diff --git a/Kernel/include/interface/syscalls.h b/Kernel/include/interface/syscalls.h
index bbfa6c0a..da7809de 100644
--- a/Kernel/include/interface/syscalls.h
+++ b/Kernel/include/interface/syscalls.h
@@ -215,6 +215,14 @@ typedef enum
 	__SYS_X_OK = 3
 } access_flags_t;
 
+typedef enum
+{
+	__SYS_GET_GS = 0,
+	__SYS_SET_GS = 1,
+	__SYS_GET_FS = 2,
+	__SYS_SET_FS = 3,
+} prctl_options_t;
+
 typedef int __SYS_clockid_t;
 typedef unsigned int __SYS_socklen_t;
 
@@ -644,6 +652,27 @@ typedef enum
 	 * - #EINVAL if `sig` is invalid
 	 */
 	SYS_KILL,
+	/**
+	 * @brief Process/Thread Control
+	 *
+	 * @code
+	 * int prctl(prctl_options_t option, unsigned long arg1, unsigned long arg2, unsigned long arg3, unsigned long arg4);
+	 * @endcode
+	 *
+	 * @details Perform various operations on a process or thread.
+	 *
+	 * @param option Operation to perform
+	 * @param arg1 Argument 1
+	 * @param arg2 Argument 2
+	 * @param arg3 Argument 3
+	 * @param arg4 Argument 4
+	 *
+	 * @return
+	 * - #EOK on success
+	 * - #EINVAL if the operation is invalid
+	 * - #EFAULT if one of the arguments is invalid
+	 */
+	SYS_PRCTL,
 
 	/* Memory */
 
diff --git a/Kernel/syscalls/native.cpp b/Kernel/syscalls/native.cpp
index 49eff281..37187861 100644
--- a/Kernel/syscalls/native.cpp
+++ b/Kernel/syscalls/native.cpp
@@ -184,6 +184,62 @@ static pid_t sys_getppid(SysFrm *Frame) { return -ENOSYS; }
 static pid_t sys_waitpid(pid_t pid, int *wstatus, int options) { return -ENOSYS; }
 static int sys_kill(SysFrm *Frame, pid_t pid, int sig) { return -ENOSYS; }
 
+static int sys_prctl(SysFrm *Frame, prctl_options_t option, unsigned long arg1, unsigned long arg2, unsigned long arg3, unsigned long arg4)
+{
+	PCB *pcb = thisProcess;
+	Memory::VirtualMemoryArea *vma = pcb->vma;
+
+	switch (option)
+	{
+	case __SYS_GET_GS:
+	{
+		auto arg = vma->UserCheckAndGetAddress((void *)arg1);
+		if (arg == nullptr)
+			return -EFAULT;
+
+#if defined(__amd64__)
+		*r_cst(uintptr_t *, arg) = CPU::x64::rdmsr(CPU::x64::MSRID::MSR_GS_BASE);
+#elif defined(__i386__)
+		*r_cst(uintptr_t *, arg) = CPU::x32::rdmsr(CPU::x32::MSRID::MSR_GS_BASE);
+#endif
+		return 0;
+	}
+	case __SYS_SET_GS:
+	{
+#if defined(__amd64__)
+		CPU::x64::wrmsr(CPU::x64::MSRID::MSR_GS_BASE, arg1);
+#elif defined(__i386__)
+		CPU::x32::wrmsr(CPU::x32::MSRID::MSR_GS_BASE, arg1);
+#endif
+		return 0;
+	}
+	case __SYS_GET_FS:
+	{
+		auto arg = vma->UserCheckAndGetAddress((void *)arg1);
+		if (arg == nullptr)
+			return -EFAULT;
+
+#if defined(__amd64__)
+		*r_cst(uintptr_t *, arg) = CPU::x64::rdmsr(CPU::x64::MSRID::MSR_FS_BASE);
+#elif defined(__i386__)
+		*r_cst(uintptr_t *, arg) = CPU::x32::rdmsr(CPU::x32::MSRID::MSR_FS_BASE);
+#endif
+		return 0;
+	}
+	case __SYS_SET_FS:
+	{
+#if defined(__amd64__)
+		CPU::x64::wrmsr(CPU::x64::MSRID::MSR_FS_BASE, arg1);
+#elif defined(__i386__)
+		CPU::x32::wrmsr(CPU::x32::MSRID::MSR_FS_BASE, arg1);
+#endif
+		return 0;
+	}
+	default:
+		return -EINVAL;
+	}
+}
+
 int sys_brk(SysFrm *Frame, void *end_data);
 void *sys_mmap(SysFrm *Frame, void *addr, size_t length, int prot, int flags, int fd, off_t offset);
 int sys_munmap(SysFrm *Frame, void *addr, size_t length);
@@ -244,6 +300,7 @@ __constructor void __init_native_syscalls(void)
 	scTbl[SYS_GETPPID] = {"SYS_GETPPID", (void *)sys_getppid};
 	scTbl[SYS_WAITPID] = {"SYS_WAITPID", (void *)sys_waitpid};
 	scTbl[SYS_KILL] = {"SYS_KILL", (void *)sys_kill};
+	scTbl[SYS_PRCTL] = {"SYS_PRCTL", (void *)sys_prctl};
 
 	/* Memory */
 	scTbl[SYS_BRK] = {"SYS_BRK", (void *)sys_brk};