diff --git a/boards/xtensa/esp32s3/esp32s3-box/configs/buttons/defconfig b/boards/xtensa/esp32s3/esp32s3-box/configs/buttons/defconfig
index 7216dfdf27e..7d4b5579bce 100644
--- a/boards/xtensa/esp32s3/esp32s3-box/configs/buttons/defconfig
+++ b/boards/xtensa/esp32s3/esp32s3-box/configs/buttons/defconfig
@@ -30,19 +30,24 @@ CONFIG_DEBUG_FULLOPT=y
 CONFIG_DEBUG_SYMBOLS=y
 CONFIG_ESP32S3_GPIO_IRQ=y
 CONFIG_ESP32S3_USBSERIAL=y
+CONFIG_ETC_ROMFS=y
 CONFIG_EXAMPLES_BUTTONS=y
 CONFIG_EXAMPLES_BUTTONS_NAME0="BOOT"
 CONFIG_EXAMPLES_BUTTONS_NAMES=y
 CONFIG_EXAMPLES_BUTTONS_QTD=1
+CONFIG_EXPERIMENTAL=y
 CONFIG_FS_PROCFS=y
+CONFIG_FS_ROMFS=y
 CONFIG_HAVE_CXX=y
 CONFIG_HAVE_CXXINITIALIZE=y
 CONFIG_IDLETHREAD_STACKSIZE=3072
-CONFIG_INIT_ENTRYPOINT="nsh_main"
+CONFIG_INIT_ENTRYPOINT="init_main"
+CONFIG_INIT_STACKSIZE=8192
 CONFIG_INPUT=y
 CONFIG_INPUT_BUTTONS=y
 CONFIG_INPUT_BUTTONS_LOWER=y
 CONFIG_INTELHEX_BINARY=y
+CONFIG_LIBC_EXECFUNCS=y
 CONFIG_LINE_MAX=64
 CONFIG_NSH_BUILTIN_APPS=y
 CONFIG_NSH_FILEIOSIZE=512
@@ -51,9 +56,13 @@ CONFIG_PREALLOC_TIMERS=4
 CONFIG_RAM_SIZE=114688
 CONFIG_RAM_START=0x20000000
 CONFIG_RR_INTERVAL=200
+CONFIG_SCHED_CHILD_STATUS=y
+CONFIG_SCHED_HAVE_PARENT=y
 CONFIG_SCHED_WAITPID=y
 CONFIG_START_DAY=6
 CONFIG_START_MONTH=12
 CONFIG_START_YEAR=2011
 CONFIG_SYSLOG_BUFFER=y
 CONFIG_SYSTEM_NSH=y
+CONFIG_SYSTEM_NSH_STACKSIZE=8192
+CONFIG_SYSTEM_NXINIT=y
diff --git a/boards/xtensa/esp32s3/esp32s3-box/configs/lvgl-3/defconfig b/boards/xtensa/esp32s3/esp32s3-box/configs/lvgl-3/defconfig
index 0757055a1c2..36b682fbee8 100644
--- a/boards/xtensa/esp32s3/esp32s3-box/configs/lvgl-3/defconfig
+++ b/boards/xtensa/esp32s3/esp32s3-box/configs/lvgl-3/defconfig
@@ -42,18 +42,22 @@ CONFIG_ESP32S3_SPIRAM_MODE_OCT=y
 CONFIG_ESP32S3_SPIRAM_SPEED_80M=y
 CONFIG_ESP32S3_SPI_SWCS=y
 CONFIG_ESP32S3_USBSERIAL=y
+CONFIG_ETC_ROMFS=y
 CONFIG_EXAMPLES_LVGLDEMO=y
+CONFIG_EXPERIMENTAL=y
 CONFIG_FS_PROCFS=y
+CONFIG_FS_ROMFS=y
 CONFIG_GRAPHICS_LVGL=y
 CONFIG_HAVE_CXX=y
 CONFIG_HAVE_CXXINITIALIZE=y
 CONFIG_IDLETHREAD_STACKSIZE=3072
-CONFIG_INIT_ENTRYPOINT="nsh_main"
-CONFIG_INIT_STACKSIZE=3072
+CONFIG_INIT_ENTRYPOINT="init_main"
+CONFIG_INIT_STACKSIZE=8192
 CONFIG_INTELHEX_BINARY=y
 CONFIG_LCD_ILI9341=y
 CONFIG_LCD_ILI9341_IFACE0=y
