diff --git a/README.txt b/README.txt
index 822b63c..ef63ccf 100644
--- a/README.txt
+++ b/README.txt
@@ -1,6 +1,10 @@
-You can visit The Video tutorial Linked to this archive at https://www.youtube.com/watch?v=CGkmfBHEODE
-This Archive has been uploaded by Nidhal Abidi From IKOW
-Please visit Iknow @ www.youtube.com/iknowbrain
-or at:
-www.iknowbrain.work
-Thank you for your support :)
+سلام
+
+سامانه عامل از ابتدا، سامانه ای آزمایشی و آموزشی است که نوشتن سامانه عامل از ابتدا را به شما می آموزد.
+
+شما می توانید راهنمای ویدیویی این سامانه عامل را از نشانی زیر مشاهده کنید
+ http://www.aparat.ir/v/mtKEP
+ 
+You can visit The Video tutorial Linked to this archive at http://www.aparat.ir/v/mtKEP
+
+
diff --git a/include/idt.h b/include/idt.h
index f80acc8..9db9e61 100644
--- a/include/idt.h
+++ b/include/idt.h
@@ -18,9 +18,7 @@ typedef struct {
     uint32 base;
 } __attribute__((packed)) idt_register_t;
 
-#define IDT_ENTRIES 256
-idt_gate_t idt[IDT_ENTRIES];
-idt_register_t idt_reg;
+
 
 
 /* Functions implemented in idt.c */
diff --git a/include/isr.h b/include/isr.h
index 7210576..ef183bd 100644
--- a/include/isr.h
+++ b/include/isr.h
@@ -38,7 +38,7 @@ void isr30();
 void isr31();
 
 
-string exception_messages[32];
+//string exception_messages[32];
 
 void isr_install();
 
diff --git a/include/screen.h b/include/screen.h
index 504e120..a9bfa72 100644
--- a/include/screen.h
+++ b/include/screen.h
@@ -2,8 +2,8 @@
 #define SCREEN_H
 #include "system.h"
 #include "string.h"
-int cursorX , cursorY;
-const uint8 sw ,sh ,sd ; 
+//int cursorX , cursorY;
+//const uint8 sw ,sh ,sd ; 
                                                     //We define the screen width, height, and depth.
 void clearLine(uint8 from,uint8 to);
 
diff --git a/makefile b/makefile
index a5399ad..c1c404b 100644
--- a/makefile
+++ b/makefile
@@ -8,17 +8,18 @@ EMULATOR = qemu-system-i386
 EMULATOR_FLAGS = -kernel
 
 OBJS = obj/kasm.o obj/kc.o obj/idt.o obj/isr.o obj/kb.o obj/screen.o obj/string.o obj/system.o obj/util.o obj/shell.o
-OUTPUT = iknow/boot/kernel.bin
+OUTPUT = OSFS/boot/kernel.bin
 
 run: all
 	$(EMULATOR) $(EMULATOR_FLAGS) $(OUTPUT)
 
 all:$(OBJS)
-	mkdir iknow/ -p
-	mkdir iknow/boot/ -p
+	mkdir OSFS/ -p
+	mkdir OSFS/boot/ -p
 	$(LINKER) $(LDFLAGS) -o $(OUTPUT) $(OBJS)
 
 obj/kasm.o:src/kernel.asm
+	mkdir obj/ -p
 	$(ASSEMBLER) $(ASFLAGS) -o obj/kasm.o src/kernel.asm
 	
 obj/kc.o:src/kernel.c
@@ -51,18 +52,19 @@ obj/shell.o:src/shell.c
 build:all
 	#Activate the install xorr if you do not have it already installed
 	#sudo apt-get install xorriso
-	rm iknow/boot/grub/ -r -f
-	mkdir iknow/boot/grub/
-	echo set default=0 >> iknow/boot/grub/grub.cfg
-	echo set timeout=0 >> iknow/boot/grub/grub.cfg
-	echo menuentry "IKnow" { >> iknow/boot/grub/grub.cfg
-	echo         set root='(hd96)' >> iknow/boot/grub/grub.cfg
-	echo         multiboot /boot/kernel.bin >> iknow/boot/grub/grub.cfg
-	echo } >> iknow/boot/grub/grub.cfg
+	rm OSFS/boot/grub/ -r -f
+	mkdir OSFS/boot/grub/
+	echo set default=0 >> OSFS/boot/grub/grub.cfg
+	echo set timeout=5 >> OSFS/boot/grub/grub.cfg
+	echo menuentry "Salam 0.0.10" { >> OSFS/boot/grub/grub.cfg
+	echo         set root='(hd96)' >> OSFS/boot/grub/grub.cfg
+	echo         multiboot /boot/kernel.bin >> OSFS/boot/grub/grub.cfg
+	echo } >> OSFS/boot/grub/grub.cfg
 
