diff --git a/Kernel/Userspace.cpp b/Kernel/Userspace.cpp
index eee7fdde9f..944a6224ab 100644
--- a/Kernel/Userspace.cpp
+++ b/Kernel/Userspace.cpp
@@ -4,6 +4,14 @@
 
 namespace Userspace {
 
+int strlen(const char* str)
+{
+    int len = 0;
+    while (*(str++))
+        ++len;
+    return len;
+}
+
 int open(const char* path)
 {
     return DO_SYSCALL_A2(Syscall::PosixOpen, path, strlen(path));
diff --git a/Kernel/_fs_contents b/Kernel/_fs_contents
index ccb991c9bb..53da2581e1 100644
Binary files a/Kernel/_fs_contents and b/Kernel/_fs_contents differ
diff --git a/Kernel/_test.cpp b/Kernel/_test.cpp
new file mode 100644
index 0000000000..125020cb8c
--- /dev/null
+++ b/Kernel/_test.cpp
@@ -0,0 +1,12 @@
+#include "Userspace.cpp"
+
+using namespace Userspace;
+
+int elf_entry()
+{
+    int fd = open("/Banner.txt");
+    char buf[2048];
+    int nread = read(fd, buf, sizeof(buf));
+    buf[nread] = '\0';
+    return 0;
+}