diff -urNp -x '*.orig' src/halt.c src/halt.c
--- src/halt.c	2021-02-25 08:12:01.388254734 +0100
+++ src/halt.c	2021-02-25 08:12:01.484924408 +0100
@@ -75,7 +75,7 @@ extern void write_wtmp(char *user, char
  */
 void usage(void)
 {
-	fprintf(stderr, "usage: %s [-n] [-w] [-d] [-f] [-h] [-i]%s\n",
+	fprintf(stderr, "usage: %s [-n] [-w] [-d] [-f] [-h] [-i] [-c]%s\n",
 		progname, strcmp(progname, "halt") ? "" : " [-p]");
 	fprintf(stderr, "\t-n: don't sync before halting the system\n");
 	fprintf(stderr, "\t-w: only write a wtmp reboot record and exit.\n");
@@ -83,6 +83,7 @@ void usage(void)
 	fprintf(stderr, "\t-f: force halt/reboot, don't call shutdown.\n");
 	fprintf(stderr, "\t-h: put harddisks in standby mode.\n");
 	fprintf(stderr, "\t-i: shut down all network interfaces.\n");
+	fprintf(stderr, "\t-c: ask for confirmation.\n");
 	if (!strcmp(progname, "halt"))
 		fprintf(stderr, "\t-p: power down the system (if possible, otherwise halt).\n");
 	exit(1);
@@ -193,8 +194,10 @@ int main(int argc, char **argv)
 	int do_ifdown = 0;
 	int do_hddown = 0;
 	int do_poweroff = 0;
+	int do_confirm = 0;
 	int c;
 	char *tm = NULL;
+	char answer = 'n';
 
 	/*
 	 *	Find out who we are
@@ -212,7 +215,7 @@ int main(int argc, char **argv)
 	/*
 	 *	Get flags
 	 */
-	while((c = getopt(argc, argv, ":ihdfnpwt:")) != EOF) {
+	while((c = getopt(argc, argv, ":ihdfnpwct:")) != EOF) {
 		switch(c) {
 			case 'n':
 				do_sync = 0;
@@ -236,6 +239,9 @@ int main(int argc, char **argv)
 			case 'p':
 				do_poweroff = 1;
 				break;
+			case 'c':
+				do_confirm = 1;
+				break;
 			case 't':
 				tm = optarg;
 				break;
@@ -256,6 +262,11 @@ int main(int argc, char **argv)
 	}
 
 	if (!do_hard && !do_nothing) {
+		if (do_confirm) {
+			fprintf(stderr, "Are you sure you want to reboot? N/y.\n");
+			scanf("%c", &answer);
+			if (tolower(answer) != 'y') exit(1);
+		}
 		/*
 		 *	See if we are in runlevel 0 or 6.
 		 */