diff --git a/bin/tmuxifier b/bin/tmuxifier
index 2cfaf33..60ea355 100755
--- a/bin/tmuxifier
+++ b/bin/tmuxifier
@@ -15,9 +15,14 @@ export PATH="$TMUXIFIER/libexec:$PATH"
 
 command="$1"
 case "$command" in
-  "" | "-h" | "--help" | "help" )
-    echo "[ put help message here ]"
+  "" | "-h" | "--help" )
+    echo -e "tmuxifier $(tmuxifier-version)\n$(tmuxifier-help)" >&2
     ;;
+
+  "-v" | "--version" )
+    tmuxifier-version
+    ;;
+
   * )
     command_path="$(command -v "tmuxifier-$command" || true)"
     if [ -z $command_path ]; then
diff --git a/libexec/tmuxifier-help b/libexec/tmuxifier-help
new file mode 100755
index 0000000..44fbe47
--- /dev/null
+++ b/libexec/tmuxifier-help
@@ -0,0 +1,31 @@
+#! /usr/bin/env bash
+set -e
+[ -n "$TMUXIFIER_DEBUG" ] && set -x
+
+case $1 in
+  "" )
+    echo "Usage: tmuxifier <command> [<args>]
+
+Some useful tmuxifier commands are:
+   session            Load the specified session layout.
+   window             Load the specified window layout into current session.
+   list               List all session and window layouts.
+   list-sessions      List session layouts.
+   list-windows       List window layouts.
+   commands           List all tmuxifier commands.
+
+See 'tmuxifier help <command>' for information on a specific command."
+    ;;
+  * )
+    command_path="$(command -v "tmuxifier-$1" || true)"
+    if [ -n "$command_path" ]; then
+      echo "Sorry, the \`$1' command isn't documented yet."
+      echo
+      echo "You can view the command's source here:"
+      echo "$command_path"
+      echo
+    else
+      echo "tmuxifier: no such command \`$1'"
+    fi
+    ;;
+esac
diff --git a/libexec/tmuxifier-version b/libexec/tmuxifier-version
new file mode 100755
index 0000000..646517f
--- /dev/null
+++ b/libexec/tmuxifier-version
@@ -0,0 +1,5 @@
+#! /usr/bin/env bash
+set -e
+[ -n "$TMUXIFIER_DEBUG" ] && set -x
+
+echo "0.0.1"