit your programs.
 You can copy files with "copy" or "cp".
+You can use "wget run <url>" to run a program from the internet.
+You can use "wget" to download a file from the internet.
diff --git a/src/main/resources/data/computercraft/lua/rom/programs/copy.lua b/src/main/resources/data/computercraft/lua/rom/programs/copy.lua
index 8158b84a5..70cde52a1 100644
--- a/src/main/resources/data/computercraft/lua/rom/programs/copy.lua
+++ b/src/main/resources/data/computercraft/lua/rom/programs/copy.lua
@@ -15,6 +15,10 @@ if #tFiles > 0 then
         elseif #tFiles == 1 then
             if fs.exists( sDest ) then
                  printError( "Destination exists" )
+            elseif fs.isReadOnly( sDest ) then
+                printError( "Destination is read-only" )
+            elseif fs.getFreeSpace( sDest ) < fs.getSize( sFile ) then
+                printError( "Not enough space" )
             else
                  fs.copy( sFile, sDest )
             end
diff --git a/src/main/resources/data/computercraft/lua/rom/programs/http/wget.lua b/src/main/resources/data/computercraft/lua/rom/programs/http/wget.lua
index 08063c640..e05def30e 100644
--- a/src/main/resources/data/computercraft/lua/rom/programs/http/wget.lua
+++ b/src/main/resources/data/computercraft/lua/rom/programs/http/wget.lua
@@ -2,14 +2,24 @@
 local function printUsage()
     print( "Usage:" )
     print( "wget <url> [filename]" )
+    print( "wget run <url>" )
 end
 
 local tArgs = { ... }
+
+local run = false
+if tArgs[1] == "run" then
+    table.remove( tArgs, 1 )
+    run = true
+end
+
 if #tArgs < 1 then
     printUsage()
     return
 end
 
+local url = table.remove( tArgs, 1 )
+
 if not http then
     printError( "wget requires http API" )
     printError( "Set http_enable to true in ComputerCraft.cfg" )
@@ -22,6 +32,13 @@ local function getFilename( sUrl )
 end
 
 local function get( sUrl )
+    -- Check if the URL is valid
+    local ok, err = http.checkURL( url )
+    if not ok then
+        printError( err or "Invalid URL." )
+        return
+    end
+
     write( "Connecting to " .. sUrl .. "... " )
 
     local response = http.get( sUrl , nil , true )
@@ -37,29 +54,34 @@ local function get( sUrl )
     return sResponse
 end
 
--- Determine file to download
-local sUrl = tArgs[1]
+if run then
+    local res = get(url)
+    if not res then return end
 
---Check if the URL is valid
-local ok, err = http.checkURL( sUrl )
-if not ok then
-    printError( err or "Invalid URL." )
-    return
-end
+    local func, err = load(res, getFilename(url), "t", _ENV)
+    if not func then
+        printError(err)
+        return
+    end
 
-local sFile = tArgs[2] or getFilename( sUrl )
-local sPath = shell.resolve( sFile )
-if fs.exists( sPath ) then
-    print( "File already exists" )
-    return
-end
+    local ok, err = pcall(func, table.unpack(tArgs))
+    if not ok then
+        printError( err )
+    end
+else
+    local sFile = tArgs[1] or getFilename( url )
+    local sPath = shell.resolve( sFile )
+    if fs.exists( sPath ) then
+        print( "File already exists" )
+        return
+    end
+
+    local res = get(url)
+    if not res then return end
 
--- Do the get
-local res = get( sUrl )
-if res then
     local file = fs.open( sPath, "wb" )
     file.write( res )
     file.close()
 
-    print( "Downloaded as "..sFile )
+    print( "Downloaded as " .. sFile )
 end
diff --git a/src/main/resources/assets/computercraft/lua/rom/programs/motd.lua b/src/main/resources/data/computercraft/lua/rom/programs/motd.lua
similarity index 100%
rename from src/main/resources/assets/computercraft/lua/rom/programs/motd.lua
rename to src/main/resources/data/computercraft/lua/rom/programs/motd.lua
diff --git a/src/main/resources/data/computercraft/lua/rom/programs/rename.lua b/src/main/resources/data/computercraft/lua/rom/programs/rename.lua
index f22561c26..4583adf62 100644
--- a/src/main/resources/data/computercraft/lua/rom/programs/rename.lua
+++ b/src/main/resources/data/computercraft/lua/rom/programs/rename.lua
@@ -7,8 +7,15 @@ end
 local sSource = shell.resolve( tArgs[1] )
 local sDest = shell.resolve( tArgs[2] )
 