 CONFIG_LCD_RPORTRAIT=y
+CONFIG_LIBC_EXECFUNCS=y
 CONFIG_LINE_MAX=64
 CONFIG_LV_FONT_MONTSERRAT_20=y
 CONFIG_LV_NUTTX_LCD_DOUBLE_BUFFER=y
@@ -74,6 +78,8 @@ CONFIG_PREALLOC_TIMERS=4
 CONFIG_RAM_SIZE=114688
 CONFIG_RAM_START=0x20000000
 CONFIG_RR_INTERVAL=200
+CONFIG_SCHED_CHILD_STATUS=y
+CONFIG_SCHED_HAVE_PARENT=y
 CONFIG_SCHED_LPWORK=y
 CONFIG_SCHED_WAITPID=y
 CONFIG_SPI_CMDDATA=y
@@ -82,3 +88,5 @@ CONFIG_START_MONTH=12
 CONFIG_START_YEAR=2011
 CONFIG_SYSLOG_BUFFER=y
 CONFIG_SYSTEM_NSH=y
+CONFIG_SYSTEM_NSH_STACKSIZE=8192
+CONFIG_SYSTEM_NXINIT=y
diff --git a/boards/xtensa/esp32s3/esp32s3-box/configs/lvgl/defconfig b/boards/xtensa/esp32s3/esp32s3-box/configs/lvgl/defconfig
index 188c3e4a149..eee1ef84be3 100644
--- a/boards/xtensa/esp32s3/esp32s3-box/configs/lvgl/defconfig
+++ b/boards/xtensa/esp32s3/esp32s3-box/configs/lvgl/defconfig
@@ -43,20 +43,24 @@ CONFIG_ESP32S3_SPIRAM_SPEED_80M=y
 CONFIG_ESP32S3_SPI_SWCS=y
 CONFIG_ESP32S3_USBSERIAL=y
 CONFIG_ESP32_S3_BOX=y
+CONFIG_ETC_ROMFS=y
 CONFIG_EXAMPLES_LVGLDEMO=y
+CONFIG_EXPERIMENTAL=y
 CONFIG_FS_PROCFS=y
+CONFIG_FS_ROMFS=y
 CONFIG_GRAPHICS_LVGL=y
 CONFIG_HAVE_CXX=y
 CONFIG_HAVE_CXXINITIALIZE=y
 CONFIG_IDLETHREAD_STACKSIZE=3072
-CONFIG_INIT_ENTRYPOINT="nsh_main"
-CONFIG_INIT_STACKSIZE=3072
+CONFIG_INIT_ENTRYPOINT="init_main"
+CONFIG_INIT_STACKSIZE=8192
 CONFIG_INTELHEX_BINARY=y
 CONFIG_LCD_RPORTRAIT=y
 CONFIG_LCD_ST7789_BGR=y
 CONFIG_LCD_ST7789_FREQUENCY=40000000
 CONFIG_LCD_ST7789_XRES=320
 CONFIG_LCD_ST7789_YRES=240
+CONFIG_LIBC_EXECFUNCS=y
 CONFIG_LINE_MAX=64
 CONFIG_LV_FONT_MONTSERRAT_20=y
 CONFIG_LV_NUTTX_LCD_DOUBLE_BUFFER=y
@@ -77,6 +81,8 @@ CONFIG_PREALLOC_TIMERS=4
 CONFIG_RAM_SIZE=114688
 CONFIG_RAM_START=0x20000000
 CONFIG_RR_INTERVAL=200
+CONFIG_SCHED_CHILD_STATUS=y
+CONFIG_SCHED_HAVE_PARENT=y
 CONFIG_SCHED_LPWORK=y
 CONFIG_SCHED_WAITPID=y
 CONFIG_SPI_CMDDATA=y
@@ -85,3 +91,5 @@ CONFIG_START_MONTH=12
 CONFIG_START_YEAR=2011
 CONFIG_SYSLOG_BUFFER=y
 CONFIG_SYSTEM_NSH=y
+CONFIG_SYSTEM_NSH_STACKSIZE=8192
+CONFIG_SYSTEM_NXINIT=y
diff --git a/boards/xtensa/esp32s3/esp32s3-box/configs/nsh/defconfig b/boards/xtensa/esp32s3/esp32s3-box/configs/nsh/defconfig
index 8de0f8e6685..0b855804342 100644
--- a/boards/xtensa/esp32s3/esp32s3-box/configs/nsh/defconfig
