diff --git a/lib/posix/CMakeLists.txt b/lib/posix/CMakeLists.txt
index c8d836f5846..fed728c17ba 100644
--- a/lib/posix/CMakeLists.txt
+++ b/lib/posix/CMakeLists.txt
@@ -1,69 +1,4 @@
 # SPDX-License-Identifier: Apache-2.0
 
-set(GEN_DIR ${ZEPHYR_BINARY_DIR}/include/generated)
-
-zephyr_syscall_header(
-  posix_clock.h
-)
-
-zephyr_interface_library_named(posix_subsys)
-
-if(CONFIG_POSIX_API)
-  zephyr_include_directories(${ZEPHYR_BASE}/include/zephyr/posix)
-endif()
-
-if(CONFIG_POSIX_SIGNAL)
-  set(STRSIGNAL_TABLE_H ${GEN_DIR}/posix/strsignal_table.h)
-
-  add_custom_command(
-    OUTPUT ${STRSIGNAL_TABLE_H}
-    COMMAND
-    ${PYTHON_EXECUTABLE}
-    ${ZEPHYR_BASE}/scripts/build/gen_strsignal_table.py
-    -i ${ZEPHYR_BASE}/include/zephyr/posix/signal.h
-    -o ${STRSIGNAL_TABLE_H}
-    DEPENDS ${ZEPHYR_BASE}/include/zephyr/posix/signal.h
-  )
-endif()
-
-if(CONFIG_POSIX_API OR CONFIG_PTHREAD_IPC OR CONFIG_POSIX_CLOCK OR
-  CONFIG_POSIX_MQUEUE OR CONFIG_POSIX_FS OR CONFIG_EVENTFD OR CONFIG_GETOPT)
-  # This is a temporary workaround so that Newlib declares the appropriate
-  # types for us. POSIX features to be formalized as part of #51211
-  zephyr_compile_options($<$<COMPILE_LANGUAGE:C>:-D_POSIX_THREADS>)
-  zephyr_compile_options($<$<COMPILE_LANGUAGE:CXX>:-D_POSIX_THREADS>)
-endif()
-
-zephyr_library()
-add_subdirectory_ifdef(CONFIG_GETOPT getopt)
-add_subdirectory_ifdef(CONFIG_SHELL shell)
-zephyr_library_sources_ifdef(CONFIG_EVENTFD eventfd.c)
-zephyr_library_sources_ifdef(CONFIG_FNMATCH fnmatch.c)
-zephyr_library_sources_ifdef(CONFIG_POSIX_API perror.c)
-zephyr_library_sources_ifdef(CONFIG_POSIX_CLOCK clock.c)
-zephyr_library_sources_ifdef(CONFIG_POSIX_CLOCK nanosleep.c)
-zephyr_library_sources_ifdef(CONFIG_POSIX_CLOCK sleep.c)
-zephyr_library_sources_ifdef(CONFIG_POSIX_FS fs.c)
-zephyr_library_sources_ifdef(CONFIG_POSIX_MQUEUE mqueue.c)
-zephyr_library_sources_ifdef(CONFIG_POSIX_SIGNAL signal.c ${STRSIGNAL_TABLE_H})
-zephyr_library_sources_ifdef(CONFIG_POSIX_UNAME uname.c)
-zephyr_library_sources_ifdef(CONFIG_PTHREAD_IPC _common.c)
-zephyr_library_sources_ifdef(CONFIG_PTHREAD_BARRIER barrier.c)
-zephyr_library_sources_ifdef(CONFIG_PTHREAD_COND cond.c)
-zephyr_library_sources_ifdef(CONFIG_PTHREAD_KEY key.c)
-zephyr_library_sources_ifdef(CONFIG_PTHREAD_MUTEX mutex.c)
-zephyr_library_sources_ifdef(CONFIG_PTHREAD pthread.c)
-zephyr_library_sources_ifdef(CONFIG_PTHREAD_RWLOCK rwlock.c)
-zephyr_library_sources_ifdef(CONFIG_POSIX_PRIORITY_SCHEDULING sched.c)
-zephyr_library_sources_ifdef(CONFIG_PTHREAD_IPC semaphore.c)
-zephyr_library_sources_ifdef(CONFIG_PTHREAD_SPINLOCK spinlock.c)
-zephyr_library_sources_ifdef(CONFIG_TIMER timer.c)
-zephyr_library_sources_ifdef(CONFIG_POSIX_PUTMSG stropts.c)
-
-zephyr_library_include_directories(
-  ${ZEPHYR_BASE}/kernel/include
-  ${ARCH_DIR}/${ARCH}/include
-)
-
-zephyr_library_link_libraries(posix_subsys)
-zephyr_library_property(ALLOW_EMPTY TRUE)
+add_subdirectory(options)
+add_subdirectory(shell)
diff --git a/lib/posix/Kconfig b/lib/posix/Kconfig
index b2f379be8d1..534baf08cd2 100644
--- a/lib/posix/Kconfig
+++ b/lib/posix/Kconfig
@@ -1,82 +1,10 @@
-# Copyright (c) 2018 Intel Corporation
-# Copyright (c) 2023 Meta
+# Copyright (c) 2024 Meta
 #
 # SPDX-License-Identifier: Apache-2.0
 
 menu "POSIX API Support"
 