-if fs.exists( sDest ) then
+if not fs.exists( sSource ) then
+    printError( "No matching files" )
+    return
+elseif fs.exists( sDest ) then
     printError( "Destination exists" )
+    return
+elseif fs.isReadOnly( sDest ) then
+    printError( "Destination is read-only" )
+    return
 end
 
 fs.move( sSource, sDest )
diff --git a/src/main/resources/data/computercraft/lua/rom/startup.lua b/src/main/resources/data/computercraft/lua/rom/startup.lua
index 9f6d74ade..2bc19adca 100644
--- a/src/main/resources/data/computercraft/lua/rom/startup.lua
+++ b/src/main/resources/data/computercraft/lua/rom/startup.lua
@@ -183,6 +183,12 @@ local function completeExec( shell, nIndex, sText, tPreviousText )
         return completeMultipleChoice( sText, tCommands, true )
     end
 end
+local tWgetOptions = { "run" }
+local function completeWget( shell, nIndex, sText, tPreviousText )
+    if nIndex == 1 then
+        return completeMultipleChoice( sText, tWgetOptions, true )
+    end
+end
 shell.setCompletionFunction( "rom/programs/alias.lua", completeAlias )
 shell.setCompletionFunction( "rom/programs/cd.lua", completeDir )
 shell.setCompletionFunction( "rom/programs/copy.lua", completeEitherEither )
@@ -210,6 +216,7 @@ shell.setCompletionFunction( "rom/programs/fun/advanced/paint.lua", completeFile
 shell.setCompletionFunction( "rom/programs/http/pastebin.lua", completePastebin )
 shell.setCompletionFunction( "rom/programs/rednet/chat.lua", completeChat )
 shell.setCompletionFunction( "rom/programs/command/exec.lua", completeExec )
+shell.setCompletionFunction( "rom/programs/http/wget.lua", completeWget )
 
 if turtle then
     local tGoOptions = { "left", "right", "forward", "back", "down", "up" }
diff --git a/src/test/java/dan200/computercraft/core/filesystem/ResourceMountTest.java b/src/test/java/dan200/computercraft/core/filesystem/ResourceMountTest.java
index 00ea5fa2f..4b2bb0a14 100644
--- a/src/test/java/dan200/computercraft/core/filesystem/ResourceMountTest.java
+++ b/src/test/java/dan200/computercraft/core/filesystem/ResourceMountTest.java
@@ -42,7 +42,7 @@ public void testList() throws IOException
         files.sort( Comparator.naturalOrder() );
 
         assertEquals(
-            Arrays.asList( "apis", "autorun", "help", "modules", "programs", "startup.lua" ),
+            Arrays.asList( "apis", "autorun", "help", "modules", "motd.txt", "programs", "startup.lua" ),
             files
         );
     }
diff --git a/src/test/resources/test-rom/mcfly.lua b/src/test/resources/test-rom/mcfly.lua
index 02b4b26ed..38ebf9e83 100644
--- a/src/test/resources/test-rom/mcfly.lua
+++ b/src/test/resources/test-rom/mcfly.lua
@@ -49,6 +49,8 @@ local function push_state()
         term = term.current(),
         input = io.input(),
         output = io.output(),
+        dir = shell.dir(),
+        path = shell.path(),
         stubs = stubs,
     }
 end
@@ -65,6 +67,8 @@ local function pop_state(state)
     term.redirect(state.term)
     io.input(state.input)
     io.output(state.output)
+    shell.setDir(state.dir)
+    shell.setPath(state.path)
 end
 
