diff --git a/Makefile b/Makefile
index b4b8e0e..16e42d7 100644
--- a/Makefile
+++ b/Makefile
@@ -12,7 +12,7 @@ all: $(BUILD)/tbm
 
 -include scripts/Makefile.${TARGET}
 
-CFLAGS += -DTBM_VERSION=\"2017-07-27-dev\"
+CFLAGS += -DTBM_VERSION=\"2017-10-31\"
 CFLAGS += -Iinclude
 CFLAGS += -Wall -Wextra -Wshadow -Wimplicit-function-declaration
 CFLAGS += -Wredundant-decls -pedantic
diff --git a/include/shell.h b/include/shell.h
index 7499d28..b9018d6 100644
--- a/include/shell.h
+++ b/include/shell.h
@@ -6,7 +6,6 @@ struct console;
 
 struct cmd {
 	const char *cmd;
-	const char *desc;
 	int (* exec)(struct console *con, size_t argc, const char **argv);
 };
 
@@ -31,6 +30,11 @@ int shell_init(struct shell *shell, struct cmd *cmds,
 	struct console *con, const char *prompt, unsigned flags);
 int shell_parse(struct shell *shell);
 
-int do_flash_cmd(struct console *con, size_t argc, const char **argv);
-int do_ftl_cmd(struct console *con, size_t argc, const char **argv);
-int do_mufs_cmd(struct console *con, size_t argc, const char **argv);
+int shell_flash_probe(struct console *con, size_t argc, const char **argv);
+int shell_flash_release(struct console *con, size_t argc, const char **argv);
+int shell_flash_info(struct console *con, size_t argc, const char **argv);
+int shell_flash_read(struct console *con, size_t argc, const char **argv);
+int shell_flash_write(struct console *con, size_t argc, const char **argv);
+int shell_flash_erase(struct console *con, size_t argc, const char **argv);
+
+int shell_ftl_probe(struct console *con, size_t argc, const char **argv);
diff --git a/include/shell/mufs.h b/include/shell/mufs.h
index 1ff3572..6ff49e0 100644
--- a/include/shell/mufs.h
+++ b/include/shell/mufs.h
@@ -10,5 +10,6 @@ int shell_cat(struct console *con, size_t argc, const char **argv);
 int shell_write(struct console *con, size_t argc, const char **argv);
 int shell_append(struct console *con, size_t argc, const char **argv);
 int shell_mv(struct console *con, size_t argc, const char **argv);
+int shell_cp(struct console *con, size_t argc, const char **argv);
 int shell_rm(struct console *con, size_t argc, const char **argv);
 int shell_ls(struct console *con, size_t argc, const char **argv);
diff --git a/source/main.c b/source/main.c
index 82352fe..7d7de53 100644
--- a/source/main.c
+++ b/source/main.c
@@ -31,31 +31,48 @@ extern struct buzzer buzzers[];
 extern size_t nbuzzers;
 
 struct cmd user_cmds[] = {
-	{ "hi", "", shell_version },
-	{ "buzzer", "", shell_buzzer },
-	{ "led", "", shell_led },
-	{ "reset", "", shell_alarm },
-	{ "cat", "", shell_cat },
-	{ "ls", "", shell_ls },
-	{ "date", "", shell_date },
-	{ "time", "", shell_time },
-	{ "booting", "", shell_prepare },
-	{ NULL, NULL, NULL },
+	{ "hi", shell_version },
+	{ "buzzer", shell_buzzer },
+	{ "led", shell_led },
+	{ "reset", shell_alarm },
+	{ "cat", shell_cat },
+	{ "ls", shell_ls },
+	{ "date", shell_date },
+	{ "time", shell_time },
+	{ "booting", shell_prepare },
+	{ NULL, NULL },
 };
 
 struct cmd admin_cmds[] = {
-	{ "echo", "", shell_echo },
-	{ "buzzer", "", shell_buzzer },
-	{ "led", "", shell_led },
-	{ "reset", "", shell_alarm },
-	{ "flash", "", do_flash_cmd },
-	{ "ftl", "", do_ftl_cmd },
-	{ "mufs", "", do_mufs_cmd },
-	{ "date", "", shell_date },
-	{ "time", "", shell_time },
-	{ "set-date", "", shell_set_date },
-	{ "set-time", "", shell_set_time },
-	{ NULL, NULL, NULL },
+	{ "echo", shell_echo },
+	{ "buzzer", shell_buzzer },
+	{ "led", shell_led },
+	{ "reset", shell_alarm },
+	{ "flash_probe", shell_flash_probe },
+	{ "flash_release", shell_flash_release },
+	{ "flash_info", shell_flash_info },
+	{ "flash_read", shell_flash_read },
+	{ "flash_write", shell_flash_write },
+	{ "flash_erase", shell_flash_erase },
+	{ "ftl_probe", shell_ftl_probe },
+	{ "date", shell_date },
+	{ "time", shell_time },
+	{ "set_date", shell_set_date },
+	{ "set_time", shell_set_time },
+	{ "mount", shell_mount },
+	{ "umount", shell_unmount },
+	{ "format", shell_format },
+	{ "mkdir", shell_mkdir },
+	{ "rmdir", shell_rmdir },
+	{ "ls", shell_ls },
+	{ "stat", shell_stat },
+	{ "cat", shell_cat },
+	{ "write", shell_write },
+	{ "append", shell_append },
+	{ "mv", shell_mv, },
+	{ "cp", shell_cp, },
+	{ "rm", shell_rm, },
+	{ NULL, NULL },
 };
 
