diff --git a/42sh/.tags b/42sh/.tags
index 64402ae2..7c5d043a 100644
--- a/42sh/.tags
+++ b/42sh/.tags
@@ -10,28 +10,31 @@ builtin_exit	src/builtin/builtin_exit.c	/^int		builtin_exit(char **av, char ***e
 builtin_setenv	src/builtin/builtin_setenv.c	/^int		builtin_setenv(char **av, char ***env_p)$/
 builtin_unsetenv	src/builtin/builtin_unsetenv.c	/^int		builtin_unsetenv(char **av, char ***env_p)$/
 ft_builtin	src/builtin/builtin.c	/^int		ft_builtin(char **av, char ***env_p)$/
-ft_clear_line	src/user-interaction/ft_clear_line.c	/^int		ft_clear_line(t_data *data, t_dlist **input_c/
-ft_cmd_exec	src/user-interaction/ft_cmd.c	/^int		ft_cmd_exec(char *execpath, char **argv, char/
-ft_cmd_getav	src/user-interaction/ft_cmd.c	/^char	**ft_cmd_getav(char *cmd)$/
-ft_cmd_process	src/user-interaction/ft_cmd.c	/^int		ft_cmd_process(char **argv, char ***env_p)$/
-ft_cursor_left	src/user-interaction/ft_cursor_left.c	/^int		ft_cursor_left(t_data *data, t_dlist **input_/
-ft_cursor_right	src/user-interaction/ft_cursor_right.c	/^int		ft_cursor_right(t_data *data, t_dlist **input/
+ft_clear_line	src/line-editing/ft_clear_line.c	/^int		ft_clear_line(t_data *data, t_dlist **input_c/
+ft_cmd_exec	src/main/ft_cmd.c	/^int		ft_cmd_exec(char *execpath, char **argv, char/
+ft_cmd_getav	src/main/ft_cmd.c	/^char	**ft_cmd_getav(char *cmd)$/
+ft_cmd_process	src/main/ft_cmd.c	/^int		ft_cmd_process(char **argv, char ***env_p)$/
+ft_cursor_left	src/line-editing/ft_cursor_left.c	/^int		ft_cursor_left(t_data *data, t_dlist **input_/
+ft_cursor_right	src/line-editing/ft_cursor_right.c	/^int		ft_cursor_right(t_data *data, t_dlist **input/
 ft_env_getval	src/main/lib_env.c	/^char	*ft_env_getval(char **env, char *key)$/
 ft_expand_dollar	src/main/lib_expansion.c	/^void	ft_expand_dollar(char **av, char **env)$/
-ft_history_add	src/user-interaction/ft_history_add.c	/^int		ft_history_add(t_data *data, t_dlist *input_c/
-ft_history_down	src/user-interaction/ft_history_down.c	/^int		ft_history_down(t_data *data, t_dlist **input/
-ft_history_up	src/user-interaction/ft_history_up.c	/^int		ft_history_up(t_data *data, t_dlist **input_c/
-ft_input_is_escaped	src/user-interaction/ft_input_is_escaped.c	/^int		ft_input_is_escaped(t_dlist *input_chain)$/
-ft_interactive_sh	src/user-interaction/ft_interactive_sh.c	/^int		ft_interactive_sh(t_data *data)$/
-ft_key_basic	src/user-interaction/ft_key_basic.c	/^int	ft_key_basic(t_data *data, t_dlist **input_cha/
-ft_key_del	src/user-interaction/ft_key_del.c	/^int		ft_key_del(t_data *data, t_dlist **input_chai/
-ft_key_enter	src/user-interaction/ft_key_enter.c	/^int		ft_key_enter(t_data *data, t_dlist **input_ch/
-ft_line_end	src/user-interaction/ft_line_end.c	/^int		ft_line_end(t_data *data, t_dlist **input_cha/
-ft_line_go_down	src/user-interaction/ft_line_down.c	/^int		ft_line_go_down(t_dlist **input_chain)$/
-ft_line_go_up	src/user-interaction/ft_line_up.c	/^int		ft_line_go_up(t_dlist **input_chain)$/
-ft_line_start	src/user-interaction/ft_line_start.c	/^int		ft_line_start(t_data *data, t_dlist **input_c/