 local error_mt = { __tostring = function(self) return self.message end }
diff --git a/src/test/resources/test-rom/spec/programs/cd_spec.lua b/src/test/resources/test-rom/spec/programs/cd_spec.lua
new file mode 100644
index 000000000..2826b8007
--- /dev/null
+++ b/src/test/resources/test-rom/spec/programs/cd_spec.lua
@@ -0,0 +1,20 @@
+local capture = require "test_helpers".capture_program
+
+describe("The cd program", function()
+
+    it("cd into a directory", function()
+        shell.run("cd /rom/programs")
+        
+        expect(shell.dir()):eq("rom/programs")
+    end)
+
+    it("cd into a not existing directory", function()
+        expect(capture(stub, "cd /rom/nothing"))
+            :matches { ok = true, output = "Not a directory\n", error = "" }
+    end)
+    
+    it("displays the usage with no arguments", function()
+        expect(capture(stub, "cd"))
+            :matches { ok = true, output = "Usage: cd <path>\n", error = "" }
+    end)
+end)
diff --git a/src/test/resources/test-rom/spec/programs/copy_spec.lua b/src/test/resources/test-rom/spec/programs/copy_spec.lua
new file mode 100644
index 000000000..4ab043986
--- /dev/null
+++ b/src/test/resources/test-rom/spec/programs/copy_spec.lua
@@ -0,0 +1,40 @@
+local capture = require "test_helpers".capture_program
+
+describe("The copy program", function()
+    local function touch(file)
+        io.open(file, "w"):close()
+    end
+
+    it("copies a file", function()
+        touch("/test-files/copy/a.txt")
+
+        shell.run("copy /test-files/copy/a.txt /test-files/copy/b.txt")
+
+        expect(fs.exists("/test-files/copy/a.txt")):eq(true)
+        expect(fs.exists("/test-files/copy/b.txt")):eq(true)
+    end)
+
+    it("fails when copying a non-existent file", function()
+        expect(capture(stub, "copy nothing destination"))
+            :matches { ok = true, output = "", error = "No matching files\n" }
+    end)
+
+    it("fails when overwriting an existing file", function()
+        touch("/test-files/copy/c.txt")
+
+        expect(capture(stub, "copy /test-files/copy/c.txt /test-files/copy/c.txt"))
+            :matches { ok = true, output = "", error = "Destination exists\n" }
+    end)
+
+    it("fails when copying into read-only locations", function()
+        touch("/test-files/copy/d.txt")
+
+        expect(capture(stub, "copy /test-files/copy/d.txt /rom/test.txt"))
+            :matches { ok = true, output = "", error = "Destination is read-only\n" }
+    end)
+
+    it("displays the usage when given no arguments", function()
+        expect(capture(stub, "copy"))
+            :matches { ok = true, output = "Usage: cp <source> <destination>\n", error = "" }
+    end)
+end)
diff --git a/src/test/resources/test-rom/spec/programs/edit_spec.lua b/src/test/resources/test-rom/spec/programs/edit_spec.lua
new file mode 100644
index 000000000..dc8bcf9d0
--- /dev/null
+++ b/src/test/resources/test-rom/spec/programs/edit_spec.lua
@@ -0,0 +1,11 @@
+local capture = require "test_helpers".capture_program
+
+describe("The edit program", function()
+
+    it("displays its usage when given no argument", function()
+        multishell = nil
+        
+        expect(capture(stub, "edit"))
+            :matches { ok = true, output = "Usage: edit <path>\n", error = "" }
+    end)
+end)
diff --git a/src/test/resources/test-rom/spec/programs/http/pastebin_spec.lua b/src/test/resources/test-rom/spec/programs/http/pastebin_spec.lua
new file mode 100644
index 000000000..eb55f53d4
--- /dev/null
+++ b/src/test/resources/test-rom/spec/programs/http/pastebin_spec.lua
@@ -0,0 +1,77 @@
+local capture = require "test_helpers".capture_program
+
+describe("The pastebin program", function()
+    local function setup_request()
+        stub(_G, "http", {
+            checkURL = function()
+                return true
+            end,
+            get = function()
+                return {
+                    readAll = function()
+                        return [[print("Hello", ...)]]
+                    end,
+                    close = function()
+                    end,
+                    getResponseHeaders = function()
+                        local tHeader = {}
+                        tHeader["Content-Type"] = "text/plain; charset=utf-8"
+                        return tHeader
+                    end
+                }
+            end,
+            post = function()
+                return {
+                    readAll = function()
+                        return "https://pastebin.com/abcde"
+                    end,
+                    close = function()
+                    end,
+                }
+            end
+        })
+    end
+
+    it("downloads one file", function()
+        setup_request()
+        capture(stub, "pastebin", "get", "abcde", "testdown")
+