-config POSIX_MAX_FDS
-	int "Maximum number of open file descriptors"
-	default 16 if WIFI_NM_WPA_SUPPLICANT
-	default 16 if POSIX_API
-	default 4
-	help
-	  Maximum number of open file descriptors, this includes
-	  files, sockets, special devices, etc.
-
-config POSIX_API
-	depends on !NATIVE_APPLICATION
-	bool "POSIX APIs"
-	help
-	  Enable mostly-standards-compliant implementations of
-	  various POSIX (IEEE 1003.1) APIs.
-
-# The name of this option is mandated by zephyr_interface_library_named
-# cmake directive.
-config APP_LINK_WITH_POSIX_SUBSYS
-	bool "Make POSIX headers available to application"
-	default y
-	depends on POSIX_API
-	help
-	  Add POSIX subsystem header files to the 'app' include path.
-
-config PTHREAD_IPC
-	bool "POSIX pthread IPC API"
-	default y if POSIX_API
-	depends on POSIX_CLOCK
-	help
-	  This enables a mostly-standards-compliant implementation of
-	  the pthread mutex, condition variable and barrier IPC
-	  mechanisms.
-
-config POSIX_SYSCONF
-	bool "Support for sysconf"
-	default y if POSIX_API
-	help
-	  The sysconf() function provides a method for the application to determine
-	  the current value of a configurable system limit or option (variable).
-
-config POSIX_PAGE_SIZE_BITS
-	int "Number of bits to use for PAGE_SIZE"
-	range 6 16
-	default 12 if POSIX_API
-	default 6
-	help
-	  Define PAGE_SIZE as BIT(n), where n is the value configured here.
-	  PAGE_SIZE is supported in the range [64, 65536]
-	  If CONFIG_POSIX_API=y, PAGE_SIZE defaults to 4096, otherwise, it is 64 bytes.
-
-source "lib/posix/Kconfig.barrier"
-source "lib/posix/Kconfig.clock"
-source "lib/posix/Kconfig.cond"
-source "lib/posix/Kconfig.eventfd"
-source "lib/posix/Kconfig.fnmatch"
-source "lib/posix/Kconfig.fs"
-source "lib/posix/Kconfig.getopt"
-source "lib/posix/Kconfig.key"
-source "lib/posix/Kconfig.limits"
-source "lib/posix/Kconfig.mqueue"
-source "lib/posix/Kconfig.mutex"
-source "lib/posix/Kconfig.pthread"
-source "lib/posix/Kconfig.rwlock"
-source "lib/posix/Kconfig.sched"
-source "lib/posix/Kconfig.semaphore"
-source "lib/posix/Kconfig.signal"
-source "lib/posix/Kconfig.spinlock"
-source "lib/posix/Kconfig.timer"
-source "lib/posix/Kconfig.uname"
-source "lib/posix/Kconfig.stropts"
-
+rsource "options/Kconfig"
 rsource "shell/Kconfig"
 
