executeCommand has been removed in favor of connect and manualHack, which is what people have been asking for.

doc/source/netscript/singularityfunctions/manualHack.rst

@@ -0,0 +1,24 @@
+manualHack() Netscript Function
+===============================
+
+.. js:function:: manualHack()
+
+    :RAM cost: 2 GB
+    :returns: The amount of money stolen if the hack is successful, and zero otherwise
+
+    If you are not in BitNode-4, then you must have Level 1 of Source-File 4 in order to use this function.
+
+    This function will perform a manual hack on the server you are currently connected to.
+    This is typically required to join factions.
+
+    Examples:
+
+    .. code-block:: javascript
+
+        connect("CSEC");
+        manualHack();
+
+    .. warning::
+        For NS2 users:
+
+        This function is async.