+        expect(fs.exists("/testdown")):eq(true)
+    end)
+
+    it("runs a program from the internet", function()
+        setup_request()
+
+        expect(capture(stub, "pastebin", "run", "abcde", "a", "b", "c"))
+            :matches { ok = true, output = "Connecting to pastebin.com... Success.\nHello a b c\n", error = "" }
+    end)
+
+    it("upload a program to pastebin", function()
+        setup_request()
+
+        local file = fs.open( "testup", "w" )
+        file.close()
+        
+        expect(capture(stub, "pastebin", "put", "testup" ))
+            :matches { ok = true, output = "Connecting to pastebin.com... Success.\nUploaded as https://pastebin.com/abcde\nRun \"pastebin get abcde\" to download anywhere\n", error = "" }
+    end)
+
+    it("upload a not existing program to pastebin", function()
+        setup_request()
+
+        expect(capture(stub, "pastebin", "put", "nothing" ))
+            :matches { ok = true, output = "No such file\n", error = "" }
+    end)
+
+    it("displays its usage when given no arguments", function()
+        setup_request()
+
+        expect(capture(stub, "pastebin"))
+            :matches { ok = true, output = "Usages:\npastebin put <filename>\npastebin get <code> <filename>\npastebin run <code> <arguments>\n", error = "" }
+    end)
+
+    it("can be completed", function()
+        local complete = shell.getCompletionInfo()["rom/programs/http/pastebin.lua"].fnComplete
+        expect(complete(shell, 1, "", {})):same { "put ", "get ", "run " }
+    end)
+end)
diff --git a/src/test/resources/test-rom/spec/programs/http/wget_spec.lua b/src/test/resources/test-rom/spec/programs/http/wget_spec.lua
new file mode 100644
index 000000000..b6b88b34b
--- /dev/null
+++ b/src/test/resources/test-rom/spec/programs/http/wget_spec.lua
@@ -0,0 +1,53 @@
+local capture = require "test_helpers".capture_program
+
+describe("The wget program", function()
+    local function setup_request()
+        stub(_G, "http", {
+            checkURL = function()
+                return true
+            end,
+            get = function()
+                return {
+                    readAll = function()
+                        return [[print("Hello", ...)]]
+                    end,
+                    close = function()
+                    end,
+                }
+            end
+        })
+    end
+
+    it("downloads one file", function()
+        setup_request()
+        capture(stub, "wget", "https://example.com")
+
+        expect(fs.exists("/example.com")):eq(true)
+    end)
+
+    it("downloads one file with given filename", function()
+        setup_request()
+        capture(stub, "wget", "https://example.com /test-files/download")
+
+        expect(fs.exists("/test-files/download")):eq(true)
+    end)
+
+    it("runs a program from the internet", function()
+        setup_request()
+
+        expect(capture(stub, "wget", "run", "http://test.com", "a", "b", "c"))
+            :matches { ok = true, output = "Connecting to http://test.com... Success.\nHello a b c\n", error = "" }
+    end)
+
+    it("displays its usage when given no arguments", function()
+        setup_request()
+
+        expect(capture(stub, "wget"))
+            :matches { ok = true, output = "Usage:\nwget <url> [filename]\nwget run <url>\n", error = "" }
+    end)
+
+    it("can be completed", function()
+        local complete = shell.getCompletionInfo()["rom/programs/http/wget.lua"].fnComplete
+        expect(complete(shell, 1, "", {})):same { "run " }
+    end)
+end)
diff --git a/src/test/resources/test-rom/spec/programs/id_spec.lua b/src/test/resources/test-rom/spec/programs/id_spec.lua
new file mode 100644
index 000000000..a4e4657d3
--- /dev/null
+++ b/src/test/resources/test-rom/spec/programs/id_spec.lua
@@ -0,0 +1,11 @@
+local capture = require "test_helpers".capture_program
+
+describe("The id program", function()
+    
+    it("displays computer id", function()
+        local id = os.getComputerID()
+
+        expect(capture(stub, "id"))
+            :matches { ok = true, output = "This is computer #"..id.."\n", error = "" }
+    end)
+end)
diff --git a/src/test/resources/test-rom/spec/programs/motd_spec.lua b/src/test/resources/test-rom/spec/programs/motd_spec.lua
new file mode 100644
index 000000000..052cd8fa4
--- /dev/null
+++ b/src/test/resources/test-rom/spec/programs/motd_spec.lua
@@ -0,0 +1,14 @@
+local capture = require "test_helpers".capture_program
+
+describe("The motd program", function()
+
+    it("displays MODT", function()
+        local file = fs.open("/modt_check.txt","w")
+        file.write("Hello World!")
+        file.close()
+        settings.set("motd.path","/modt_check.txt")
+        
+        expect(capture(stub, "motd"))
+            :matches { ok = true, output = "Hello World!\n", error = "" }
