diff --git a/arch/sim/src/nuttx-names.in b/arch/sim/src/nuttx-names.in
index a735846e147..2ccb8973acd 100644
--- a/arch/sim/src/nuttx-names.in
+++ b/arch/sim/src/nuttx-names.in
@@ -85,8 +85,10 @@ NXSYMBOLS(mprotect)
 NXSYMBOLS(munmap)
 NXSYMBOLS(open)
 NXSYMBOLS(opendir)
+NXSYMBOLS(pclose)
 NXSYMBOLS(perror)
 NXSYMBOLS(poll)
+NXSYMBOLS(popen)
 NXSYMBOLS(posix_memalign)
 NXSYMBOLS(posix_spawn)
 NXSYMBOLS(pthread_attr_init)
diff --git a/boards/sim/sim/sim/configs/sqlite/defconfig b/boards/sim/sim/sim/configs/sqlite/defconfig
index a787eb702ec..a65ced01ed0 100644
--- a/boards/sim/sim/sim/configs/sqlite/defconfig
+++ b/boards/sim/sim/sim/configs/sqlite/defconfig
@@ -46,6 +46,7 @@ CONFIG_NSH_BUILTIN_APPS=y
 CONFIG_NSH_FILE_APPS=y
 CONFIG_NSH_READLINE=y
 CONFIG_PATH_INITIAL="/bin"
+CONFIG_PIPES=y
 CONFIG_PSEUDOFS_SOFTLINKS=y
 CONFIG_PTHREAD_MUTEX_TYPES=y
 CONFIG_READLINE_TABCOMPLETION=y
@@ -54,5 +55,6 @@ CONFIG_SIM_HOSTFS=y
 CONFIG_START_MONTH=6
 CONFIG_START_YEAR=2008
 CONFIG_SYSTEM_NSH=y
+CONFIG_SYSTEM_POPEN=y
 CONFIG_SYSTEM_SYSTEM=y
 CONFIG_UTILS_SQLITE=y