diff --git a/.gitignore b/.gitignore
index 39dbb38..7d43da0 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,4 +1,5 @@
 bin
 mount
 image.bin
-dump.img
\ No newline at end of file
+dump.img
+diskwrite
\ No newline at end of file
diff --git a/diskwrite b/diskwrite
deleted file mode 100755
index 62f92ba..0000000
Binary files a/diskwrite and /dev/null differ
diff --git a/src/bootloader/main.s b/src/bootloader/main.s
index 98a1627..6070c04 100644
--- a/src/bootloader/main.s
+++ b/src/bootloader/main.s
@@ -396,7 +396,7 @@ open_file:
     pop ds
     push 0
     pop es
-    ;sector start now contains the sector number of the first data sector of the root directory
+    
     mov ah, 0x42
     mov dl, byte [data.boot_disc]
     mov si, DAP
diff --git a/tools/diskwrite.c b/tools/diskwrite.c
index a53c3df..288dfa4 100644
--- a/tools/diskwrite.c
+++ b/tools/diskwrite.c
@@ -3,6 +3,22 @@
 #include <string.h>
 
 int main(int argc, char **argv){
-    printf("Hello, World!\n");
+    char **files = malloc(512);
+    int filec = 0;
+    printf("write files to virtual disk\n");
+    if(argc == 1 || !strcmp(argv[1], "help")){
+        printf("Usage:\ndiskwrite <input files> -o <output file>");
+        printf("\n-h: Help");
+        printf("\n-o: Specify output file\n");
+    }
+    for(int i = 1; i < argc; i++){
+        if(!strcmp(argv[i], "-o")){
+            i++;
+            if(i >= argc){
+                printf("Error: No output file specified!\n");
+            }
+        }
+        files[filec++] = argv[i];
+    }
     return 0;
 }
\ No newline at end of file