--- /sys/src/cmd/rc/plan9.c	Thu May 19 11:48:54 2016
+++ ../frontmods/rc/plan9.c	Fri Dec  7 23:24:25 2018
@@ -81,11 +81,13 @@
 			arg|=RFFDG;    break;
 		case 'F':
 			arg|=RFCFDG;   break;
+		case 'V':
+			arg|=RFCSRVG;  break;
 		}
 		break;
 	default:
 	Usage:
-		pfmt(err, "Usage: %s [fnesFNEm]\n", runq->argv->words->word);
+		pfmt(err, "Usage: %s [fnesFNEmV]\n", runq->argv->words->word);
 		setstatus("rfork usage");
 		poplist();
 		return;