diff --git a/kernel/src/console.cpp b/kernel/src/console.cpp
index 7e0a805f..b440114c 100644
--- a/kernel/src/console.cpp
+++ b/kernel/src/console.cpp
@@ -169,6 +169,7 @@ void k_printf(const char* fmt, ...){
 
             auto prev  = current_column;
 
+            //Decimal
             if(ch == 'd'){
                 auto arg = va_arg(va, std::size_t);
 
@@ -186,7 +187,9 @@ void k_printf(const char* fmt, ...){
                 }
 
                 k_print(arg);
-            } else if(ch == 'h'){
+            }
+            //Hexadecimal
+            else if(ch == 'h'){
                 k_print("0x");
 
                 uint8_t buffer[20];
@@ -239,7 +242,27 @@ void k_printf(const char* fmt, ...){
 
                     --i;
                 }
-            } else if(ch == 's'){
+            }
+            //Memory
+            else if(ch == 'm'){
+                auto memory= va_arg(va, std::size_t);
+
+                if(memory > 1024 * 1024 * 1024){
+                    k_print(memory / (1024 * 1024 * 1024));
+                    k_print("GiB");
+                } else if(memory > 1024 * 1024){
+                    k_print(memory / (1024 * 1024));
+                    k_print("MiB");
+                } else if(memory > 1024){
+                    k_print(memory / 1024);
+                    k_print("KiB");
+                } else {
+                    k_print(memory);
+                    k_print("B");
+                }
+            }
+            //String
+            else if(ch == 's'){
                 auto arg = va_arg(va, const char*);
                 k_print(arg);
             }
diff --git a/kernel/src/shell.cpp b/kernel/src/shell.cpp
index 1b7f3796..c79e5743 100644
--- a/kernel/src/shell.cpp
+++ b/kernel/src/shell.cpp
@@ -241,35 +241,23 @@ void mmap_command(const char*){
     } else {
         k_printf("There are %d mmap entry\n", mmap_entry_count());
 
-        k_print_line("Base         End          Size         Type");
+        k_print_line("Base         End          Size                  Type");
         for(std::size_t i = 0; i < mmap_entry_count(); ++i){
             auto& entry = mmap_entry(i);
 
-            k_printf("%.10h %.10h %.10h %.10d %s\n",
+            k_printf("%.10h %.10h %.10h %8m %s\n",
                 entry.base, entry.base + entry.size, entry.size, entry.size, str_e820_type(entry.type));
         }
     }
 }
 
-void print_memory(const char* format, std::size_t memory){
-    if(memory > 1024 * 1024 * 1024){
-        k_printf(format, memory / (1024 * 1024 * 1024), "GiB");
-    } else if(memory > 1024 * 1024){
-        k_printf(format, memory / (1024 * 1024), "MiB");
-    } else if(memory > 1024){
-        k_printf(format, memory / 1024, "KiB");
-    } else {
-        k_printf(format, memory, "B");
-    }
-}
-
 void memory_command(const char*){
     if(mmap_failed()){
         k_print_line("The mmap was not correctly loaded from e820");
     } else {
-        print_memory("Total available memory: %d%s\n", available_memory());
-        print_memory("Total used memory: %d%s\n", used_memory());
-        print_memory("Total free memory: %d%s\n", free_memory());
+        k_printf("Total available memory: %m\n", available_memory());
+        k_printf("Total used memory: %m\n", used_memory());
+        k_printf("Total free memory: %m\n", free_memory());
     }
 }