 endmenu # "POSIX API Support"
diff --git a/lib/posix/Kconfig.limits b/lib/posix/Kconfig.limits
deleted file mode 100644
index cc651203961..00000000000
--- a/lib/posix/Kconfig.limits
+++ /dev/null
@@ -1,13 +0,0 @@
-# Copyright (c) 2023 Meta
-#
-# SPDX-License-Identifier: Apache-2.0
-
-if POSIX_SIGNAL
-config POSIX_LIMITS_RTSIG_MAX
-	int "_POSIX_RTSIG_MAX value in limits.h"
-	default 8
-	help
-	  Define the _POSIX_RTSIG_MAX value in limits.h.
-	  IEEE 1003.1 defines this to be 8.
-
-endif
diff --git a/lib/posix/options/CMakeLists.txt b/lib/posix/options/CMakeLists.txt
new file mode 100644
index 00000000000..b523e859e86
--- /dev/null
+++ b/lib/posix/options/CMakeLists.txt
@@ -0,0 +1,68 @@
+# SPDX-License-Identifier: Apache-2.0
+
+set(GEN_DIR ${ZEPHYR_BINARY_DIR}/include/generated)
+
+zephyr_syscall_header(
+  posix_clock.h
+)
+
+zephyr_interface_library_named(posix_subsys)
+
+if(CONFIG_POSIX_API)
+  zephyr_include_directories(${ZEPHYR_BASE}/include/zephyr/posix)
+endif()
+
+if(CONFIG_POSIX_SIGNAL)
+  set(STRSIGNAL_TABLE_H ${GEN_DIR}/posix/strsignal_table.h)
+
+  add_custom_command(
+    OUTPUT ${STRSIGNAL_TABLE_H}
+    COMMAND
+    ${PYTHON_EXECUTABLE}
+    ${ZEPHYR_BASE}/scripts/build/gen_strsignal_table.py
+    -i ${ZEPHYR_BASE}/include/zephyr/posix/signal.h
+    -o ${STRSIGNAL_TABLE_H}
+    DEPENDS ${ZEPHYR_BASE}/include/zephyr/posix/signal.h
+  )
+endif()
+
+if(CONFIG_POSIX_API OR CONFIG_PTHREAD_IPC OR CONFIG_POSIX_CLOCK OR
+  CONFIG_POSIX_MQUEUE OR CONFIG_POSIX_FS OR CONFIG_EVENTFD OR CONFIG_GETOPT)
+  # This is a temporary workaround so that Newlib declares the appropriate
+  # types for us. POSIX features to be formalized as part of #51211
+  zephyr_compile_options($<$<COMPILE_LANGUAGE:C>:-D_POSIX_THREADS>)
+  zephyr_compile_options($<$<COMPILE_LANGUAGE:CXX>:-D_POSIX_THREADS>)
+endif()
+
+zephyr_library()
+add_subdirectory_ifdef(CONFIG_GETOPT getopt)
+zephyr_library_sources_ifdef(CONFIG_EVENTFD eventfd.c)
+zephyr_library_sources_ifdef(CONFIG_FNMATCH fnmatch.c)
+zephyr_library_sources_ifdef(CONFIG_POSIX_API perror.c)
+zephyr_library_sources_ifdef(CONFIG_POSIX_CLOCK clock.c)
+zephyr_library_sources_ifdef(CONFIG_POSIX_CLOCK nanosleep.c)
+zephyr_library_sources_ifdef(CONFIG_POSIX_CLOCK sleep.c)
+zephyr_library_sources_ifdef(CONFIG_POSIX_FS fs.c)
+zephyr_library_sources_ifdef(CONFIG_POSIX_MQUEUE mqueue.c)
+zephyr_library_sources_ifdef(CONFIG_POSIX_PUTMSG stropts.c)
+zephyr_library_sources_ifdef(CONFIG_POSIX_SIGNAL signal.c ${STRSIGNAL_TABLE_H})
+zephyr_library_sources_ifdef(CONFIG_POSIX_UNAME uname.c)
+zephyr_library_sources_ifdef(CONFIG_PTHREAD_IPC _common.c)
+zephyr_library_sources_ifdef(CONFIG_PTHREAD_BARRIER barrier.c)
+zephyr_library_sources_ifdef(CONFIG_PTHREAD_COND cond.c)
+zephyr_library_sources_ifdef(CONFIG_PTHREAD_KEY key.c)
+zephyr_library_sources_ifdef(CONFIG_PTHREAD_MUTEX mutex.c)
+zephyr_library_sources_ifdef(CONFIG_PTHREAD pthread.c)
+zephyr_library_sources_ifdef(CONFIG_PTHREAD_RWLOCK rwlock.c)
+zephyr_library_sources_ifdef(CONFIG_POSIX_PRIORITY_SCHEDULING sched.c)
+zephyr_library_sources_ifdef(CONFIG_PTHREAD_IPC semaphore.c)
+zephyr_library_sources_ifdef(CONFIG_PTHREAD_SPINLOCK spinlock.c)
+zephyr_library_sources_ifdef(CONFIG_TIMER timer.c)
+
+zephyr_library_include_directories(
+  ${ZEPHYR_BASE}/kernel/include
+  ${ARCH_DIR}/${ARCH}/include
+)
+
+zephyr_library_link_libraries(posix_subsys)
+zephyr_library_property(ALLOW_EMPTY TRUE)
diff --git a/lib/posix/options/Kconfig b/lib/posix/options/Kconfig
new file mode 100644
index 00000000000..9b738c9bdba
--- /dev/null
+++ b/lib/posix/options/Kconfig
@@ -0,0 +1,58 @@
+# Copyright (c) 2018 Intel Corporation
+# Copyright (c) 2023 Meta
+#
+# SPDX-License-Identifier: Apache-2.0
+
+menu "POSIX Options"
+
+config POSIX_API
+	depends on !NATIVE_APPLICATION
+	bool "POSIX APIs"
+	help
+	  Enable mostly-standards-compliant implementations of
+	  various POSIX (IEEE 1003.1) APIs.
+
+# The name of this option is mandated by zephyr_interface_library_named
+# cmake directive.
+config APP_LINK_WITH_POSIX_SUBSYS
+	bool "Make POSIX headers available to application"
+	default y
+	depends on POSIX_API
+	help
+	  Add POSIX subsystem header files to the 'app' include path.
+
+if POSIX_CLOCK
+
+config PTHREAD_IPC
+	bool "POSIX pthread IPC API"
+	default y if POSIX_API
+	help
+	  This enables a mostly-standards-compliant implementation of
+	  the pthread mutex, condition variable and barrier IPC
+	  mechanisms.
+
+endif # POSIX_CLOCK
+
+rsource "Kconfig.barrier"
+rsource "Kconfig.clock"
+rsource "Kconfig.cond"
+rsource "Kconfig.eventfd"
+rsource "Kconfig.fdtable"
+rsource "Kconfig.fnmatch"
+rsource "Kconfig.fs"
+rsource "Kconfig.getopt"
+rsource "Kconfig.key"
+rsource "Kconfig.mqueue"
+rsource "Kconfig.mutex"
+rsource "Kconfig.pthread"
+rsource "Kconfig.rwlock"
+rsource "Kconfig.sched"
+rsource "Kconfig.semaphore"
+rsource "Kconfig.signal"
+rsource "Kconfig.spinlock"
+rsource "Kconfig.stropts"
+rsource "Kconfig.sysconf"
+rsource "Kconfig.timer"
+rsource "Kconfig.uname"
+
+endmenu # "POSIX Options"
diff --git a/lib/posix/Kconfig.barrier b/lib/posix/options/Kconfig.barrier
similarity index 92%
rename from lib/posix/Kconfig.barrier
rename to lib/posix/options/Kconfig.barrier
index e14b39c5b08..72dd8148277 100644
--- a/lib/posix/Kconfig.barrier
+++ b/lib/posix/options/Kconfig.barrier
@@ -6,7 +6,7 @@
 TYPE = PTHREAD_BARRIER
 type = pthread_barrier_t
 type-function = pthread_barrier_wait
-source "lib/posix/Kconfig.template.pooled_ipc_type"
+rsource "Kconfig.template.pooled_ipc_type"
 