+ft_history_add	src/line-editing/ft_history_add.c	/^int		ft_history_add(t_data *data, t_dlist *input_c/
+ft_history_down	src/line-editing/ft_history_down.c	/^int		ft_history_down(t_data *data, t_dlist **input/
+ft_history_up	src/line-editing/ft_history_up.c	/^int		ft_history_up(t_data *data, t_dlist **input_c/
+ft_input_is_escaped	src/line-editing/ft_input_is_escaped.c	/^int		ft_input_is_escaped(t_dlist *input_chain)$/
+ft_interactive_sh	src/line-editing/ft_interactive_sh.c	/^int		ft_interactive_sh(t_data *data)$/
+ft_key_basic	src/line-editing/ft_key_basic.c	/^int	ft_key_basic(t_data *data, t_dlist **input_cha/
+ft_key_ctrl_d	src/line-editing/ft_key_ctrl_d.c	/^int		ft_key_ctrl_d(t_data *data, t_dlist **input_c/
+ft_key_del	src/line-editing/ft_key_del.c	/^int		ft_key_del(t_data *data, t_dlist **input_chai/
+ft_key_enter	src/line-editing/ft_key_enter.c	/^int		ft_key_enter(t_data *data, t_dlist **input_ch/
+ft_line_end	src/line-editing/ft_line_end.c	/^int		ft_line_end(t_data *data, t_dlist **input_cha/
+ft_line_go_down	src/line-editing/ft_line_down.c	/^int		ft_line_go_down(t_dlist **input_chain)$/
+ft_line_go_up	src/line-editing/ft_line_up.c	/^int		ft_line_go_up(t_dlist **input_chain)$/
+ft_line_start	src/line-editing/ft_line_start.c	/^int		ft_line_start(t_data *data, t_dlist **input_c/
 ft_path_access	src/main/lib_path.c	/^int		ft_path_access(char *execpath, char *execname/
 ft_path_findexec	src/main/lib_path.c	/^char	*ft_path_findexec(char **path, char *execname/
+ft_prompt	src/main/ft_prompt.c	/^int		ft_prompt(void)$/
 ft_tc_init	src/main/lib_tc.c	/^int		ft_tc_init(t_data *data)$/
-ft_word_left	src/user-interaction/ft_word_left.c	/^int		ft_word_left(t_data *data, t_dlist **input_ch/
-ft_word_right	src/user-interaction/ft_word_right.c	/^int		ft_word_right(t_data *data, t_dlist **input_c/
+ft_word_left	src/line-editing/ft_word_left.c	/^int		ft_word_left(t_data *data, t_dlist **input_ch/
+ft_word_right	src/line-editing/ft_word_right.c	/^int		ft_word_right(t_data *data, t_dlist **input_c/
+sig_handler	src/main/sig_handler.c	/^void	sig_handler(int signo)$/
diff --git a/42sh/Session.vim b/42sh/Session.vim
index 0f3206bc..f1c95865 100644
--- a/42sh/Session.vim
+++ b/42sh/Session.vim
@@ -8,42 +8,30 @@ if expand('%') == '' && !&modified && line('$') <= 1 && getline(1) == ''
   let s:wipebuf = bufnr('%')
 endif
 set shortmess=aoO
-badd +0 includes/minishell.h
+badd +47 includes/minishell.h
 badd +1 src/user-interaction/ft_word_left.c
 badd +11 src/user-interaction/ft_cursor_left.c
 badd +8 src/user-interaction/ft_interactive_sh.c
-badd +0 src/user-interaction/ft_word_right.c
-badd +0 src/user-interaction/ft_cursor_right.c
+badd +5 src/user-interaction/ft_word_right.c
+badd +18 src/user-interaction/ft_cursor_right.c
 badd +7 src/user-interaction/ft_clear_line.c
 badd +1 src/user-interaction/ft_line_start.c
 badd +5 src/user-interaction/ft_line_end.c
+badd +21 src/main/main.c
+badd +12 src/builtin/builtin_exit.c
