diff --git a/assets/DOSBOOT.tevd b/assets/DOSBOOT.tevd
index 93eb572..ee152ab 100644
Binary files a/assets/DOSBOOT.tevd and b/assets/DOSBOOT.tevd differ
diff --git a/assets/DOSBOOT.tevd.original b/assets/DOSBOOT.tevd.original
index 93eb572..7259863 100644
Binary files a/assets/DOSBOOT.tevd.original and b/assets/DOSBOOT.tevd.original differ
diff --git a/assets/disk0/tvdos/bin/commandko.js b/assets/disk0/home/commandko.js
similarity index 100%
rename from assets/disk0/tvdos/bin/commandko.js
rename to assets/disk0/home/commandko.js
diff --git a/assets/disk0/tvdos/bin/fsh.js b/assets/disk0/home/fsh.js
similarity index 99%
rename from assets/disk0/tvdos/bin/fsh.js
rename to assets/disk0/home/fsh.js
index 45d4e07..5acc322 100644
--- a/assets/disk0/tvdos/bin/fsh.js
+++ b/assets/disk0/home/fsh.js
@@ -262,7 +262,7 @@ _fsh.drawTitlebar()
 
 // TEST
 con.move(2,1);
-print("Hit backspace to exit")
+print("fSh is very much in-dev! Hit backspace to exit")
 
 // TODO update for events: key down (updates some widgets), timer (updates clock and calendar widgets)
 while (true) {
diff --git a/assets/disk0/tvdos/bin/gfont.gz b/assets/disk0/home/gfont.gz
similarity index 100%
rename from assets/disk0/tvdos/bin/gfont.gz
rename to assets/disk0/home/gfont.gz
diff --git a/assets/disk0/tvdos/bin/graphicstest.js b/assets/disk0/home/graphicstest.js
similarity index 100%
rename from assets/disk0/tvdos/bin/graphicstest.js
rename to assets/disk0/home/graphicstest.js
diff --git a/assets/disk0/tvdos/bin/gterm.js b/assets/disk0/home/gterm.js
similarity index 100%
rename from assets/disk0/tvdos/bin/gterm.js
rename to assets/disk0/home/gterm.js
diff --git a/assets/disk0/tvdos/wall.bytes b/assets/disk0/home/wall.bytes
similarity index 100%
rename from assets/disk0/tvdos/wall.bytes
rename to assets/disk0/home/wall.bytes
diff --git a/assets/disk0/tvdos/wall.png b/assets/disk0/home/wall.png
similarity index 100%
rename from assets/disk0/tvdos/wall.png
rename to assets/disk0/home/wall.png
diff --git a/assets/disk0/root.bootable/!BOOTSEC b/assets/disk0/root.bootable/!BOOTSEC
new file mode 100644
index 0000000..faca567
--- /dev/null
+++ b/assets/disk0/root.bootable/!BOOTSEC
@@ -0,0 +1 @@
+let p=_BIOS.FIRST_BOOTABLE_PORT;com.sendMessage(p[0],"DEVRST\x17");com.sendMessage(p[0],'OPENR"tvdos/TVDOS.SYS",'+p[1]);let r=com.getStatusCode(p[0]);if(0==r)if(com.sendMessage(p[0],"READ"),r=com.getStatusCode(p[0]),0==r){let g=com.pullMessage(p[0]);eval(g)}else println("I/O Error");else println("TVDOS.SYS not found");println("Shutting down...");println("It is now safe to turn off the power");
\ No newline at end of file
diff --git a/assets/disk0/root.bootable/AUTOEXEC.BAT b/assets/disk0/root.bootable/AUTOEXEC.BAT
new file mode 100644
index 0000000..7f37bc8
--- /dev/null
+++ b/assets/disk0/root.bootable/AUTOEXEC.BAT
@@ -0,0 +1,8 @@
+echo "Starting TVDOS..."
+
+rem put set-xxx commands here:
+rem e.g. set PATH=\home\my-cool-project;$PATH
+set KEYBOARD=us_qwerty
+
+rem this line specifies which shell to be presented after the boot precess:
+command /fancy
diff --git a/tsvm_executable/src/net/torvald/tsvm/BuildTvdosBootable.kt b/tsvm_executable/src/net/torvald/tsvm/BuildTvdosBootable.kt
new file mode 100644
index 0000000..d19ae71
--- /dev/null
+++ b/tsvm_executable/src/net/torvald/tsvm/BuildTvdosBootable.kt
@@ -0,0 +1,44 @@
+package net.torvald.tsvm
+
+import net.torvald.terrarum.modulecomputers.virtualcomputer.tvd.VDUtil
+import net.torvald.tsvm.VM
+import java.io.File
+
+/**
+ * Created by minjaesong on 2022-12-21.
+ */
+fun main(args: Array<String>) {
+    if (args.size != 1)
+        println("Usage: java -jar BuildTvdosBootable.jar outfile")
+
+    val disk = VDUtil.createNewDisk(720L shl 10, "TVDOS", VM.CHARSET)
+
+    val tvdosDir = VDUtil.addDir(disk, 0, "tvdos".toByteArray(VM.CHARSET))
+    val homeDir = VDUtil.addDir(disk, 0, "home".toByteArray(VM.CHARSET))
+
+    //tvdos/bin/*
+    VDUtil.importDirRecurse(disk, File("assets/disk0/tvdos/bin"), tvdosDir, VM.CHARSET)
+
+    //tvdos/*
+    listOf(
+        VDUtil.importFile(File("assets/disk0/tvdos/gl.js"), disk.generateUniqueID(), VM.CHARSET),
+        VDUtil.importFile(File("assets/disk0/tvdos/TVDOS.SYS"), disk.generateUniqueID(), VM.CHARSET),
+        VDUtil.importFile(File("assets/disk0/tvdos/us_colemak.key"), disk.generateUniqueID(), VM.CHARSET),
+        VDUtil.importFile(File("assets/disk0/tvdos/us_qwerty.key"), disk.generateUniqueID(), VM.CHARSET),
+//        VDUtil.importFile(File("assets/disk0/tvdos/wall.bytes"), disk.generateUniqueID(), VM.CHARSET),
+//        VDUtil.importFile(File("assets/disk0/tvdos/wall.png"), disk.generateUniqueID(), VM.CHARSET),
+    ).forEach {
+        VDUtil.addFile(disk, tvdosDir, it)
+    }
+
+    // bare file in root dir
+    listOf(
+        VDUtil.importFile(File("assets/disk0/root.bootable/!BOOTSEC"), disk.generateUniqueID(), VM.CHARSET),
+        VDUtil.importFile(File("assets/disk0/root.bootable/AUTOEXEC.BAT"), disk.generateUniqueID(), VM.CHARSET),
+    ).forEach {
+        VDUtil.addFile(disk, 0, it)
+    }
+
+
+    VDUtil.dumpToRealMachine(disk, File(args[0]))
+}