 if PTHREAD_BARRIER
 
diff --git a/lib/posix/Kconfig.clock b/lib/posix/options/Kconfig.clock
similarity index 86%
rename from lib/posix/Kconfig.clock
rename to lib/posix/options/Kconfig.clock
index e306e691b44..0d541c9f32f 100644
--- a/lib/posix/Kconfig.clock
+++ b/lib/posix/options/Kconfig.clock
@@ -3,7 +3,7 @@
 # SPDX-License-Identifier: Apache-2.0
 
 config POSIX_CLOCK
-	bool "POSIX clock and sleep APIs"
+	bool "clock and sleep APIs"
 	default y if POSIX_API
 	imply TIMER
 	depends on !NATIVE_LIBC
diff --git a/lib/posix/Kconfig.cond b/lib/posix/options/Kconfig.cond
similarity index 77%
rename from lib/posix/Kconfig.cond
rename to lib/posix/options/Kconfig.cond
index fcdf842a602..b69b35dece6 100644
--- a/lib/posix/Kconfig.cond
+++ b/lib/posix/options/Kconfig.cond
@@ -6,4 +6,4 @@
 TYPE = PTHREAD_COND
 type = pthread_cond_t
 type-function = pthread_cond_wait
-source "lib/posix/Kconfig.template.pooled_ipc_type"
+rsource "Kconfig.template.pooled_ipc_type"
diff --git a/lib/posix/Kconfig.eventfd b/lib/posix/options/Kconfig.eventfd
similarity index 96%
rename from lib/posix/Kconfig.eventfd
rename to lib/posix/options/Kconfig.eventfd
index 0b6fa171741..eadf8f80916 100644
--- a/lib/posix/Kconfig.eventfd
+++ b/lib/posix/options/Kconfig.eventfd
@@ -3,7 +3,7 @@
 #
 # SPDX-License-Identifier: Apache-2.0
 
-config EVENTFD
+menuconfig EVENTFD
 	bool "Support for eventfd"
 	depends on !NATIVE_APPLICATION
 	select POLL
diff --git a/lib/posix/options/Kconfig.fdtable b/lib/posix/options/Kconfig.fdtable
new file mode 100644
index 00000000000..214e4a04ae9
--- /dev/null
+++ b/lib/posix/options/Kconfig.fdtable
@@ -0,0 +1,16 @@
+# Copyright (c) 2018 Linaro
+#
+# SPDX-License-Identifier: Apache-2.0
+
+menu "File descriptor table options"
+
+config POSIX_MAX_FDS
+	int "Maximum number of open file descriptors"
+	default 16 if WIFI_NM_WPA_SUPPLICANT
+	default 16 if POSIX_API
+	default 4
+	help
+	  Maximum number of open file descriptors, this includes
+	  files, sockets, special devices, etc.
+
+endmenu # "File descriptor table options"
diff --git a/lib/posix/Kconfig.fnmatch b/lib/posix/options/Kconfig.fnmatch
similarity index 100%
rename from lib/posix/Kconfig.fnmatch
rename to lib/posix/options/Kconfig.fnmatch
diff --git a/lib/posix/Kconfig.fs b/lib/posix/options/Kconfig.fs
similarity index 95%
rename from lib/posix/Kconfig.fs
rename to lib/posix/options/Kconfig.fs
index 1d032910539..e4d5f1dea6e 100644
--- a/lib/posix/Kconfig.fs
+++ b/lib/posix/options/Kconfig.fs
@@ -2,7 +2,7 @@
 #
 # SPDX-License-Identifier: Apache-2.0
 
-config POSIX_FS
+menuconfig POSIX_FS
 	bool "POSIX file system API support"
 	default y if POSIX_API
 	depends on FILE_SYSTEM
diff --git a/lib/posix/Kconfig.getopt b/lib/posix/options/Kconfig.getopt
similarity index 71%
rename from lib/posix/Kconfig.getopt
rename to lib/posix/options/Kconfig.getopt
index ccd2c37ed56..4d3559cd855 100644
--- a/lib/posix/Kconfig.getopt
+++ b/lib/posix/options/Kconfig.getopt
@@ -2,4 +2,4 @@
 #
 # SPDX-License-Identifier: Apache-2.0
 
-source "lib/posix/getopt/Kconfig"
+rsource "getopt/Kconfig"
diff --git a/lib/posix/Kconfig.key b/lib/posix/options/Kconfig.key
similarity index 77%
rename from lib/posix/Kconfig.key
rename to lib/posix/options/Kconfig.key
index 6e8538233eb..671cce10373 100644
--- a/lib/posix/Kconfig.key
+++ b/lib/posix/options/Kconfig.key
@@ -6,4 +6,4 @@
 TYPE = PTHREAD_KEY
 type = pthread_key_t
 type-function = pthread_setspecific
-source "lib/posix/Kconfig.template.pooled_ipc_type"
+rsource "Kconfig.template.pooled_ipc_type"
diff --git a/lib/posix/Kconfig.mqueue b/lib/posix/options/Kconfig.mqueue
similarity index 92%
rename from lib/posix/Kconfig.mqueue
rename to lib/posix/options/Kconfig.mqueue
index 7c49aee6c21..3688455d781 100644
--- a/lib/posix/Kconfig.mqueue
+++ b/lib/posix/options/Kconfig.mqueue
@@ -2,8 +2,8 @@
 #
 # SPDX-License-Identifier: Apache-2.0
 
