Added the 'rdate' command, thanks to Sterling Huxley <sterling@europa.com>.

I added the docs, and made behavior identical to the GNU version.
 -Erik

applets/busybox.c

@@ -226,6 +226,9 @@ const struct BB_applet applets[] = {
 #ifdef BB_PWD
 	{"pwd", pwd_main, _BB_DIR_BIN, pwd_usage},
 #endif
+#ifdef BB_RDATE
+	{"rdate", rdate_main, _BB_DIR_USR_BIN, rdate_usage},
+#endif
 #ifdef BB_REBOOT
 	{"reboot", reboot_main, _BB_DIR_SBIN, reboot_usage},
 #endif

applets/usage.c

@@ -855,6 +855,18 @@ const char pwd_usage[] =
 	;
 #endif
 
+#if defined BB_RDATE
+const char rdate_usage[] =
+	"rdate [OPTION] HOST\n"
+#ifndef BB_FEATURE_TRIVIAL_HELP
+	"\nGet and possibly set the system date and time from a remote HOST.\n"
+	"Options:\n"
+	"\t-s\tSet the system date and time (default).\n"
+	"\t-p\tPrint the date and time.\n"
+#endif
+	;
+#endif
+
 #if defined BB_REBOOT
 const char reboot_usage[] =
 	"reboot\n"