+badd +0 src/user-interaction/ft_cmd.c
+badd +8 src/line-editing/ft_cmd.c
+badd +2 src/main/ft_cmd.c
+badd +13 src/main/sig_handler.c
+badd +1 src/main/prompt.c
+badd +3 src/main/ft_prompt.c
+badd +1 src/line-editing/ft_interactive_sh.c
+badd +7 src/line-editing/ft_key_ctrl_d.c
 argglobal
 silent! argdel *
 set stal=2
 edit includes/minishell.h
 set splitbelow splitright
-set nosplitbelow
-set nosplitright
-wincmd t
-set winheight=1 winwidth=1
-argglobal
-setlocal fdm=manual
-setlocal fde=0
-setlocal fmr={{{,}}}
-setlocal fdi=#
-setlocal fdl=0
-setlocal fml=1
-setlocal fdn=20
-setlocal fen
-silent! normal! zE
-let s:l = 47 - ((8 * winheight(0) + 19) / 38)
-if s:l < 1 | let s:l = 1 | endif
-exe s:l
-normal! zt
-47
-normal! 023|
-tabedit src/user-interaction/ft_interactive_sh.c
-set splitbelow splitright
 wincmd _ | wincmd |
 vsplit
 1wincmd h
@@ -64,15 +52,15 @@ setlocal fml=1
 setlocal fdn=20
 setlocal fen
 silent! normal! zE
-let s:l = 8 - ((7 * winheight(0) + 19) / 38)
+let s:l = 68 - ((22 * winheight(0) + 19) / 38)
 if s:l < 1 | let s:l = 1 | endif
 exe s:l
 normal! zt
-8
-normal! 015|
+68
+normal! 025|
 wincmd w
 argglobal
-edit src/user-interaction/ft_clear_line.c
+edit src/main/main.c
 setlocal fdm=manual
 setlocal fde=0
 setlocal fmr={{{,}}}
@@ -82,17 +70,16 @@ setlocal fml=1
 setlocal fdn=20
 setlocal fen
 silent! normal! zE
-let s:l = 1 - ((0 * winheight(0) + 19) / 38)
+let s:l = 9 - ((8 * winheight(0) + 19) / 38)
 if s:l < 1 | let s:l = 1 | endif
 exe s:l
 normal! zt
-1
+9
 normal! 0
 wincmd w
-2wincmd w
 exe 'vert 1resize ' . ((&columns * 79 + 79) / 158)
 exe 'vert 2resize ' . ((&columns * 78 + 79) / 158)
-tabedit src/user-interaction/ft_word_right.c
+tabedit src/line-editing/ft_interactive_sh.c
 set splitbelow splitright
 wincmd _ | wincmd |
 vsplit
@@ -114,15 +101,15 @@ setlocal fml=1
 setlocal fdn=20
 setlocal fen
 silent! normal! zE
-let s:l = 5 - ((4 * winheight(0) + 19) / 38)
+let s:l = 36 - ((16 * winheight(0) + 19) / 38)
 if s:l < 1 | let s:l = 1 | endif
 exe s:l
 normal! zt
-5
-normal! 013|
+36
+normal! 05|
 wincmd w
 argglobal
-edit src/user-interaction/ft_cursor_right.c
+edit src/main/sig_handler.c
 setlocal fdm=manual
 setlocal fde=0
 setlocal fmr={{{,}}}
@@ -132,13 +119,14 @@ setlocal fml=1
 setlocal fdn=20
 setlocal fen
 silent! normal! zE
-let s:l = 18 - ((17 * winheight(0) + 19) / 38)
+let s:l = 13 - ((12 * winheight(0) + 19) / 38)
 if s:l < 1 | let s:l = 1 | endif
 exe s:l
 normal! zt
-18
-normal! 013|
+13
+normal! 022|
 wincmd w
+2wincmd w
 exe 'vert 1resize ' . ((&columns * 79 + 79) / 158)
 exe 'vert 2resize ' . ((&columns * 78 + 79) / 158)
 tabnext 2
diff --git a/42sh/includes/minishell.h b/42sh/includes/minishell.h
index 91ab2cb5..796434af 100644
--- a/42sh/includes/minishell.h
+++ b/42sh/includes/minishell.h
@@ -7,6 +7,8 @@
 # include <sys/types.h>
 # include <curses.h>
 # include <term.h>
+# include <signal.h>
+
 # define SHELL_PROMPT	"$> "
 # define BUFF_SIZE		32
 # define READ_BUF		32
@@ -43,14 +45,21 @@ typedef struct	s_data
 