-config POSIX_MQUEUE
-	bool "POSIX message queue"
+menuconfig POSIX_MQUEUE
+	bool "Message queue support"
 	default y if POSIX_API
 	help
 	  This enabled POSIX message queue related APIs.
diff --git a/lib/posix/Kconfig.mutex b/lib/posix/options/Kconfig.mutex
similarity index 78%
rename from lib/posix/Kconfig.mutex
rename to lib/posix/options/Kconfig.mutex
index c34881017e5..6d5729e80aa 100644
--- a/lib/posix/Kconfig.mutex
+++ b/lib/posix/options/Kconfig.mutex
@@ -6,4 +6,4 @@
 TYPE = PTHREAD_MUTEX
 type = pthread_mutex_t
 type-function = pthread_mutex_lock
-source "lib/posix/Kconfig.template.pooled_ipc_type"
+rsource "Kconfig.template.pooled_ipc_type"
diff --git a/lib/posix/Kconfig.pthread b/lib/posix/options/Kconfig.pthread
similarity index 97%
rename from lib/posix/Kconfig.pthread
rename to lib/posix/options/Kconfig.pthread
index 8870b725109..f0c65836b60 100644
--- a/lib/posix/Kconfig.pthread
+++ b/lib/posix/options/Kconfig.pthread
@@ -6,7 +6,7 @@
 TYPE = PTHREAD
 type = pthread_t
 type-function = pthread_create
-source "lib/posix/Kconfig.template.pooled_ipc_type"
+rsource "Kconfig.template.pooled_ipc_type"
 
 if PTHREAD
 
diff --git a/lib/posix/Kconfig.rwlock b/lib/posix/options/Kconfig.rwlock
similarity index 75%
rename from lib/posix/Kconfig.rwlock
rename to lib/posix/options/Kconfig.rwlock
index 6bd89a0a9f5..fea61551ec3 100644
--- a/lib/posix/Kconfig.rwlock
+++ b/lib/posix/options/Kconfig.rwlock
@@ -5,4 +5,4 @@
 TYPE = PTHREAD_RWLOCK
 type = pthread_rwlock_t
 type-function = pthread_rwlock_timedrdlock
-source "lib/posix/Kconfig.template.pooled_ipc_type"
+rsource "Kconfig.template.pooled_ipc_type"
diff --git a/lib/posix/Kconfig.sched b/lib/posix/options/Kconfig.sched
similarity index 84%
rename from lib/posix/Kconfig.sched
rename to lib/posix/options/Kconfig.sched
index 62e7541c8e1..b5fb3a5dcb1 100644
--- a/lib/posix/Kconfig.sched
+++ b/lib/posix/options/Kconfig.sched
@@ -3,7 +3,7 @@
 # SPDX-License-Identifier: Apache-2.0
 
 config POSIX_PRIORITY_SCHEDULING
-	bool "_POSIX_PRIORITY_SCHEDULING API support"
+	bool "Priority scheduling"
 	default y if PTHREAD
 	default y if POSIX_API
 	depends on PTHREAD
diff --git a/lib/posix/Kconfig.semaphore b/lib/posix/options/Kconfig.semaphore
similarity index 89%
rename from lib/posix/Kconfig.semaphore
rename to lib/posix/options/Kconfig.semaphore
index aa3468fea76..53fb030736b 100644
--- a/lib/posix/Kconfig.semaphore
+++ b/lib/posix/options/Kconfig.semaphore
@@ -2,6 +2,8 @@
 #
 # SPDX-License-Identifier: Apache-2.0
 
+menu "sem_t support"
+
 config SEM_VALUE_MAX
 	int "Maximum semaphore limit"
 	default 32767
@@ -16,3 +18,5 @@ config SEM_NAMELEN_MAX
 	help
 	  Maximum length of name for a named semaphore.
 	  The max value of 255 corresponds to {NAME_MAX}.
+
+endmenu # "sem_t support"
diff --git a/lib/posix/Kconfig.signal b/lib/posix/options/Kconfig.signal
similarity index 75%
rename from lib/posix/Kconfig.signal
rename to lib/posix/options/Kconfig.signal
index 1df8cf3ab16..99c225564c7 100644
--- a/lib/posix/Kconfig.signal
+++ b/lib/posix/options/Kconfig.signal
@@ -2,6 +2,17 @@
 #
 # SPDX-License-Identifier: Apache-2.0
 
+menu "Signal support"
+
+# needed outside of if clause above to define constants & types in signal.h
+config POSIX_RTSIG_MAX
+	int "Maximum number of realtime signals"
+	default 31 if POSIX_SIGNAL
+	default 0
+	help
+	  Define the maximum number of realtime signals (RTSIG_MAX).
+	  The range of realtime signals is [SIGRTMIN .. (SIGRTMIN+RTSIG_MAX)]
+
 config POSIX_SIGNAL
 	bool "Support for POSIX signal APIs"
 	default y if POSIX_API
@@ -17,13 +28,13 @@ config POSIX_SIGNAL_STRING_DESC
 	  Use full description for the strsignal API.
 	  Will use 256 bytes of ROM.
 
