diff --git a/boards/sim/sim/sim/configs/bastest/defconfig b/boards/sim/sim/sim/configs/bastest/defconfig
index 24de19f37d2..ea7d4a271ff 100644
--- a/boards/sim/sim/sim/configs/bastest/defconfig
+++ b/boards/sim/sim/sim/configs/bastest/defconfig
@@ -47,7 +47,7 @@ CONFIG_NSH_BUILTIN_APPS=y
 CONFIG_NSH_CONSOLE_LOGIN=y
 CONFIG_NSH_FILE_APPS=y
 CONFIG_NSH_MOTD=y
-CONFIG_NSH_MOTD_STRING="MOTD: username=admin password=Administrator"
+CONFIG_NSH_MOTD_STRING="This is an example NuttX Message Of The Day (MOTD). Have fun!"
 CONFIG_NSH_READLINE=y
 CONFIG_PATH_INITIAL="/bin"
 CONFIG_READLINE_TABCOMPLETION=y
diff --git a/boards/sim/sim/sim/configs/citest/defconfig b/boards/sim/sim/sim/configs/citest/defconfig
index f6a89d07530..8d0f6e3602a 100644
--- a/boards/sim/sim/sim/configs/citest/defconfig
+++ b/boards/sim/sim/sim/configs/citest/defconfig
@@ -100,7 +100,7 @@ CONFIG_NSH_BUILTIN_APPS=y
 CONFIG_NSH_DISABLE_DATE=y
 CONFIG_NSH_DISABLE_TIMEDATECTL=y
 CONFIG_NSH_MOTD=y
-CONFIG_NSH_MOTD_STRING="MOTD: username=admin password=Administrator"
+CONFIG_NSH_MOTD_STRING="This is an example NuttX Message Of The Day (MOTD). Have fun!"
 CONFIG_NSH_READLINE=y
 CONFIG_PATH_INITIAL="/bin"
 CONFIG_PM=y
diff --git a/boards/sim/sim/sim/configs/duktape/defconfig b/boards/sim/sim/sim/configs/duktape/defconfig
index 454a50775f8..2fbb4bcc2b6 100644
--- a/boards/sim/sim/sim/configs/duktape/defconfig
+++ b/boards/sim/sim/sim/configs/duktape/defconfig
@@ -43,7 +43,7 @@ CONFIG_NSH_BUILTIN_APPS=y
 CONFIG_NSH_CONSOLE_LOGIN=y
 CONFIG_NSH_FILE_APPS=y
 CONFIG_NSH_MOTD=y
-CONFIG_NSH_MOTD_STRING="MOTD: username=admin password=Administrator"
+CONFIG_NSH_MOTD_STRING="This is an example NuttX Message Of The Day (MOTD). Have fun!"
 CONFIG_NSH_READLINE=y
 CONFIG_PATH_INITIAL="/bin"
 CONFIG_READLINE_TABCOMPLETION=y
diff --git a/boards/sim/sim/sim/configs/elf/defconfig b/boards/sim/sim/sim/configs/elf/defconfig
index 5323f3fe950..e4bfeabdd90 100644
--- a/boards/sim/sim/sim/configs/elf/defconfig
+++ b/boards/sim/sim/sim/configs/elf/defconfig
@@ -42,7 +42,7 @@ CONFIG_NSH_ARCHINIT=y
 CONFIG_NSH_BUILTIN_APPS=y
 CONFIG_NSH_FILE_APPS=y
 CONFIG_NSH_MOTD=y
-CONFIG_NSH_MOTD_STRING="MOTD: username=admin password=Administrator"
+CONFIG_NSH_MOTD_STRING="This is an example NuttX Message Of The Day (MOTD). Have fun!"