 extern t_stof	g_builtins[];
 extern t_stof	g_keys[];
+extern pid_t	g_pid;
+extern int		g_mode;
+
+void	sig_handler(int signo);
+#define MODE_INPUT	0b0001
+#define MODE_EXEC	0b0010
 
-typedef	int		key_press(t_data *data, t_dlist **input_chain, char *buf);
 
 int		ft_tc_init(t_data *data);
 int		ft_interactive_sh(t_data *data);
+int		ft_prompt(void);
 int		ft_input_is_escaped(t_dlist *input_chain);
 int		ft_history_add(t_data *data, t_dlist *input_chain);
 
+typedef	int	key_press(t_data *data, t_dlist **input_chain, char *buf);
 key_press	ft_clear_line;
 key_press	ft_line_up;
 key_press	ft_line_down;
@@ -65,6 +74,7 @@ key_press	ft_word_right;
 key_press	ft_key_del;
 key_press	ft_key_enter;
 key_press	ft_key_basic;
+key_press	ft_key_ctrl_d;
 
 int		ft_cmd_process(char **argv, char ***env_p);
 int		ft_cmd_exec(char *execpath, char **argv, char ***env_p);
diff --git a/42sh/script.sh b/42sh/script.sh
old mode 100644
new mode 100755
index ae5be210..25c8c48c
--- a/42sh/script.sh
+++ b/42sh/script.sh
@@ -1,3 +1,3 @@
-while [ 1 ]
-	sleep
+while [ 1 ]; do
+	sleep 1
 done
diff --git a/42sh/src/builtin/builtin_exit.c b/42sh/src/builtin/builtin_exit.c
index 514663a2..80156ff5 100644
--- a/42sh/src/builtin/builtin_exit.c
+++ b/42sh/src/builtin/builtin_exit.c
@@ -9,7 +9,6 @@ int		builtin_exit(char **av, char ***env_p)
 		status = ft_atoi(av[1]);
 	else
 		status = ft_atoi(ft_env_getval(*env_p, "?"));
-	printf("exit status %i", status);
 	exit(status);
 	return (0);
 }
diff --git a/42sh/src/user-interaction/ft_clear_line.c b/42sh/src/line-editing/ft_clear_line.c
similarity index 100%
rename from 42sh/src/user-interaction/ft_clear_line.c
rename to 42sh/src/line-editing/ft_clear_line.c
diff --git a/42sh/src/user-interaction/ft_cursor_left.c b/42sh/src/line-editing/ft_cursor_left.c
similarity index 100%
rename from 42sh/src/user-interaction/ft_cursor_left.c
rename to 42sh/src/line-editing/ft_cursor_left.c
diff --git a/42sh/src/user-interaction/ft_cursor_right.c b/42sh/src/line-editing/ft_cursor_right.c
similarity index 100%
rename from 42sh/src/user-interaction/ft_cursor_right.c
rename to 42sh/src/line-editing/ft_cursor_right.c
diff --git a/42sh/src/user-interaction/ft_history_add.c b/42sh/src/line-editing/ft_history_add.c
similarity index 100%
rename from 42sh/src/user-interaction/ft_history_add.c
rename to 42sh/src/line-editing/ft_history_add.c
diff --git a/42sh/src/user-interaction/ft_history_down.c b/42sh/src/line-editing/ft_history_down.c
similarity index 100%
rename from 42sh/src/user-interaction/ft_history_down.c
rename to 42sh/src/line-editing/ft_history_down.c
diff --git a/42sh/src/user-interaction/ft_history_up.c b/42sh/src/line-editing/ft_history_up.c
similarity index 100%
rename from 42sh/src/user-interaction/ft_history_up.c
rename to 42sh/src/line-editing/ft_history_up.c
diff --git a/42sh/src/user-interaction/ft_input_is_escaped.c b/42sh/src/line-editing/ft_input_is_escaped.c
similarity index 100%
rename from 42sh/src/user-interaction/ft_input_is_escaped.c
rename to 42sh/src/line-editing/ft_input_is_escaped.c
diff --git a/42sh/src/user-interaction/ft_interactive_sh.c b/42sh/src/line-editing/ft_interactive_sh.c
similarity index 97%
rename from 42sh/src/user-interaction/ft_interactive_sh.c
rename to 42sh/src/line-editing/ft_interactive_sh.c
index b684ff66..ded350c3 100644
--- a/42sh/src/user-interaction/ft_interactive_sh.c
+++ b/42sh/src/line-editing/ft_interactive_sh.c
@@ -1,7 +1,6 @@
 #include "minishell.h"
 