+config POSIX_LIMITS_RTSIG_MAX
+	int "_POSIX_RTSIG_MAX value in limits.h"
+	default 8
+	help
+	  Define the _POSIX_RTSIG_MAX value in limits.h.
+	  IEEE 1003.1 defines this to be 8.
+
 endif
 
-# needed outside of if clause above to define constants & types in signal.h
-config POSIX_RTSIG_MAX
-	int "Maximum number of realtime signals"
-	default 31 if POSIX_SIGNAL
-	default 0
-	help
-	  Define the maximum number of realtime signals (RTSIG_MAX).
-	  The range of realtime signals is [SIGRTMIN .. (SIGRTMIN+RTSIG_MAX)]
+endmenu # "Signal support"
diff --git a/lib/posix/Kconfig.spinlock b/lib/posix/options/Kconfig.spinlock
similarity index 74%
rename from lib/posix/Kconfig.spinlock
rename to lib/posix/options/Kconfig.spinlock
index 83a95d77ed0..8374aadfd6d 100644
--- a/lib/posix/Kconfig.spinlock
+++ b/lib/posix/options/Kconfig.spinlock
@@ -5,4 +5,4 @@
 TYPE = PTHREAD_SPINLOCK
 type = pthread_spinlock_t
 type-function = pthread_spin_lock
-source "lib/posix/Kconfig.template.pooled_ipc_type"
+rsource "Kconfig.template.pooled_ipc_type"
diff --git a/lib/posix/Kconfig.stropts b/lib/posix/options/Kconfig.stropts
similarity index 100%
rename from lib/posix/Kconfig.stropts
rename to lib/posix/options/Kconfig.stropts
diff --git a/lib/posix/options/Kconfig.sysconf b/lib/posix/options/Kconfig.sysconf
new file mode 100644
index 00000000000..32f37f1c29d
--- /dev/null
+++ b/lib/posix/options/Kconfig.sysconf
@@ -0,0 +1,24 @@
+# Copyright (c) 2024 BayLibre SAS
+#
+# SPDX-License-Identifier: Apache-2.0
+
+menu "Sysconf support"
+
+config POSIX_SYSCONF
+	bool "Support for sysconf"
+	default y if POSIX_API
+	help
+	  The sysconf() function provides a method for the application to determine
+	  the current value of a configurable system limit or option (variable).
+
+config POSIX_PAGE_SIZE_BITS
+	int "Number of bits to use for PAGE_SIZE"
+	range 6 16
+	default 12 if POSIX_API
+	default 6
+	help
+	  Define PAGE_SIZE as BIT(n), where n is the value configured here.
+	  PAGE_SIZE is supported in the range [64, 65536]
+	  If CONFIG_POSIX_API=y, PAGE_SIZE defaults to 4096, otherwise, it is 64 bytes.
+
+endmenu # "Sysconf support"
diff --git a/lib/posix/Kconfig.template.pooled_ipc_type b/lib/posix/options/Kconfig.template.pooled_ipc_type
similarity index 67%
rename from lib/posix/Kconfig.template.pooled_ipc_type
rename to lib/posix/options/Kconfig.template.pooled_ipc_type
index d28ed345b6a..08d804382e8 100644
--- a/lib/posix/Kconfig.template.pooled_ipc_type
+++ b/lib/posix/options/Kconfig.template.pooled_ipc_type
@@ -2,12 +2,11 @@
 #
 # SPDX-License-Identifier: Apache-2.0
 
-source "lib/posix/Kconfig.template.with_url"
-source "lib/posix/Kconfig.template.with_logging"
+rsource "Kconfig.template.with_url"
 
 # Not user configurable (i.e. private for now)
-config $(TYPE)
-	bool "POSIX $(type) support"
+menuconfig $(TYPE)
+	bool "$(type) support"
 	depends on PTHREAD_IPC
 	default y
 	help
@@ -15,10 +14,16 @@ config $(TYPE)
 	  For more info, see
 	  $(posix-url-base)/$(type-function).html
 
+if $(TYPE)
+
 # eventually, this size should be defaulted to 0
 config MAX_$(TYPE)_COUNT
-	int "Maximum simultaneously active $(type) in POSIX application"
+	int "Maximum number of $(type)"
 	default 5
 	depends on $(TYPE)
 	help
 	  Maximum simultaneously active $(type) in a POSIX application.
+
+rsource "Kconfig.template.with_logging"
+
+endif # $(TYPE)
diff --git a/lib/posix/Kconfig.template.pooled_type b/lib/posix/options/Kconfig.template.pooled_type
similarity index 63%
rename from lib/posix/Kconfig.template.pooled_type
rename to lib/posix/options/Kconfig.template.pooled_type
index a30686043a1..5a75c2ee890 100644
--- a/lib/posix/Kconfig.template.pooled_type
+++ b/lib/posix/options/Kconfig.template.pooled_type
@@ -2,19 +2,24 @@
 #
 # SPDX-License-Identifier: Apache-2.0
 
