diff --git a/include/fs.h b/include/fs.h
index bc74621..1dfab2a 100644
--- a/include/fs.h
+++ b/include/fs.h
@@ -53,3 +53,6 @@
 s32 fClose(s32 handle);
 s32 fRead(s32 handle, void *const buf, u32 size);
 s32 fWrite(s32 handle, const void *const buf, u32 size);
+s32 fSync(s32 handle);
+s32 fLseek(s32 handle, u32 offset);
+s32 fUnlink(const char *const path);
diff --git a/include/ipc_handler.h b/include/ipc_handler.h
index 078b91d..bf294cc 100644
--- a/include/ipc_handler.h
+++ b/include/ipc_handler.h
@@ -41,27 +41,29 @@
 	IPC_CMD9_FCLOSE            = CMD_ID(3)  | CMD_IN_BUFS(0)  | CMD_OUT_BUFS(0)  | CMD_PARAMS(1),
 	IPC_CMD9_FREAD             = CMD_ID(4)  | CMD_IN_BUFS(0)  | CMD_OUT_BUFS(1)  | CMD_PARAMS(1),
 	IPC_CMD9_FWRITE            = CMD_ID(5)  | CMD_IN_BUFS(1)  | CMD_OUT_BUFS(0)  | CMD_PARAMS(1),
-	IPC_CMD9_FOPEN_DIR         = CMD_ID(6)  | CMD_IN_BUFS(0)  | CMD_OUT_BUFS(0)  | CMD_PARAMS(2),
-	IPC_CMD9_FREAD_DIR         = CMD_ID(7)  | CMD_IN_BUFS(0)  | CMD_OUT_BUFS(1)  | CMD_PARAMS(2),
-	IPC_CMD9_FCLOSE_DIR        = CMD_ID(8)  | CMD_IN_BUFS(0)  | CMD_OUT_BUFS(0)  | CMD_PARAMS(1),
-	IPC_CMD9_FUNLINK           = CMD_ID(9)  | CMD_IN_BUFS(1)  | CMD_OUT_BUFS(0)  | CMD_PARAMS(1),
-	IPC_CMD9_FGETFREE          = CMD_ID(10) | CMD_IN_BUFS(1)  | CMD_OUT_BUFS(0)  | CMD_PARAMS(3),
-	IPC_CMD9_READ_SECTORS      = CMD_ID(11) | CMD_IN_BUFS(15) | CMD_OUT_BUFS(15) | CMD_PARAMS(17), // Invalid on purpose. Will be decided later.
-	IPC_CMD9_WRITE_SECTORS     = CMD_ID(12) | CMD_IN_BUFS(15) | CMD_OUT_BUFS(15) | CMD_PARAMS(17), // Invalid on purpose. Will be decided later.
-	IPC_CMD9_MALLOC            = CMD_ID(13) | CMD_IN_BUFS(0)  | CMD_OUT_BUFS(0)  | CMD_PARAMS(1),
-	IPC_CMD9_FREE              = CMD_ID(14) | CMD_IN_BUFS(0)  | CMD_OUT_BUFS(0)  | CMD_PARAMS(1),
-	IPC_CMD9_LOAD_VERIFY_FIRM  = CMD_ID(15) | CMD_IN_BUFS(1)  | CMD_OUT_BUFS(0)  | CMD_PARAMS(17), // Invalid on purpose. Will be decided later.
-	IPC_CMD9_FIRM_LAUNCH       = CMD_ID(16) | CMD_IN_BUFS(0)  | CMD_OUT_BUFS(0)  | CMD_PARAMS(17), // Invalid on purpose. Will be decided later.