 CONFIG_NSH_READLINE=y
 CONFIG_PATH_INITIAL="/bin"
 CONFIG_READLINE_TABCOMPLETION=y
diff --git a/boards/sim/sim/sim/configs/foc/defconfig b/boards/sim/sim/sim/configs/foc/defconfig
index 8725c0097c6..128f384213f 100644
--- a/boards/sim/sim/sim/configs/foc/defconfig
+++ b/boards/sim/sim/sim/configs/foc/defconfig
@@ -81,7 +81,7 @@ CONFIG_NSH_ARCHINIT=y
 CONFIG_NSH_BUILTIN_APPS=y
 CONFIG_NSH_FILE_APPS=y
 CONFIG_NSH_MOTD=y
-CONFIG_NSH_MOTD_STRING="MOTD: username=admin password=Administrator"
+CONFIG_NSH_MOTD_STRING="This is an example NuttX Message Of The Day (MOTD). Have fun!"
 CONFIG_NSH_READLINE=y
 CONFIG_PATH_INITIAL="/bin"
 CONFIG_READLINE_TABCOMPLETION=y
diff --git a/boards/sim/sim/sim/configs/matter/defconfig b/boards/sim/sim/sim/configs/matter/defconfig
index 34eeb8afec0..1ff18643529 100644
--- a/boards/sim/sim/sim/configs/matter/defconfig
+++ b/boards/sim/sim/sim/configs/matter/defconfig
@@ -97,7 +97,7 @@ CONFIG_NSH_ARCHINIT=y
 CONFIG_NSH_BUILTIN_APPS=y
 CONFIG_NSH_FILE_APPS=y
 CONFIG_NSH_MOTD=y
-CONFIG_NSH_MOTD_STRING="MOTD: username=admin password=Administrator"
+CONFIG_NSH_MOTD_STRING="This is an example NuttX Message Of The Day (MOTD). Have fun!"
 CONFIG_NSH_READLINE=y
 CONFIG_PATH_INITIAL="/bin"
 CONFIG_PSEUDOFS_ATTRIBUTES=y
diff --git a/boards/sim/sim/sim/configs/minmea/defconfig b/boards/sim/sim/sim/configs/minmea/defconfig
index 2fa02b88500..3310da1e4e1 100644
--- a/boards/sim/sim/sim/configs/minmea/defconfig
+++ b/boards/sim/sim/sim/configs/minmea/defconfig
@@ -52,7 +52,7 @@ CONFIG_NSH_BUILTIN_APPS=y
 CONFIG_NSH_CONSOLE_LOGIN=y
 CONFIG_NSH_FILE_APPS=y
 CONFIG_NSH_MOTD=y
-CONFIG_NSH_MOTD_STRING="MOTD: username=admin password=Administrator"
+CONFIG_NSH_MOTD_STRING="This is an example NuttX Message Of The Day (MOTD). Have fun!"
 CONFIG_NSH_READLINE=y
 CONFIG_PATH_INITIAL="/bin"
 CONFIG_PSEUDOFS_ATTRIBUTES=y
diff --git a/boards/sim/sim/sim/configs/mnemofs/defconfig b/boards/sim/sim/sim/configs/mnemofs/defconfig
index 58254c78170..7894f88cfbb 100644
--- a/boards/sim/sim/sim/configs/mnemofs/defconfig
+++ b/boards/sim/sim/sim/configs/mnemofs/defconfig
@@ -61,7 +61,7 @@ CONFIG_NSH_BUILTIN_APPS=y
 CONFIG_NSH_CONSOLE_LOGIN=y
 CONFIG_NSH_FILE_APPS=y
 CONFIG_NSH_MOTD=y
-CONFIG_NSH_MOTD_STRING="MOTD: username=admin password=Administrator"
+CONFIG_NSH_MOTD_STRING="This is an example NuttX Message Of The Day (MOTD). Have fun!"
 CONFIG_NSH_READLINE=y
 CONFIG_PATH_INITIAL="/bin"
 CONFIG_PSEUDOFS_ATTRIBUTES=y
diff --git a/boards/sim/sim/sim/configs/nand/defconfig b/boards/sim/sim/sim/configs/nand/defconfig
index 060c5faf4ab..e03700a517d 100644
--- a/boards/sim/sim/sim/configs/nand/defconfig
+++ b/boards/sim/sim/sim/configs/nand/defconfig
@@ -60,7 +60,7 @@ CONFIG_NSH_BUILTIN_APPS=y
 CONFIG_NSH_CONSOLE_LOGIN=y
 CONFIG_NSH_FILE_APPS=y
 CONFIG_NSH_MOTD=y
-CONFIG_NSH_MOTD_STRING="MOTD: username=admin password=Administrator"
+CONFIG_NSH_MOTD_STRING="This is an example NuttX Message Of The Day (MOTD). Have fun!"