+    end)
+end)
diff --git a/src/test/resources/test-rom/spec/programs/move_spec.lua b/src/test/resources/test-rom/spec/programs/move_spec.lua
new file mode 100644
index 000000000..de1a36569
--- /dev/null
+++ b/src/test/resources/test-rom/spec/programs/move_spec.lua
@@ -0,0 +1,26 @@
+local capture = require "test_helpers".capture_program
+
+describe("The move program", function()
+    local function touch(file)
+        io.open(file, "w"):close()
+    end
+
+    it("move a file", function()
+        touch("/test-files/move/a.txt")
+
+        shell.run("move /test-files/move/a.txt /test-files/move/b.txt")
+
+        expect(fs.exists("/test-files/move/a.txt")):eq(false)
+        expect(fs.exists("/test-files/move/b.txt")):eq(true)
+    end)
+
+    it("try to move a not existing file", function()
+        expect(capture(stub, "move nothing destination"))
+            :matches { ok = true, output = "", error = "No matching files\n" }
+    end)
+
+    it("displays the usage with no arguments", function()
+        expect(capture(stub, "move"))
+            :matches { ok = true, output = "Usage: mv <source> <destination>\n", error = "" }
+    end)
+end)
diff --git a/src/test/resources/test-rom/spec/programs/rename_spec.lua b/src/test/resources/test-rom/spec/programs/rename_spec.lua
new file mode 100644
index 000000000..2ab955dab
--- /dev/null
+++ b/src/test/resources/test-rom/spec/programs/rename_spec.lua
@@ -0,0 +1,40 @@
+local capture = require "test_helpers".capture_program
+
+describe("The rename program", function()
+    local function touch(file)
+        io.open(file, "w"):close()
+    end
+
+    it("can rename a file", function()
+        touch("/test-files/rename/a.txt")
+
+        shell.run("rename /test-files/rename/a.txt /test-files/rename/b.txt")
+
+        expect(fs.exists("/test-files/rename/a.txt")):eq(false)
+        expect(fs.exists("/test-files/rename/b.txt")):eq(true)
+    end)
+
+    it("fails when renaming a file which doesn't exist", function()
+        expect(capture(stub, "rename nothing destination"))
+            :matches { ok = true, output = "", error = "No matching files\n" }
+    end)
+
+    it("fails when overwriting an existing file", function()
+        touch("/test-files/rename/c.txt")
+
+        expect(capture(stub, "rename /test-files/rename/c.txt /test-files/rename/c.txt"))
+            :matches { ok = true, output = "", error = "Destination exists\n" }
+    end)
+
+    it("fails when copying to read-only locations", function()
+        touch("/test-files/rename/d.txt")
+
+        expect(capture(stub, "rename /test-files/rename/d.txt /rom/test.txt"))
+            :matches { ok = true, output = "", error = "Destination is read-only\n" }
+    end)
+
+    it("displays the usage when given no arguments", function()
+        expect(capture(stub, "rename"))
+            :matches { ok = true, output = "Usage: rename <source> <destination>\n", error = "" }
+    end)
+end)
diff --git a/src/test/resources/test-rom/spec/programs/set_spec.lua b/src/test/resources/test-rom/spec/programs/set_spec.lua
new file mode 100644
index 000000000..dc81dcfe3
--- /dev/null
+++ b/src/test/resources/test-rom/spec/programs/set_spec.lua
@@ -0,0 +1,29 @@
+local capture = require "test_helpers".capture_program
+
+describe("The set program", function()
+
+    it("displays all settings", function()
+        settings.clear()
+        settings.set("Test","Hello World!")
+        settings.set("123",456)
+        
+        expect(capture(stub, "set"))
+            :matches { ok = true, output = '"123" is 456\n"Test" is "Hello World!"\n', error = "" }
+    end)
+
+    it("displays a single settings", function()
+        settings.clear()
+        settings.set("Test","Hello World!")
+        settings.set("123",456)
+        
+        expect(capture(stub, "set Test"))
+            :matches { ok = true, output = '"Test" is "Hello World!"\n', error = "" }
+    end)
+
+    it("set a setting", function()        
+        expect(capture(stub, "set Test Hello"))
+            :matches { ok = true, output = '"Test" set to "Hello"\n', error = "" }
+
+        expect(settings.get("Test")):eq("Hello")
+    end)
+end)
diff --git a/src/test/resources/test-rom/spec/programs/shell_spec.lua b/src/test/resources/test-rom/spec/programs/shell_spec.lua
index 9b9dc7188..cb35d70f6 100644
--- a/src/test/resources/test-rom/spec/programs/shell_spec.lua
+++ b/src/test/resources/test-rom/spec/programs/shell_spec.lua
@@ -27,6 +27,10 @@ describe("The shell", function()
             shell.setDir(shell.dir())
             expect.error(shell.setDir, nil):eq("bad argument #1 (expected string, got nil)")
         end)
+
+        it("not existing directory", function()
+            expect.error(shell.setDir, "/rom/nothing"):eq("Not a directory")
+        end)
     end)
 