-	IPC_CMD9_PREPA_POWER       = CMD_ID(17) | CMD_IN_BUFS(0)  | CMD_OUT_BUFS(0)  | CMD_PARAMS(0),
-	IPC_CMD9_PANIC             = CMD_ID(18) | CMD_IN_BUFS(0)  | CMD_OUT_BUFS(0)  | CMD_PARAMS(0),
-	IPC_CMD9_EXCEPTION         = CMD_ID(19) | CMD_IN_BUFS(0)  | CMD_OUT_BUFS(0)  | CMD_PARAMS(0)
+	IPC_CMD9_FSYNC             = CMD_ID(6)  | CMD_IN_BUFS(0)  | CMD_OUT_BUFS(0)  | CMD_PARAMS(1),
+	IPC_CMD9_FLSEEK            = CMD_ID(7)  | CMD_IN_BUFS(0)  | CMD_OUT_BUFS(0)  | CMD_PARAMS(2),
+	IPC_CMD9_FOPEN_DIR         = CMD_ID(8)  | CMD_IN_BUFS(15) | CMD_OUT_BUFS(15) | CMD_PARAMS(15), // Invalid on purpose. Will be decided later.
+	IPC_CMD9_FREAD_DIR         = CMD_ID(9)  | CMD_IN_BUFS(15) | CMD_OUT_BUFS(15) | CMD_PARAMS(15),
+	IPC_CMD9_FCLOSE_DIR        = CMD_ID(10) | CMD_IN_BUFS(15) | CMD_OUT_BUFS(15) | CMD_PARAMS(15),
+	IPC_CMD9_FUNLINK           = CMD_ID(11) | CMD_IN_BUFS(1)  | CMD_OUT_BUFS(0)  | CMD_PARAMS(0),
+	IPC_CMD9_FGETFREE          = CMD_ID(12) | CMD_IN_BUFS(15) | CMD_OUT_BUFS(15) | CMD_PARAMS(15),
+	IPC_CMD9_READ_SECTORS      = CMD_ID(13) | CMD_IN_BUFS(15) | CMD_OUT_BUFS(15) | CMD_PARAMS(15),
+	IPC_CMD9_WRITE_SECTORS     = CMD_ID(14) | CMD_IN_BUFS(15) | CMD_OUT_BUFS(15) | CMD_PARAMS(15),
+	IPC_CMD9_MALLOC            = CMD_ID(15) | CMD_IN_BUFS(15) | CMD_OUT_BUFS(15) | CMD_PARAMS(15),
+	IPC_CMD9_FREE              = CMD_ID(16) | CMD_IN_BUFS(15) | CMD_OUT_BUFS(15) | CMD_PARAMS(15),
+	IPC_CMD9_LOAD_VERIFY_FIRM  = CMD_ID(17) | CMD_IN_BUFS(15) | CMD_OUT_BUFS(15) | CMD_PARAMS(15),
+	IPC_CMD9_FIRM_LAUNCH       = CMD_ID(18) | CMD_IN_BUFS(15) | CMD_OUT_BUFS(15) | CMD_PARAMS(15),
+	IPC_CMD9_PREPA_POWER       = CMD_ID(19) | CMD_IN_BUFS(15) | CMD_OUT_BUFS(15) | CMD_PARAMS(15),
+	IPC_CMD9_PANIC             = CMD_ID(20) | CMD_IN_BUFS(15) | CMD_OUT_BUFS(15) | CMD_PARAMS(15),
+	IPC_CMD9_EXCEPTION         = CMD_ID(21) | CMD_IN_BUFS(15) | CMD_OUT_BUFS(15) | CMD_PARAMS(15)
 } IpcCmd9;
 
 typedef enum
 {
-	IPC_CMD11_PRINT_MSG        = CMD_ID(0)  | CMD_IN_BUFS(15) | CMD_OUT_BUFS(15) | CMD_PARAMS(17), // Invalid on purpose. Will be decided later.
-	IPC_CMD11_PANIC            = CMD_ID(1)  | CMD_IN_BUFS(15) | CMD_OUT_BUFS(15) | CMD_PARAMS(17), // Invalid on purpose. Will be decided later.
-	IPC_CMD11_EXCEPTION        = CMD_ID(2)  | CMD_IN_BUFS(15) | CMD_OUT_BUFS(15) | CMD_PARAMS(17)  // Invalid on purpose. Will be decided later.