 CONFIG_NSH_READLINE=y
 CONFIG_PATH_INITIAL="/bin"
 CONFIG_PSEUDOFS_ATTRIBUTES=y
diff --git a/boards/sim/sim/sim/configs/posix_spawn/defconfig b/boards/sim/sim/sim/configs/posix_spawn/defconfig
index 0a2a388a978..256a90b606d 100644
--- a/boards/sim/sim/sim/configs/posix_spawn/defconfig
+++ b/boards/sim/sim/sim/configs/posix_spawn/defconfig
@@ -43,7 +43,7 @@ CONFIG_NSH_ARCHINIT=y
 CONFIG_NSH_BUILTIN_APPS=y
 CONFIG_NSH_FILE_APPS=y
 CONFIG_NSH_MOTD=y
-CONFIG_NSH_MOTD_STRING="MOTD: username=admin password=Administrator"
+CONFIG_NSH_MOTD_STRING="This is an example NuttX Message Of The Day (MOTD). Have fun!"
 CONFIG_NSH_READLINE=y
 CONFIG_PATH_INITIAL="/mnt/romfs"
 CONFIG_READLINE_TABCOMPLETION=y
diff --git a/boards/sim/sim/sim/configs/posix_test/defconfig b/boards/sim/sim/sim/configs/posix_test/defconfig
index 4e936955c26..50a255c6ddd 100644
--- a/boards/sim/sim/sim/configs/posix_test/defconfig
+++ b/boards/sim/sim/sim/configs/posix_test/defconfig
@@ -65,7 +65,7 @@ CONFIG_NSH_ARCHINIT=y
 CONFIG_NSH_BUILTIN_APPS=y
 CONFIG_NSH_FILE_APPS=y
 CONFIG_NSH_MOTD=y
-CONFIG_NSH_MOTD_STRING="MOTD: username=admin password=Administrator"
+CONFIG_NSH_MOTD_STRING="This is an example NuttX Message Of The Day (MOTD). Have fun!"
 CONFIG_NSH_READLINE=y
 CONFIG_PATH_INITIAL="/bin"
 CONFIG_PIPES=y
diff --git a/boards/sim/sim/sim/configs/romfs/defconfig b/boards/sim/sim/sim/configs/romfs/defconfig
index e24a1bcf5eb..46e20c4f283 100644
--- a/boards/sim/sim/sim/configs/romfs/defconfig
+++ b/boards/sim/sim/sim/configs/romfs/defconfig
@@ -43,7 +43,7 @@ CONFIG_NSH_BUILTIN_APPS=y
 CONFIG_NSH_CONSOLE_LOGIN=y
 CONFIG_NSH_FILE_APPS=y
 CONFIG_NSH_MOTD=y
-CONFIG_NSH_MOTD_STRING="MOTD: username=admin password=Administrator"
+CONFIG_NSH_MOTD_STRING="This is an example NuttX Message Of The Day (MOTD). Have fun!"
 CONFIG_NSH_READLINE=y
 CONFIG_PATH_INITIAL="/bin"
 CONFIG_READLINE_TABCOMPLETION=y
diff --git a/boards/sim/sim/sim/configs/rust/defconfig b/boards/sim/sim/sim/configs/rust/defconfig
index 4ee477efd87..d12fb83ca7d 100644
--- a/boards/sim/sim/sim/configs/rust/defconfig
+++ b/boards/sim/sim/sim/configs/rust/defconfig
@@ -49,7 +49,7 @@ CONFIG_NSH_BUILTIN_APPS=y
 CONFIG_NSH_CONSOLE_LOGIN=y
 CONFIG_NSH_FILE_APPS=y
 CONFIG_NSH_MOTD=y
-CONFIG_NSH_MOTD_STRING="MOTD: username=admin password=Administrator"
+CONFIG_NSH_MOTD_STRING="This is an example NuttX Message Of The Day (MOTD). Have fun!"
