diff --git a/backend.c b/backend.c
index 46f5541..ed85022 100644
--- a/backend.c
+++ b/backend.c
@@ -67,7 +67,8 @@ void *populate_dir(void *which){ // 0=left, 1=main, 2=right
 	unsigned long longest_name = 0;
 
 	if (wh) {
-		if (wh==1) {
+		if (wh == 1) {
+			free(content_m);
 			get_dir_size(path, &file_count, &longest_name);
 			content_m = calloc(file_count+1, sizeof(*content_m)); //index 0 is used for metadata like file count in dir
 			for (unsigned long i = 0; i<file_count+1; i++) {
@@ -76,6 +77,7 @@ void *populate_dir(void *which){ // 0=left, 1=main, 2=right
 			*content_m[0] = file_count;
 			get_dir_content(path, file_count, longest_name, content_m);
 		} else {
+			free(content_r);
 			get_dir_size(path, &file_count, &longest_name);
 			content_r = calloc(file_count+1, sizeof(*content_r));
 			for (unsigned long i = 0; i<file_count+1; i++) {
@@ -85,6 +87,7 @@ void *populate_dir(void *which){ // 0=left, 1=main, 2=right
 			get_dir_content(path, file_count, longest_name, content_r);
 		}
 	} else {
+		free(content_l);
 		get_dir_size(path, &file_count, &longest_name);
 		content_l = calloc(file_count+1, sizeof(*content_l));
 		for (unsigned long i = 0; i<file_count+1; i++) {
diff --git a/interactions.c b/interactions.c
index 491b536..111fb8d 100644
--- a/interactions.c
+++ b/interactions.c
@@ -3,11 +3,15 @@
 #include <unistd.h>
 
 
-void user_interactions(char *input, unsigned int *status) {
+void user_interactions(char *input, unsigned int *status, unsigned int *settings) {
 	if (*input == 'q') {
 		*status ^= 1;
+	} else if (*input == *"KEY_BACKSPACE") {
+		*settings ^= 1;
+	} else if (*input == 'a') {
+		*settings ^= 1;
 	}
 	else {
-		*status ^= 2;
 	}
+	*status ^= 2;
 }
diff --git a/interactions.h b/interactions.h
index a451c0f..d4b0516 100644
--- a/interactions.h
+++ b/interactions.h
@@ -2,4 +2,4 @@
 #include <pthread.h>
 #include "interactions.c"
 
-void user_interactions(char *input, unsigned int *status);
+void user_interactions(char *input, unsigned int *status, unsigned int *settings);
diff --git a/main.c b/main.c
index 95f8a20..0f54ce3 100644
--- a/main.c
+++ b/main.c
@@ -9,7 +9,7 @@ unsigned int terminal_height;
 unsigned int terminal_width;
 unsigned int temp_heigth = 0; //used for screen refresh
 unsigned int temp_width = 0; 
-unsigned int settings;
+unsigned int settings = 1;
 unsigned int status; //bit 0 = enable 
 char **content_l; //content of parent dir, used in left window
 char **content_m; //content of current dir, used in main window
@@ -20,15 +20,19 @@ char *path = ".";
 int main() {
 	initscr(); //start ncurses
 	timeout(50); //blocking timeout of getch()
+	keypad(stdscr, TRUE);
 
 	getmaxyx(stdscr, terminal_height, terminal_width);
 	WINDOW *winl = newwin(terminal_height, terminal_width/3, terminal_height, (terminal_width/3));
 	WINDOW *winm = newwin(terminal_height, terminal_width/3, 0, 0);
 	WINDOW *winr = newwin(terminal_height, terminal_width/3, terminal_height, ((terminal_width/3)*2));
 	settings ^= 1; //bit 0 = show_hidden_files
-	status = 2; //update ui bit
+	status ^= 2; //update ui bit
 	char input = 0;
 
+	content_l = calloc(1, sizeof(*content_l)); //allocation in order to allow a more streamlined backend
+	content_m = calloc(1, sizeof(*content_m));
+	content_r = calloc(1, sizeof(*content_r));
 
 	while(!(status & 1)){
 		getmaxyx(stdscr, temp_heigth, temp_width);
@@ -51,7 +55,7 @@ int main() {
 		getmaxyx(stdscr, terminal_height, terminal_width);
 		temp_heigth -= terminal_height;
 		temp_width -= terminal_width;
-		if (!temp_heigth || !temp_width || (status & 2)) {
+		if (!temp_heigth || !temp_width || (status & 2)) { //updates screen
 			window_left(winl, 0, 0, content_l);
 			window_main(winm, 0, terminal_width/3, content_m);
 			window_right(winr, 0, (terminal_width/3)*2, content_r);
@@ -62,7 +66,7 @@ int main() {
 
 
 		if ((input = getch())) {
-			user_interactions(&input, &status);
+			user_interactions(&input, &status, &settings);
 		}
 	}
 	free(content_l);