 int main(void)
diff --git a/source/platform/stm32f0/alarm.c b/source/platform/stm32f0/alarm.c
index 8ef09d4..c65f061 100644
--- a/source/platform/stm32f0/alarm.c
+++ b/source/platform/stm32f0/alarm.c
@@ -128,8 +128,6 @@ int alarm_enable(uint32_t timeout)
 
 int alarm_disable(void)
 {
-	uint32_t alarm_sec;
-
 	gpio_set(GPIOC, GPIO8);
 
 	pwr_disable_backup_domain_write_protect();
diff --git a/source/shell/alarm.c b/source/shell/alarm.c
index f4b88d3..6c4467e 100644
--- a/source/shell/alarm.c
+++ b/source/shell/alarm.c
@@ -12,6 +12,8 @@ int shell_alarm(struct console *con, size_t argc, const char **argv)
 	int state = 0;
 	uint32_t timeout = 10;
 
+	(void)con;
+
 	if (argc >= 2)
 		timeout = strtoul(argv[0], NULL, 0);
 
diff --git a/source/shell/boot.c b/source/shell/boot.c
index 8a514b4..eef3669 100644
--- a/source/shell/boot.c
+++ b/source/shell/boot.c
@@ -7,14 +7,25 @@
 #include <mufs.h>
 #include <shell.h>
 
+#include <shell/alarm.h>
 #include <shell/boot.h>
+#include <shell/buzzer.h>
+#include <shell/led.h>
+#include <shell/rtc.h>
+#include <shell/version.h>
 
 extern struct mufs *mufs;
 extern struct shell user_shell;
 
 struct cmd safe_cmds[] = {
-	{ "booting", "", shell_boot },
-	{ NULL, NULL, NULL },
+	{ "hi", shell_version },
+	{ "buzzer", shell_buzzer },
+	{ "led", shell_led },
+	{ "reset",  shell_alarm },
+	{ "date", shell_date },
+	{ "time", shell_time },
+	{ "booting", shell_boot },
+	{ NULL, NULL },
 };
 
 int shell_prepare(struct console *con, size_t argc, const char **argv)
diff --git a/source/shell/echo.c b/source/shell/echo.c
index 103e5ba..fd610b4 100644
--- a/source/shell/echo.c
+++ b/source/shell/echo.c
@@ -9,9 +9,7 @@ int shell_echo(struct console *con, size_t argc, const char **argv)
 	if (argc < 1)
 		return -1;
 
-	fprintf(con->fp, "%s\n", argv[0]);
+	fputs(argv[0], con->fp);
 
 	return 0;
 }
-
-
diff --git a/source/shell/flash.c b/source/shell/flash.c
index 5e14809..bd8751c 100644
--- a/source/shell/flash.c
+++ b/source/shell/flash.c
@@ -57,7 +57,7 @@ static void print_hex_ascii(FILE *fp, uint32_t offset, const char *buf, size_t l
 	}
 }
 
-static int do_flash_probe(struct console *con, size_t argc, const char **argv)
+int shell_flash_probe(struct console *con, size_t argc, const char **argv)
 {
 	(void)argv;
 	(void)argc;
@@ -75,7 +75,7 @@ static int do_flash_probe(struct console *con, size_t argc, const char **argv)
 	return 0;
 }
 
-static int do_flash_release(struct console *con, size_t argc, const char **argv)
+int shell_flash_release(struct console *con, size_t argc, const char **argv)
 {
 	(void)argv;
 	(void)argc;
@@ -91,7 +91,7 @@ static int do_flash_release(struct console *con, size_t argc, const char **argv)
 	return 0;
 }
 
-static int do_flash_info(struct console *con, size_t argc, const char **argv)
+int shell_flash_info(struct console *con, size_t argc, const char **argv)
 {
 	char jedec_id[3] = { 0, 0, 0 };
 	size_t size, capacity;
@@ -118,7 +118,7 @@ static int do_flash_info(struct console *con, size_t argc, const char **argv)
 	return 0;
 }
 