+	IPC_CMD11_PRINT_MSG        = CMD_ID(0)  | CMD_IN_BUFS(15) | CMD_OUT_BUFS(15) | CMD_PARAMS(15), // Invalid on purpose. Will be decided later.
+	IPC_CMD11_PANIC            = CMD_ID(1)  | CMD_IN_BUFS(15) | CMD_OUT_BUFS(15) | CMD_PARAMS(15),
+	IPC_CMD11_EXCEPTION        = CMD_ID(2)  | CMD_IN_BUFS(15) | CMD_OUT_BUFS(15) | CMD_PARAMS(15)
 } IpcCmd11;
 
 #undef CMD_ID
diff --git a/source/arm11/fs.c b/source/arm11/fs.c
index 0acd805..5df977a 100644
--- a/source/arm11/fs.c
+++ b/source/arm11/fs.c
@@ -71,3 +71,27 @@
 
 	return PXI_sendCmd(IPC_CMD9_FWRITE, cmdBuf, 3);
 }
+
+s32 fSync(s32 handle)
+{
+	const u32 cmdBuf = handle;
+	return PXI_sendCmd(IPC_CMD9_FSYNC, &cmdBuf, 1);
+}
+
+s32 fLseek(s32 handle, u32 offset)
+{
+	u32 cmdBuf[2];
+	cmdBuf[0] = handle;
+	cmdBuf[1] = offset;
+
+	return PXI_sendCmd(IPC_CMD9_FLSEEK, cmdBuf, 2);
+}
+
+s32 fUnlink(const char *const path)
+{
+	u32 cmdBuf[2];
+	cmdBuf[0] = (u32)path;
+	cmdBuf[1] = strlen(path) + 1;
+
+	return PXI_sendCmd(IPC_CMD9_FUNLINK, cmdBuf, 2);
+}
diff --git a/source/arm9/fs.c b/source/arm9/fs.c
index 44642ea..e6f4756 100644
--- a/source/arm9/fs.c
+++ b/source/arm9/fs.c
@@ -132,3 +132,28 @@
 	if(res == FR_OK) return FR_OK;
 	else return -res;
 }
+
+s32 fSync(s32 handle)
+{
+	if(!isHandleValid(handle)) return -30;
+
+	FRESULT res = f_sync(&fTable[handle]);
+	if(res == FR_OK) return res;
+	else return -res;
+}
+
+s32 fLseek(s32 handle, u32 offset)
+{
+	if(!isHandleValid(handle)) return -30;
+
+	FRESULT res = f_lseek(&fTable[handle], offset);
+	if(res == FR_OK) return res;
+	else return -res;
+}
+
+s32 fUnlink(const char *const path)
+{
+	FRESULT res = f_unlink(path);
+	if(res == FR_OK) return res;
+	else return -res;
+}
diff --git a/source/arm9/ipc_handler.c b/source/arm9/ipc_handler.c
index 3e6c506..afc86a0 100644
--- a/source/arm9/ipc_handler.c
+++ b/source/arm9/ipc_handler.c
@@ -54,6 +54,12 @@
 		case IPC_CMD_ID_MASK(IPC_CMD9_FWRITE):
 			result = fWrite(buf[2], (const void *const)buf[0], buf[1]);
 			break;
+		case IPC_CMD_ID_MASK(IPC_CMD9_FSYNC):
+			result = fSync(buf[0]);
+			break;
+		case IPC_CMD_ID_MASK(IPC_CMD9_FLSEEK):
+			result = fLseek(buf[0], buf[1]);
+			break;
 		case IPC_CMD_ID_MASK(IPC_CMD9_FOPEN_DIR):
 			break;
 		case IPC_CMD_ID_MASK(IPC_CMD9_FREAD_DIR):
@@ -61,6 +67,7 @@
 		case IPC_CMD_ID_MASK(IPC_CMD9_FCLOSE_DIR):
 			break;
 		case IPC_CMD_ID_MASK(IPC_CMD9_FUNLINK):
+			result = fUnlink((const char *const)buf[0]);
 			break;
 		case IPC_CMD_ID_MASK(IPC_CMD9_FGETFREE):
 			break;