-source "lib/posix/Kconfig.template.with_url"
-source "lib/posix/Kconfig.template.with_logging"
+rsource "Kconfig.template.with_url"
 
 # This is mainly for TIMER currently.
-config $(TYPE)
-	bool "POSIX $(type) support"
+menuconfig $(TYPE)
+	bool "$(type) support"
 	help
 	  For more info, see
 	  $(posix-url-base)/$(type-function).html
 
+if $(TYPE)
+
 # eventually, this size should be defaulted to 0 as a safe value
 config MAX_$(TYPE)_COUNT
-	int "Maximum simultaneously active $(type) in POSIX application"
+	int "Maximum number of $(type)"
 	default 5
 	help
 	  Maximum simultaneously active $(type) in a POSIX application.
+
+rsource "Kconfig.template.with_logging"
+
+endif # $(TYPE)
diff --git a/lib/posix/Kconfig.template.with_logging b/lib/posix/options/Kconfig.template.with_logging
similarity index 100%
rename from lib/posix/Kconfig.template.with_logging
rename to lib/posix/options/Kconfig.template.with_logging
diff --git a/lib/posix/Kconfig.template.with_url b/lib/posix/options/Kconfig.template.with_url
similarity index 100%
rename from lib/posix/Kconfig.template.with_url
rename to lib/posix/options/Kconfig.template.with_url
diff --git a/lib/posix/Kconfig.timer b/lib/posix/options/Kconfig.timer
similarity index 90%
rename from lib/posix/Kconfig.timer
rename to lib/posix/options/Kconfig.timer
index 28173692e0c..10905e9c21d 100644
--- a/lib/posix/Kconfig.timer
+++ b/lib/posix/options/Kconfig.timer
@@ -5,7 +5,9 @@
 TYPE = TIMER
 type = timer_t
 type-function = timer_create
-source "lib/posix/Kconfig.template.pooled_type"
+rsource "Kconfig.template.pooled_type"
+
+if TIMER
 
 config TIMER_CREATE_WAIT
 	int "Time to wait for timer availability (in msec) in POSIX application"
@@ -21,3 +23,5 @@ config TIMER_DELAYTIMER_MAX
 	help
 	  This controls the maximum number of times a timer can overrun before
 	  timer_getoverrun() in POSIX compliant application.
+
+endif # TIMER
diff --git a/lib/posix/Kconfig.uname b/lib/posix/options/Kconfig.uname
similarity index 96%
rename from lib/posix/Kconfig.uname
rename to lib/posix/options/Kconfig.uname
index d8c29479986..09b52602db1 100644
--- a/lib/posix/Kconfig.uname
+++ b/lib/posix/options/Kconfig.uname
@@ -2,7 +2,7 @@
 #
 # SPDX-License-Identifier: Apache-2.0
 
