diff -urNp -x '*.orig' sysvinit-2.99.org/src/init.c sysvinit-2.99/src/init.c
--- sysvinit-2.99.org/src/init.c	2021-02-25 08:11:43.504364931 +0100
+++ sysvinit-2.99/src/init.c	2021-02-25 08:11:43.584367421 +0100
@@ -153,6 +153,7 @@ struct utmp utproto;		/* Only used for s
 char *console_dev;		/* Console device. */
 int pipe_fd = -1;		/* /run/initctl */
 int did_boot = 0;		/* Did we already do BOOT* stuff? */
+int quiet = 0;			/* Should we be relatively silent? */
 int main(int, char **);
 
 /*	Used by re-exec part */
@@ -2069,7 +2070,7 @@ int read_level(int arg)
 			initlog(L_SY, "Trying to re-exec init");
 			return 'U';
 		default:
-		  	initlog(L_VB, "Switching to runlevel: %c", foo);
+		  	if (!quiet) initlog(L_VB, "Switching to runlevel: %c", foo);
 	}
 
 	if (foo == 'Q') {
@@ -2893,7 +2894,7 @@ void init_main(void)
   	/*
 	 *	Say hello to the world
 	 */
-  	initlog(L_CO, bootmsg, "booting");
+  	if (!quiet) initlog(L_CO, bootmsg, "booting");
 
   	/*
 	 *	See if we have to start an emergency shell.
@@ -3162,6 +3163,8 @@ int main(int argc, char **argv)
 		else if (!strcmp(argv[f], "-z")) {
 			/* Ignore -z xxx */
 			if (argv[f + 1]) f++;
+		} else if (!strcmp(argv[f], "quiet")) {
+			quiet = 1;
 		} else if (strchr("0123456789sS", argv[f][0])
 			&& strlen(argv[f]) == 1)
 			dfl_level = argv[f][0];