-static int do_flash_read(struct console *con, size_t argc, const char **argv)
+int shell_flash_read(struct console *con, size_t argc, const char **argv)
 {
 	char buf[256];
 	size_t addr, len, nbytes;
@@ -162,7 +162,7 @@ static int do_flash_read(struct console *con, size_t argc, const char **argv)
 	return 0;
 }
 
-static int do_flash_write(struct console *con, size_t argc, const char **argv)
+int shell_flash_write(struct console *con, size_t argc, const char **argv)
 {
 	char buf[256];
 	size_t addr, len, nbytes;
@@ -211,7 +211,7 @@ static int do_flash_write(struct console *con, size_t argc, const char **argv)
 	return 0;
 }
 
-static int do_flash_erase(struct console *con, size_t argc, const char **argv)
+int shell_flash_erase(struct console *con, size_t argc, const char **argv)
 {
 	size_t addr, len;
 
@@ -246,23 +246,3 @@ static int do_flash_erase(struct console *con, size_t argc, const char **argv)
 
 	return 0;
 }
-
-static struct cmd flash_cmds[] = {
-	{ "probe", NULL, do_flash_probe },
-	{ "release", NULL, do_flash_release },
-	{ "info", NULL, do_flash_info },
-	{ "read", NULL, do_flash_read },
-	{ "write", NULL, do_flash_write },
-	{ "erase", NULL, do_flash_erase },
-	{ NULL, NULL, NULL },
-};
-
-int do_flash_cmd(struct console *con, size_t argc, const char **argv)
-{
-	if (argc < 1) {
-		fprintf(con->fp, "usage: flash <command>\n");
-		return -1;
-	}
-
-	return cmd_exec(flash_cmds, con, argc, argv);
-}
diff --git a/source/shell/ftl.c b/source/shell/ftl.c
index 110eb65..d7e84f2 100644
--- a/source/shell/ftl.c
+++ b/source/shell/ftl.c
@@ -15,7 +15,7 @@
 
 extern struct flash_dev *flash;
 
-static int do_ftl_probe(struct console *con, size_t argc, const char **argv)
+int shell_ftl_probe(struct console *con, size_t argc, const char **argv)
 {
 	(void)argv;
 	(void)argc;
@@ -37,18 +37,3 @@ static int do_ftl_probe(struct console *con, size_t argc, const char **argv)
 
 	return 0;
 }
-
-static struct cmd ftl_cmds[] = {
-	{ "probe", NULL, do_ftl_probe },
-	{ NULL, NULL, NULL },
-};
-
-int do_ftl_cmd(struct console *con, size_t argc, const char **argv)
-{
-	if (argc < 1) {
-		fprintf(con->fp, "usage: flash <command>\n");
-		return -1;
-	}
-
-	return cmd_exec(ftl_cmds, con, argc, argv);
-}
diff --git a/source/shell/mufs.c b/source/shell/mufs.c
index e1d472c..ba8b76b 100644
--- a/source/shell/mufs.c
+++ b/source/shell/mufs.c
@@ -380,25 +380,3 @@ int shell_ls(struct console *con, size_t argc, const char **argv)
 	mufs_closedir(dir);
 	return 0;
 }
-
-static struct cmd mufs_cmds[] = {
-	{ "mount", NULL, shell_mount },
-	{ "umount", NULL, shell_unmount },
-	{ "format", NULL, shell_format },
-	{ "mkdir", NULL, shell_mkdir },
-	{ "rmdir", NULL, shell_rmdir },
-	{ "ls", NULL, shell_ls },
-	{ "stat", NULL, shell_stat },
-	{ "cat", NULL, shell_cat },
-	{ "write", NULL, shell_write },
-	{ "append", NULL, shell_append },
-	{ "mv", NULL, shell_mv, },
-	{ "cp", NULL, shell_cp, },
-	{ "rm", NULL, shell_rm, },
-	{ NULL, NULL, NULL },
-};
-
-int do_mufs_cmd(struct console *con, size_t argc, const char **argv)
-{
-	return cmd_exec(mufs_cmds, con, argc, argv);
-}
diff --git a/source/shell/version.c b/source/shell/version.c
index 0c607ae..0e3c03f 100644
--- a/source/shell/version.c
+++ b/source/shell/version.c
@@ -11,7 +11,7 @@ int shell_version(struct console *con, size_t argc, const char **argv)
 	if (argc < 1)
 		return -1;
 
-	fprintf(con->fp, "hello %s\n", TBM_VERSION);
+	fputs(TBM_VERSION, con->fp);
 
 	return 0;
 }