diff --git a/lib/commands.js b/lib/commands.js
new file mode 100644
index 0000000..51ff9bd
--- /dev/null
+++ b/lib/commands.js
@@ -0,0 +1,21 @@
+const commit = require('./commit');
+
+const help = () => {
+	//TODO
+	console.log('Mark -- mark your progress at work.');
+};
+
+const login = () => {
+	//TODO
+};
+
+const logout = () => {
+	//TODO
+};
+
+module.exports = {
+	help,
+	login,
+	logout,
+	commit
+}
\ No newline at end of file
diff --git a/lib/commit.js b/lib/commit.js
new file mode 100644
index 0000000..c96a93c
--- /dev/null
+++ b/lib/commit.js
@@ -0,0 +1,4 @@
+const commit = args => {
+	//TODO
+};
+module.exports = commit;
\ No newline at end of file