+++ b/boards/xtensa/esp32s3/esp32s3-box/configs/nsh/defconfig
@@ -27,13 +27,17 @@ CONFIG_BUILTIN=y
 CONFIG_DEBUG_FULLOPT=y
 CONFIG_DEBUG_SYMBOLS=y
 CONFIG_ESP32S3_USBSERIAL=y
+CONFIG_ETC_ROMFS=y
+CONFIG_EXPERIMENTAL=y
 CONFIG_FS_PROCFS=y
+CONFIG_FS_ROMFS=y
 CONFIG_HAVE_CXX=y
 CONFIG_HAVE_CXXINITIALIZE=y
 CONFIG_IDLETHREAD_STACKSIZE=3072
-CONFIG_INIT_ENTRYPOINT="nsh_main"
-CONFIG_INIT_STACKSIZE=3072
+CONFIG_INIT_ENTRYPOINT="init_main"
+CONFIG_INIT_STACKSIZE=8192
 CONFIG_INTELHEX_BINARY=y
+CONFIG_LIBC_EXECFUNCS=y
 CONFIG_LINE_MAX=64
 CONFIG_NSH_BUILTIN_APPS=y
 CONFIG_NSH_FILEIOSIZE=512
@@ -42,9 +46,13 @@ CONFIG_PREALLOC_TIMERS=4
 CONFIG_RAM_SIZE=114688
 CONFIG_RAM_START=0x20000000
 CONFIG_RR_INTERVAL=200
+CONFIG_SCHED_CHILD_STATUS=y
+CONFIG_SCHED_HAVE_PARENT=y
 CONFIG_SCHED_WAITPID=y
 CONFIG_START_DAY=6
 CONFIG_START_MONTH=12
 CONFIG_START_YEAR=2011
 CONFIG_SYSLOG_BUFFER=y
 CONFIG_SYSTEM_NSH=y
+CONFIG_SYSTEM_NSH_STACKSIZE=8192
+CONFIG_SYSTEM_NXINIT=y
diff --git a/boards/xtensa/esp32s3/esp32s3-box/configs/touchscreen/defconfig b/boards/xtensa/esp32s3/esp32s3-box/configs/touchscreen/defconfig
index 7946c2d3cb4..07a5f06d63a 100644
--- a/boards/xtensa/esp32s3/esp32s3-box/configs/touchscreen/defconfig
+++ b/boards/xtensa/esp32s3/esp32s3-box/configs/touchscreen/defconfig
@@ -26,14 +26,18 @@ CONFIG_BOARD_LOOPSPERMSEC=16717
 CONFIG_BUILTIN=y
 CONFIG_ESP32S3_BOARD_TOUCHSCREEN=y
 CONFIG_ESP32S3_USBSERIAL=y
+CONFIG_ETC_ROMFS=y
 CONFIG_EXAMPLES_TOUCHSCREEN=y
+CONFIG_EXPERIMENTAL=y
 CONFIG_FS_PROCFS=y
+CONFIG_FS_ROMFS=y
 CONFIG_HAVE_CXX=y
 CONFIG_HAVE_CXXINITIALIZE=y
 CONFIG_IDLETHREAD_STACKSIZE=3072
-CONFIG_INIT_ENTRYPOINT="nsh_main"
-CONFIG_INIT_STACKSIZE=3072
+CONFIG_INIT_ENTRYPOINT="init_main"
+CONFIG_INIT_STACKSIZE=8192
 CONFIG_INTELHEX_BINARY=y
+CONFIG_LIBC_EXECFUNCS=y
 CONFIG_LINE_MAX=64
 CONFIG_NSH_BUILTIN_APPS=y
 CONFIG_NSH_FILEIOSIZE=512
@@ -42,6 +46,8 @@ CONFIG_PREALLOC_TIMERS=4
 CONFIG_RAM_SIZE=114688
 CONFIG_RAM_START=0x20000000
 CONFIG_RR_INTERVAL=200
+CONFIG_SCHED_CHILD_STATUS=y
+CONFIG_SCHED_HAVE_PARENT=y
 CONFIG_SCHED_LPWORK=y
 CONFIG_SCHED_WAITPID=y
 CONFIG_START_DAY=6
@@ -49,3 +55,5 @@ CONFIG_START_MONTH=12
 CONFIG_START_YEAR=2011
 CONFIG_SYSLOG_BUFFER=y
 CONFIG_SYSTEM_NSH=y
+CONFIG_SYSTEM_NSH_STACKSIZE=8192
+CONFIG_SYSTEM_NXINIT=y