diff --git a/include/libimp/system.h b/include/libimp/system.h
index 7264682..ba542d5 100644
--- a/include/libimp/system.h
+++ b/include/libimp/system.h
@@ -31,5 +31,13 @@ LIBIMP_EXPORT std::string error_str(result_code) noexcept;
  */
 LIBIMP_EXPORT std::string error_msg(result_code) noexcept;
 
+/**
+ * @brief Get system configuration information at run time
+ */
+enum class info : std::int32_t {
+  page_size,
+};
+LIBIMP_EXPORT std::int64_t conf(info) noexcept;
+
 } // namespace sys
 LIBIMP_NAMESPACE_END_
diff --git a/src/libimp/platform/posix/system.h b/src/libimp/platform/posix/system.h
index b05d76e..44d917a 100644
--- a/src/libimp/platform/posix/system.h
+++ b/src/libimp/platform/posix/system.h
@@ -6,6 +6,7 @@
 
 #include <errno.h>
 #include <string.h>
+#include <unistd.h>
 
 #include "libimp/system.h"
 #include "libimp/log.h"
@@ -50,5 +51,26 @@ std::string error_str(result_code code) noexcept {
 #endif
 }
 
+/**
+ * @brief Gets configuration information at run time
+ * https://man7.org/linux/man-pages/man2/getpagesize.2.html
+ * https://man7.org/linux/man-pages/man3/sysconf.3.html
+ */
+std::int64_t conf(info r) noexcept {
+  LIBIMP_LOG_();
+  switch (r) {
+  case info::page_size: {
+      auto val = ::sysconf(_SC_PAGESIZE);
+      if (val >= 0) return (std::int64_t)val;
+    }
+    break;
+  default:
+    log.error("invalid info = {}", enum_cast(r));
+    return -1;
+  }
+  log.error("info = {}, error = {}", enum_cast(r), error_msg(error_code()));
+  return -1;
+}
+
 } // namespace sys
 LIBIMP_NAMESPACE_END_
diff --git a/test/test_imp_system.cpp b/test/test_imp_system.cpp
index 73c7568..7b85fc4 100644
--- a/test/test_imp_system.cpp
+++ b/test/test_imp_system.cpp
@@ -56,4 +56,8 @@ TEST(system, error_str) {
   EXPECT_EQ(imp::sys::error_str({}), "Success");
   EXPECT_EQ(imp::sys::error_str({false, EINVAL}), "Invalid argument");
 #endif
+}
+
+TEST(system, conf) {
+  EXPECT_EQ(imp::sys::conf(imp::sys::info::page_size), 4096);
 }
\ No newline at end of file