 t_stof g_keys[] = {
-	{FT_KEY_C_D,		NULL},
 	{FT_KEY_C_K,		NULL},
 	{FT_KEY_TAB,		NULL},
 	{FT_KEY_C_H,		&ft_line_start},
@@ -25,6 +24,7 @@ t_stof g_keys[] = {
 
 	{FT_KEY_ENTER,		&ft_key_enter},
 	{FT_KEY_DEL,		&ft_key_del},
+	{FT_KEY_C_D,		&ft_key_ctrl_d},
 	{NULL,				&ft_key_basic},
 };
 
diff --git a/42sh/src/user-interaction/ft_key_basic.c b/42sh/src/line-editing/ft_key_basic.c
similarity index 100%
rename from 42sh/src/user-interaction/ft_key_basic.c
rename to 42sh/src/line-editing/ft_key_basic.c
diff --git a/42sh/src/line-editing/ft_key_ctrl_d.c b/42sh/src/line-editing/ft_key_ctrl_d.c
new file mode 100644
index 00000000..f19a8f76
--- /dev/null
+++ b/42sh/src/line-editing/ft_key_ctrl_d.c
@@ -0,0 +1,10 @@
+#include "minishell.h"
+
+int		ft_key_ctrl_d(t_data *data, t_dlist **input_chain, char *buf)
+{
+	(void)data;
+	(void)input_chain;
+	(void)buf;
+	ft_putendl("exit");
+	exit(0);
+}
diff --git a/42sh/src/user-interaction/ft_key_del.c b/42sh/src/line-editing/ft_key_del.c
similarity index 100%
rename from 42sh/src/user-interaction/ft_key_del.c
rename to 42sh/src/line-editing/ft_key_del.c
diff --git a/42sh/src/user-interaction/ft_key_enter.c b/42sh/src/line-editing/ft_key_enter.c
similarity index 100%
rename from 42sh/src/user-interaction/ft_key_enter.c
rename to 42sh/src/line-editing/ft_key_enter.c
diff --git a/42sh/src/user-interaction/ft_line_down.c b/42sh/src/line-editing/ft_line_down.c
similarity index 100%
rename from 42sh/src/user-interaction/ft_line_down.c
rename to 42sh/src/line-editing/ft_line_down.c
diff --git a/42sh/src/user-interaction/ft_line_end.c b/42sh/src/line-editing/ft_line_end.c
similarity index 100%
rename from 42sh/src/user-interaction/ft_line_end.c
rename to 42sh/src/line-editing/ft_line_end.c
diff --git a/42sh/src/user-interaction/ft_line_start.c b/42sh/src/line-editing/ft_line_start.c
similarity index 100%
rename from 42sh/src/user-interaction/ft_line_start.c
rename to 42sh/src/line-editing/ft_line_start.c
diff --git a/42sh/src/user-interaction/ft_line_up.c b/42sh/src/line-editing/ft_line_up.c
similarity index 100%
rename from 42sh/src/user-interaction/ft_line_up.c
rename to 42sh/src/line-editing/ft_line_up.c
diff --git a/42sh/src/user-interaction/ft_word_left.c b/42sh/src/line-editing/ft_word_left.c
similarity index 100%
rename from 42sh/src/user-interaction/ft_word_left.c
rename to 42sh/src/line-editing/ft_word_left.c
diff --git a/42sh/src/user-interaction/ft_word_right.c b/42sh/src/line-editing/ft_word_right.c
similarity index 100%
rename from 42sh/src/user-interaction/ft_word_right.c
rename to 42sh/src/line-editing/ft_word_right.c
diff --git a/42sh/src/user-interaction/ft_cmd.c b/42sh/src/main/ft_cmd.c
similarity index 91%
rename from 42sh/src/user-interaction/ft_cmd.c
rename to 42sh/src/main/ft_cmd.c
index 70a48c3f..50c9998a 100644
--- a/42sh/src/user-interaction/ft_cmd.c
+++ b/42sh/src/main/ft_cmd.c
@@ -1,4 +1,5 @@
 #include "minishell.h"
+extern pid_t	g_pid;
 