-	grub-mkrescue -o iknow.iso iknow/
+	grub-mkrescue -o OSFS.iso OSFS/
 	
 clear:
+	rm -r -f obj/
 	rm -f obj/*.o
-	rm -r -f iknow/
+	rm -r -f OSFS/
 	
diff --git a/src/idt.c b/src/idt.c
index 2f7ef6a..ceb1f24 100644
--- a/src/idt.c
+++ b/src/idt.c
@@ -1,6 +1,10 @@
 #include "../include/idt.h"
 #include "../include/util.h"
 
+#define IDT_ENTRIES 256
+idt_gate_t idt[IDT_ENTRIES];
+idt_register_t idt_reg;
+
 void set_idt_gate(int n, uint32 handler) {
     idt[n].low_offset = low_16(handler);
     idt[n].sel = KERNEL_CS;
diff --git a/src/isr.c b/src/isr.c
index 6aa155e..f1f7400 100644
--- a/src/isr.c
+++ b/src/isr.c
@@ -3,6 +3,45 @@
 #include "../include/screen.h"
 #include "../include/util.h"
 
+/* To print the message which defines every exception */
+string exception_messages[] = {
+    "Division By Zero",
+    "Debug",
+    "Non Maskable Interrupt",
+    "Breakpoint",
+    "Into Detected Overflow",
+    "Out of Bounds",
+    "Invalid Opcode",
+    "No Coprocessor",
+
+    "Double Fault",
+    "Coprocessor Segment Overrun",
+    "Bad TSS",
+    "Segment Not Present",
+    "Stack Fault",
+    "General Protection Fault",
+    "Page Fault",
+    "Unknown Interrupt",
+
+    "Coprocessor Fault",
+    "Alignment Check",
+    "Machine Check",
+    "Reserved",
+    "Reserved",
+    "Reserved",
+    "Reserved",
+    "Reserved",
+
+    "Reserved",
+    "Reserved",
+    "Reserved",
+    "Reserved",
+    "Reserved",
+    "Reserved",
+    "Reserved",
+    "Reserved"
+};
+
 void isr_install() {
     set_idt_gate(0, (uint32)isr0);
     set_idt_gate(1, (uint32)isr1);
@@ -207,41 +246,4 @@ void isr31()
 
 
 
-/* To print the message which defines every exception */
-string exception_messages[] = {
-    "Division By Zero",
-    "Debug",
-    "Non Maskable Interrupt",
-    "Breakpoint",
-    "Into Detected Overflow",
-    "Out of Bounds",
-    "Invalid Opcode",
-    "No Coprocessor",
-
-    "Double Fault",
-    "Coprocessor Segment Overrun",
-    "Bad TSS",
-    "Segment Not Present",
-    "Stack Fault",
-    "General Protection Fault",
-    "Page Fault",
-    "Unknown Interrupt",
-
-    "Coprocessor Fault",
-    "Alignment Check",
-    "Machine Check",
-    "Reserved",
-    "Reserved",
-    "Reserved",
-    "Reserved",
-    "Reserved",
 
-    "Reserved",
-    "Reserved",
-    "Reserved",
-    "Reserved",
-    "Reserved",
-    "Reserved",
-    "Reserved",
-    "Reserved"
-};
diff --git a/src/kernel.c b/src/kernel.c
index 5311484..36c254e 100644
--- a/src/kernel.c
+++ b/src/kernel.c
@@ -1,12 +1,43 @@
 #include "../include/kb.h"
 #include "../include/isr.h"
-#include "../include/idt.h"
-#include "../include/util.h"
 #include "../include/shell.h"
-kmain()
+
+
+int kmain()
 {
-	isr_install();
+	isr_install(); //interrupt service routin
 	clearScreen();
-	print("Hi and Welcome to NIDOS operating system\nPlease enter a command\n");
-    launch_shell(0);    
-}
+	//int a = 5/0;  //برای آزمایش وقفه- ۷
+	print("Salam\nWelcome to OSFS 0.0.10\n  Hi Mohammad \nthanks\n\nPlease Enter a command \n");
+	
+	launch_shell(0);
+	/*  برای قسمت ۲ تا ۹ بود- به جای پوسته
+	while(1){
+		print ("\nOSFS> ");
+		
+		string ch = readStr();
+		if(strEql(ch, "cmd")){
+			print("\nYou are allready in cmd");
+		}
+		else if(strEql(ch, "clear")){
+			clearScreen();
+		}
+		else{
+			print("\nBad command!");
+		}
+		print("\n");
+		
+	
+	}
+	 برای آموزش قسمت اول بود
+	char* vidmem=(char *)0xb8000;
+	vidmem[0] = 'A';
+	vidmem[1] = 0x02;
+	vidmem[2] = 'L';
+	vidmem[3] = 0x02;
+	vidmem[4] = 'I';
+	vidmem[5] = 0x02;
+
+    */ 
+    return 0;  
+}