RAM Disk function using Mbed os5 standard library

Please refer following my Notebook page.
/users/kenjiArai/notebook/sd-card-control-new/#

Revision:
4:6650958e6eae
Parent:
1:58fc0cbd9a41
diff -r c31e9e43554b -r 6650958e6eae FatFs_Mon/mon.cpp
--- a/FatFs_Mon/mon.cpp	Fri Dec 27 03:00:50 2019 +0000
+++ b/FatFs_Mon/mon.cpp	Sat May 02 03:45:31 2020 +0000
@@ -2,13 +2,13 @@
  * mbed Application program for the mbed
  *  FatFs Check program / monitor part
  *
- * Copyright (c) 2015,'18,'19 Kenji Arai / JH1PJL
- *  http://www.page.sannet.ne.jp/kenjia/index.html
+ * Copyright (c) 2015,'18,'19,'20 Kenji Arai / JH1PJL
+ *  http://www7b.biglobe.ne.jp/~kenjia/
  *  https://os.mbed.com/users/kenjiArai/
  *      Created:    May        5th, 2015
  *      Revised:    June      14th, 2015
  *      Revised:    April      7th, 2018
- *      Revised:    December  24th, 2019
+ *      Revised:    May        2nd, 2020
  */
 
 /*
@@ -119,7 +119,7 @@
     "x     extend commands mode\r\n"
     "q     Return to main\r\n"
     "t     Show current time or Adjust time\r\n"
-    "      e.g. t 19 12 24 10 11 12 -> 2019-12-24 10:11:12\r\n"
+    "      e.g. t 20 5 2 10 11 12 -> May 02,'20, 10:11:12\r\n"
     "?     Help/You know the command\r\n"
     "\r\n";