 int		ft_cmd_process(char **argv, char ***env_p)
 {
@@ -13,7 +14,7 @@ int		ft_cmd_process(char **argv, char ***env_p)
 		execpath = argv[0];
 	else if (!(execpath = ft_path_findexec(path, argv[0])))
 		return (-1);
-	ft_printf("%s @ %s\n", argv[0], execpath);
+	/* ft_printf("%s @ %s\n", argv[0], execpath); */
 	return (ft_cmd_exec(execpath, argv, env_p));
 }
 
@@ -36,6 +37,7 @@ int		ft_cmd_exec(char *execpath, char **argv, char ***env_p)
 	}
 	else
 	{
+		g_pid = pid;
 		wait(&status);
 		sstr = ft_sstradd(sstr, "?");
 		sstr = ft_sstradd(sstr, ft_itoa(status));
diff --git a/42sh/src/main/ft_prompt.c b/42sh/src/main/ft_prompt.c
new file mode 100644
index 00000000..a140806b
--- /dev/null
+++ b/42sh/src/main/ft_prompt.c
@@ -0,0 +1,7 @@
+#include "minishell.h"
+
+int		ft_prompt(void)
+{
+	ft_putstr(SHELL_PROMPT);
+	return (0);
+}
diff --git a/42sh/src/main/main.c b/42sh/src/main/main.c
index 09762db7..d864757e 100644
--- a/42sh/src/main/main.c
+++ b/42sh/src/main/main.c
@@ -1,23 +1,28 @@
 #include "minishell.h"
-extern char **environ;
+extern char	**environ;
+int			g_mode;
 
 int		main(void)
 {
 	t_data	data;
+	char	**av;
 
 	data.env = ft_sstrdup(environ);
 	data.history = ft_dlst_new(NULL, 0);
 	ft_tc_init(&data);
+	if (signal(SIGINT, sig_handler) == SIG_ERR)
+		ft_printf("\ncan't catch SIGINT\n");
 	while (1)
 	{
-		ft_putstr(SHELL_PROMPT);
+		g_mode = MODE_INPUT;
+		ft_prompt();
 		if (ft_interactive_sh(&data))
 			return (1);
-		ft_printf("got string:'%s'\n", data.history->prev->content);
-		/* return (0); */
-		/* argv = ft_cmd_getav(input); */
-		/* if (argv && argv[0]) */
-		/* 	ft_cmd_process(argv, &data.env); */
+		g_mode = MODE_EXEC;
+		/* ft_printf("got string:'%s'\n", data.history->prev->content); */
+		av = ft_cmd_getav(data.history->prev->content);
+		if (av && av[0])
+			ft_cmd_process(av, &data.env);
 	}
 	return (0);
 }
diff --git a/42sh/src/main/sig_handler.c b/42sh/src/main/sig_handler.c
new file mode 100644
index 00000000..67e12c98
--- /dev/null
+++ b/42sh/src/main/sig_handler.c
@@ -0,0 +1,19 @@
+#include "minishell.h"
+pid_t	g_pid;
+int		g_mode;
+
+void	sig_handler(int signo)
+{
+	if (signo != SIGINT)
+		return ;
+	if (g_mode == MODE_INPUT)
+	{
+		ft_printf("input mode SIGINT");
+	}
+	else if (g_mode == MODE_EXEC)
+	{
+		ft_putendl("^C");
+		if (g_pid)
+			kill(g_pid, SIGINT);
+	}
+}