diff --git a/GrainOS.ino b/GrainOS.ino
index 8fe5a58..904965d 100644
--- a/GrainOS.ino
+++ b/GrainOS.ino
@@ -1,33 +1,113 @@
+
+struct File {
+    String name;
+    String content;
+    bool used;
+};
+
+const int MAX_FILES = 10;  //file limit
+File files[MAX_FILES];     
+
+
+void clearScreen() {
+    for (int i = 0; i < 50; i++) {
+        Serial.println();         //function that clears your screen (again this is stupid)
+    }
+}
+
+
+void listFiles() {
+    Serial.println("Files:");
+    for (int i = 0; i < MAX_FILES; i++) {
+        if (files[i].used) {                    //FUNCTION THAT MAKES LS WORK
+            Serial.println("- " + files[i].name);
+        }
+    }
+}
+
+
+void writeFile(String name, String content) {
+    for (int i = 0; i < MAX_FILES; i++) {
+        if (!files[i].used) {  
+            files[i].name = name;               //function that writes to file
+            files[i].content = content;
+            files[i].used = true;
+            Serial.println("File written: " + name);
+            return;
+        }
+    }
+    Serial.println("Error: No space left in RAM!");
+}
+
+void readFile(String name) {
+    for (int i = 0; i < MAX_FILES; i++) {
+        if (files[i].used && files[i].name == name) {
+            Serial.println("Content of " + name + ": " + files[i].content); //function that reads written files
+            return;
+        }
+    }
+    Serial.println("Error: File not found!");
+}
+
+
+void deleteFile(String name) {
+    for (int i = 0; i < MAX_FILES; i++) {
+        if (files[i].used && files[i].name == name) {
+            files[i].used = false;  // Marks files as deleted
+            Serial.println("Deleted file: " + name);
+            return;
+        }
+    }
+    Serial.println("Error: File not found!"); // WAH WAH WAH 
+}
+
 void setup() {
-  Serial.begin(9600);
-  bool Userregistered = false;
+    Serial.begin(9600);
 }
 
 void loop() {
-  if (Serial.available()) {
-    String input = Serial.readStringUntil('\n'); 
-    input.trim();
+    if (Serial.available()) {
+        String input = Serial.readStringUntil('\n');
+        input.trim();
 
-    if (input == "clear") {
-      for (int i = 0; i < 50; i++) {
-        Serial.println(); // very, very, VERY scuffed clear command. Adds 50 blank likes to the 'terminal'
-      }
-    } 
-    else if (input.startsWith("echo")) {
-      String message = input.substring(5); //simple echo command (absolutely stolen from linux and made even more scuffed!)
-      message.trim(); 
-      
-      if (message.length() > 0) {
-        Serial.println(message); 
-      }
+        if (input == "clear") {
+            clearScreen(); //clears screen (very scuffed)
+        }
+        else if (input.startsWith("echo ")) {
+            String message = input.substring(5); // It's just echo with less functionality
+
+            message.trim();
+            Serial.println(message);
+        }
+        else if (input.startsWith("format(") && input.endsWith(")")) {
+            input = input.substring(7, input.length() - 1);
+            input.replace("\"", ""); //Formatting for Yasmina :)
+            input.replace(",", " ");
+            Serial.println(input);
+        }
+        else if (input.startsWith("write ")) {
+            int space = input.indexOf(' ', 6);
+            if (space != -1) {
+                String name = input.substring(6, space); // writes to files, I didn't know what to call this command so just write, fuck It
+                String content = input.substring(space + 1);
+                writeFile(name, content);
+            } else {
+                Serial.println("Usage: write <filename> <content>");
+            }
+        } 
+        else if (input.startsWith("read ")) {
+            String name = input.substring(5); // This is your cat, but this was simpler to write, fuck it
+            readFile(name);
+        } 
+        else if (input.startsWith("rm ")) {
+            String name = input.substring(7); //deletes files (has no flags)
+            deleteFile(name);
+        } 
+        else if (input == "ls") { //list files (currently directories don't exist (and let's be real probably won't))
+            listFiles();
+        } 
+        else {
+            Serial.println("Unknown command.");
+        }
     }
-    else if (input.startsWith("format(")) {
-      if (input.endsWith(")")) {
-        input = input.substring(7, input.length() - 1); 
-        input.replace("\"", ""); 
-        input.replace(",", " "); 
-        Serial.println(input); //Happy, Yasmina?
-      }
-    }
-  }
 }