--- /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;