-config POSIX_UNAME
+menuconfig POSIX_UNAME
 	bool "Support for uname"
 	default y if POSIX_API
 	help
diff --git a/lib/posix/_common.c b/lib/posix/options/_common.c
similarity index 100%
rename from lib/posix/_common.c
rename to lib/posix/options/_common.c
diff --git a/lib/posix/barrier.c b/lib/posix/options/barrier.c
similarity index 100%
rename from lib/posix/barrier.c
rename to lib/posix/options/barrier.c
diff --git a/lib/posix/clock.c b/lib/posix/options/clock.c
similarity index 100%
rename from lib/posix/clock.c
rename to lib/posix/options/clock.c
diff --git a/lib/posix/cond.c b/lib/posix/options/cond.c
similarity index 100%
rename from lib/posix/cond.c
rename to lib/posix/options/cond.c
diff --git a/lib/posix/eventfd.c b/lib/posix/options/eventfd.c
similarity index 100%
rename from lib/posix/eventfd.c
rename to lib/posix/options/eventfd.c
diff --git a/lib/posix/fnmatch.c b/lib/posix/options/fnmatch.c
similarity index 100%
rename from lib/posix/fnmatch.c
rename to lib/posix/options/fnmatch.c
diff --git a/lib/posix/fs.c b/lib/posix/options/fs.c
similarity index 100%
rename from lib/posix/fs.c
rename to lib/posix/options/fs.c
diff --git a/lib/posix/getopt/CMakeLists.txt b/lib/posix/options/getopt/CMakeLists.txt
similarity index 100%
rename from lib/posix/getopt/CMakeLists.txt
rename to lib/posix/options/getopt/CMakeLists.txt
diff --git a/lib/posix/getopt/Kconfig b/lib/posix/options/getopt/Kconfig
similarity index 100%
rename from lib/posix/getopt/Kconfig
rename to lib/posix/options/getopt/Kconfig
diff --git a/lib/posix/getopt/README b/lib/posix/options/getopt/README
similarity index 100%
rename from lib/posix/getopt/README
rename to lib/posix/options/getopt/README
diff --git a/lib/posix/getopt/getopt.c b/lib/posix/options/getopt/getopt.c
similarity index 100%
rename from lib/posix/getopt/getopt.c
rename to lib/posix/options/getopt/getopt.c
diff --git a/lib/posix/getopt/getopt.h b/lib/posix/options/getopt/getopt.h
similarity index 100%
rename from lib/posix/getopt/getopt.h
rename to lib/posix/options/getopt/getopt.h
diff --git a/lib/posix/getopt/getopt_common.c b/lib/posix/options/getopt/getopt_common.c
similarity index 100%
rename from lib/posix/getopt/getopt_common.c
rename to lib/posix/options/getopt/getopt_common.c
diff --git a/lib/posix/getopt/getopt_common.h b/lib/posix/options/getopt/getopt_common.h
similarity index 100%
rename from lib/posix/getopt/getopt_common.h
rename to lib/posix/options/getopt/getopt_common.h
diff --git a/lib/posix/getopt/getopt_long.c b/lib/posix/options/getopt/getopt_long.c
similarity index 100%
rename from lib/posix/getopt/getopt_long.c
rename to lib/posix/options/getopt/getopt_long.c
diff --git a/lib/posix/key.c b/lib/posix/options/key.c
similarity index 100%
rename from lib/posix/key.c
rename to lib/posix/options/key.c
diff --git a/lib/posix/mqueue.c b/lib/posix/options/mqueue.c
similarity index 100%
rename from lib/posix/mqueue.c
rename to lib/posix/options/mqueue.c
diff --git a/lib/posix/mutex.c b/lib/posix/options/mutex.c
similarity index 100%
rename from lib/posix/mutex.c
rename to lib/posix/options/mutex.c
diff --git a/lib/posix/nanosleep.c b/lib/posix/options/nanosleep.c
similarity index 100%
rename from lib/posix/nanosleep.c
rename to lib/posix/options/nanosleep.c
diff --git a/lib/posix/perror.c b/lib/posix/options/perror.c
similarity index 100%
rename from lib/posix/perror.c
rename to lib/posix/options/perror.c
diff --git a/lib/posix/posix_clock.h b/lib/posix/options/posix_clock.h
similarity index 100%
rename from lib/posix/posix_clock.h
rename to lib/posix/options/posix_clock.h
diff --git a/lib/posix/posix_internal.h b/lib/posix/options/posix_internal.h
similarity index 100%
rename from lib/posix/posix_internal.h
rename to lib/posix/options/posix_internal.h
diff --git a/lib/posix/pthread.c b/lib/posix/options/pthread.c
similarity index 100%
rename from lib/posix/pthread.c
rename to lib/posix/options/pthread.c
diff --git a/lib/posix/pthread_sched.h b/lib/posix/options/pthread_sched.h
similarity index 100%
rename from lib/posix/pthread_sched.h
rename to lib/posix/options/pthread_sched.h
diff --git a/lib/posix/rwlock.c b/lib/posix/options/rwlock.c
similarity index 100%
rename from lib/posix/rwlock.c
rename to lib/posix/options/rwlock.c
diff --git a/lib/posix/sched.c b/lib/posix/options/sched.c
similarity index 100%
rename from lib/posix/sched.c
rename to lib/posix/options/sched.c
diff --git a/lib/posix/semaphore.c b/lib/posix/options/semaphore.c
similarity index 100%
rename from lib/posix/semaphore.c
rename to lib/posix/options/semaphore.c
diff --git a/lib/posix/signal.c b/lib/posix/options/signal.c
similarity index 100%
rename from lib/posix/signal.c
rename to lib/posix/options/signal.c
diff --git a/lib/posix/sleep.c b/lib/posix/options/sleep.c
similarity index 100%
rename from lib/posix/sleep.c
rename to lib/posix/options/sleep.c
diff --git a/lib/posix/spinlock.c b/lib/posix/options/spinlock.c
similarity index 100%
rename from lib/posix/spinlock.c
rename to lib/posix/options/spinlock.c
diff --git a/lib/posix/stropts.c b/lib/posix/options/stropts.c
similarity index 100%
rename from lib/posix/stropts.c
rename to lib/posix/options/stropts.c
diff --git a/lib/posix/timer.c b/lib/posix/options/timer.c
similarity index 100%
rename from lib/posix/timer.c
rename to lib/posix/options/timer.c
diff --git a/lib/posix/uname.c b/lib/posix/options/uname.c
similarity index 100%
rename from lib/posix/uname.c
rename to lib/posix/options/uname.c
diff --git a/lib/posix/shell/Kconfig b/lib/posix/shell/Kconfig
index 1ce4ae5a959..d7116b492a8 100644
--- a/lib/posix/shell/Kconfig
+++ b/lib/posix/shell/Kconfig
@@ -1,6 +1,8 @@
 # Copyright (c) 2024 Meta
 # SPDX-License-Identifier: Apache-2.0
 
+menu "POSIX Shell Utilities"
+
 if SHELL
 
 config POSIX_SHELL
@@ -11,3 +13,5 @@ config POSIX_SHELL
 rsource "Kconfig.uname"
 
 endif # SHELL
+
+endmenu # "POSIX Shell Utilities"
diff --git a/samples/posix/philosophers/CMakeLists.txt b/samples/posix/philosophers/CMakeLists.txt
index e8a6a207987..2f19561d195 100644
--- a/samples/posix/philosophers/CMakeLists.txt
+++ b/samples/posix/philosophers/CMakeLists.txt
@@ -7,4 +7,4 @@ project(posix_philosophers)
 target_sources(app PRIVATE src/main.c)
 # For translating POSIX scheduler policies and priorities to
 # Zephyr priorities.
-target_include_directories(app PRIVATE ${ZEPHYR_BASE}/lib/posix)
+target_include_directories(app PRIVATE ${ZEPHYR_BASE}/lib/posix/options)