 CONFIG_NSH_READLINE=y
 CONFIG_PATH_INITIAL="/bin"
 CONFIG_PSEUDOFS_ATTRIBUTES=y
diff --git a/boards/sim/sim/sim/configs/segger/defconfig b/boards/sim/sim/sim/configs/segger/defconfig
index 56e58c9044c..63f1522c50d 100644
--- a/boards/sim/sim/sim/configs/segger/defconfig
+++ b/boards/sim/sim/sim/configs/segger/defconfig
@@ -52,7 +52,7 @@ CONFIG_NSH_ARCHINIT=y
 CONFIG_NSH_BUILTIN_APPS=y
 CONFIG_NSH_FILE_APPS=y
 CONFIG_NSH_MOTD=y
-CONFIG_NSH_MOTD_STRING="MOTD: username=admin password=Administrator"
+CONFIG_NSH_MOTD_STRING="This is an example NuttX Message Of The Day (MOTD). Have fun!"
 CONFIG_NSH_READLINE=y
 CONFIG_PATH_INITIAL="/bin"
 CONFIG_PSEUDOFS_ATTRIBUTES=y
diff --git a/boards/sim/sim/sim/configs/smartfs/defconfig b/boards/sim/sim/sim/configs/smartfs/defconfig
index 9f809f7e888..cee09a6f2c1 100644
--- a/boards/sim/sim/sim/configs/smartfs/defconfig
+++ b/boards/sim/sim/sim/configs/smartfs/defconfig
@@ -47,7 +47,7 @@ CONFIG_NSH_CONSOLE_LOGIN=y
 CONFIG_NSH_DISABLE_LOSMART=y
 CONFIG_NSH_FILE_APPS=y
 CONFIG_NSH_MOTD=y
-CONFIG_NSH_MOTD_STRING="MOTD: username=admin password=Administrator"
+CONFIG_NSH_MOTD_STRING="This is an example NuttX Message Of The Day (MOTD). Have fun!"
 CONFIG_NSH_READLINE=y
 CONFIG_PSEUDOFS_ATTRIBUTES=y
 CONFIG_PSEUDOFS_SOFTLINKS=y
diff --git a/boards/sim/sim/sim/configs/wakaama/defconfig b/boards/sim/sim/sim/configs/wakaama/defconfig
index b7d1341573f..34e2b7a94ca 100644
--- a/boards/sim/sim/sim/configs/wakaama/defconfig
+++ b/boards/sim/sim/sim/configs/wakaama/defconfig
@@ -50,7 +50,7 @@ CONFIG_NET_USRSOCK_UDP=y
 CONFIG_NSH_ARCHINIT=y
 CONFIG_NSH_BUILTIN_APPS=y
 CONFIG_NSH_MOTD=y
-CONFIG_NSH_MOTD_STRING="MOTD: username=admin password=Administrator"
+CONFIG_NSH_MOTD_STRING="This is an example NuttX Message Of The Day (MOTD). Have fun!"
 CONFIG_NSH_READLINE=y
 CONFIG_READLINE_TABCOMPLETION=y
 CONFIG_SCHED_HAVE_PARENT=y
diff --git a/boards/sim/sim/sim/configs/zipfs/defconfig b/boards/sim/sim/sim/configs/zipfs/defconfig
index 35b7448e3cc..08193262716 100644
--- a/boards/sim/sim/sim/configs/zipfs/defconfig
+++ b/boards/sim/sim/sim/configs/zipfs/defconfig
@@ -52,7 +52,7 @@ CONFIG_NSH_ARCHINIT=y
 CONFIG_NSH_BUILTIN_APPS=y
 CONFIG_NSH_FILE_APPS=y
 CONFIG_NSH_MOTD=y
-CONFIG_NSH_MOTD_STRING="MOTD: username=admin password=Administrator"
+CONFIG_NSH_MOTD_STRING="This is an example NuttX Message Of The Day (MOTD). Have fun!"
 CONFIG_NSH_READLINE=y
 CONFIG_PATH_INITIAL="/bin"
 CONFIG_PSEUDOFS_ATTRIBUTES=y