diff --git a/buildroot-v86/board/v86/rootfs_overlay/etc/profile b/buildroot-v86/board/v86/rootfs_overlay/etc/profile
index 5705800..1025392 100644
--- a/buildroot-v86/board/v86/rootfs_overlay/etc/profile
+++ b/buildroot-v86/board/v86/rootfs_overlay/etc/profile
@@ -32,7 +32,7 @@ help_tips(){
   echo ""
   echo 'TIPS'
   echo '----'
-  echo 'text editors          ' "type '<codemirror|vi|mg|nano> <textfile>'"
+  echo 'text editors          ' "type '<cm|vi|mg|nano> <textfile>'"
   echo 'programming languages ' "type 'ls ~/bin/helloworld*'"
   echo 'run 64bit linux app   ' "type 'blink <x86_64 binary>'"
   echo 'paste text            ' "ctrl/cmd+shift+v'"
diff --git a/buildroot-v86/board/v86/rootfs_overlay/root/bin/cm b/buildroot-v86/board/v86/rootfs_overlay/root/bin/cm
new file mode 120000
index 0000000..47fcefc
--- /dev/null
+++ b/buildroot-v86/board/v86/rootfs_overlay/root/bin/cm
@@ -0,0 +1 @@
+../opt/codemirror/codemirror
\ No newline at end of file
diff --git a/buildroot-v86/board/v86/rootfs_overlay/root/opt/codemirror/.env b/buildroot-v86/board/v86/rootfs_overlay/root/opt/codemirror/.env
index e35edd7..e31e475 100644
--- a/buildroot-v86/board/v86/rootfs_overlay/root/opt/codemirror/.env
+++ b/buildroot-v86/board/v86/rootfs_overlay/root/opt/codemirror/.env
@@ -1,2 +1,3 @@
 ln -fs $(pwd)/codemirror ~/bin/codemirror
+ln -fs $(pwd)/codemirror ~/bin/cm
 echo "enter 'codemirror <file>' to start codemirror"
diff --git a/dist/v86-linux.iso b/dist/v86-linux.iso
index b8a0389..9a7cd35 100644
Binary files a/dist/v86-linux.iso and b/dist/v86-linux.iso differ