     describe("shell.setPath", function()
diff --git a/src/test/resources/test-rom/spec/programs/time_spec.lua b/src/test/resources/test-rom/spec/programs/time_spec.lua
new file mode 100644
index 000000000..8ec10044e
--- /dev/null
+++ b/src/test/resources/test-rom/spec/programs/time_spec.lua
@@ -0,0 +1,12 @@
+local capture = require "test_helpers".capture_program
+
+describe("The time program", function()
+
+    it("displays time", function()
+        local time = textutils.formatTime(os.time())
+        local day = os.day()
+        
+        expect(capture(stub, "time"))
+            :matches { ok = true, output = "The time is "..time.." on Day "..day.."\n", error = "" }
+    end)
+end)
diff --git a/src/test/resources/test-rom/spec/programs/type_spec.lua b/src/test/resources/test-rom/spec/programs/type_spec.lua
new file mode 100644
index 000000000..78009c746
--- /dev/null
+++ b/src/test/resources/test-rom/spec/programs/type_spec.lua
@@ -0,0 +1,26 @@
+local capture = require "test_helpers".capture_program
+
+describe("The type program", function()
+
+    it("displays the usage with no arguments", function()
+        expect(capture(stub, "type"))
+            :matches { ok = true, output = "Usage: type <path>\n", error = "" }
+    end)
+
+    it("displays the output for a file", function()
+        expect(capture(stub, "type /rom/startup.lua"))
+            :matches { ok = true, output = "file\n", error = "" }
+    end)
+
+    it("displays the output for a directory", function()
+        expect(capture(stub, "type /rom"))
+            :matches { ok = true, output = "directory\n", error = "" }
+    end)
+
+    it("displays the output for a not existing path", function()
+        expect(capture(stub, "type /rom/nothing"))
+            :matches { ok = true, output = "No such path\n", error = "" }
+    end)
+
+end)
+