diff --git a/include/memory.h b/include/memory.h
index 7f66edd..dc937d0 100755
--- a/include/memory.h
+++ b/include/memory.h
@@ -110,3 +110,4 @@ void registry_init(void);
 u32 getmallocused(void);
 u32 getmallocfree(void);
 u32 getmallocnonallocated(void);
+u32 virtual_getpagesfree();
diff --git a/lib/memory.c b/lib/memory.c
index ffbf3ae..b1c58b5 100755
--- a/lib/memory.c
+++ b/lib/memory.c
@@ -37,13 +37,29 @@ tmalloc *mallocpage(u8 size)
 	return chunk;
 }
 
+/*******************************************************************************/ 
+/* Retourne le nombre de blocs dynamiques (heap) */ 
+
+u32 getmallocnb(void)
+{
+    u32 realsize=0;	
+	tmalloc *chunk;
+	chunk = KERNEL_HEAP;
+	while (chunk < (tmalloc *) kernelcurrentheap) {
+            realsize++;
+		chunk = chunk + chunk->size;
+    }
+    return realsize;
+}
+
+
 /*******************************************************************************/ 
 /* Retourne la mémoire virtuelle utilisée de façon dynamique (heap) */ 
 
 u32 getmallocused(void)
 {
     u32 realsize=0;	
-	tmalloc *chunk, *new;
+	tmalloc *chunk;
 	chunk = KERNEL_HEAP;
 	while (chunk < (tmalloc *) kernelcurrentheap) {
         if (chunk->used)
@@ -59,7 +75,7 @@ u32 getmallocused(void)
 u32 getmallocfree(void)
 {
     u32 realsize=0;	
-	tmalloc *chunk, *new;
+	tmalloc *chunk;
 	chunk = KERNEL_HEAP;
 	while (chunk < (tmalloc *) kernelcurrentheap) {
         if (!chunk->used)
@@ -435,6 +451,28 @@ void virtual_range_new_kernel(u8 *vaddr, u64 len, u32 flags)
 	virtual_range_new(NULL, vaddr, len, flags);
 }
 
+/*******************************************************************************/ 
+/* Renvoie le nombre de pages virtuelles occupées */
+
+u32 virtual_getpagesused()
+{
+    u32 maxpage=((u32) MAXPAGESSIZE)/((u16) PAGESIZE);
+    return maxpage-virtual_getpagesfree();
+}
+
+/*******************************************************************************/ 
+/* Renvoie le nombre de pages virtuelles libres */
+
+u32 virtual_getpagesfree()
+{
+	vrange *next;
+    u32 realsize=0;
+	TAILQ_FOREACH(next, &vrange_head, tailq)
+        realsize+=(next->vaddrhigh - next->vaddrlow)/PAGESIZE;
+    return realsize;
+}
+
+
 /*******************************************************************************/ 
 /* Libère une page virtuelle de la mémoire */
 
@@ -514,8 +552,8 @@ void malloc_init(void)
 void virtual_init(void)
 {
 	vrange *vpages = (vrange*) vmalloc(sizeof(vrange));
-	vpages->vaddrlow = (u8 *) KERNEL_HEAP+PAGESIZE;
-	vpages->vaddrhigh = (u8 *) KERNEL_HEAP+MAXHEAPSIZE;
+	vpages->vaddrlow = (u8 *) KERNEL_PAGES+PAGESIZE;
+	vpages->vaddrhigh = (u8 *) KERNEL_PAGES+MAXPAGESSIZE;
 	TAILQ_INIT(&vrange_head);
         TAILQ_INSERT_TAIL(&vrange_head, vpages, tailq);
 }
diff --git a/lib/shell.c b/lib/shell.c
index adadf21..539c353 100644
--- a/lib/shell.c
+++ b/lib/shell.c
@@ -17,6 +17,7 @@
 #include "VGA/ansi.c"
 #include "3D/sphere.c"
 #include "3D/man.c"
+#include "memory.h"
 
 static command commands[] = {
 	{"reboot"    , "", &rebootnow},
@@ -85,8 +86,10 @@ int mem()
 {
     u32 libre=getmemoryfree();
     u32 total=physical_getmemorysize();
-    printf("Memoire physique\r\n -libre : %H\r\n -occupee : %H\r\n -total : %H\r\n\r\n",libre,total-libre,total);
-    printf("Memoire tas noyau\r\n -libre : %H\r\n -occupee : %H\r\n -allouables : %H\r\n",getmallocfree(),getmallocused(),getmallocnonallocated());
+    printf("Memoire physique (TOTAL)\r\n -libre \33[40D\33[15C%H\r\n -occupee \33[40D\33[15C%H\r\n -total \33[40D\33[15C%H\r\n\r\n",libre,total-libre,total);
+    printf("Memoire HEAP (NOYAU) - % u blocs\r\n -libre \33[40D\33[15C%H\r\n -occupee \33[40D\33[15C%H\r\n -allouables \33[40D\33[15C%H\r\n\r\n",getmallocnb(),getmallocfree(),getmallocused(),getmallocnonallocated());
+    printf("Plan de memoire (NOYAU)\r\n -IDT \33[40D\33[15C%X\r\n -GDT \33[40D\33[15C%X\r\n -PGD \33[40D\33[15C%X\r\n -STACK \33[40D\33[15C%X\r\n -CODE \33[40D\33[15C%X\r\n -PAGES \33[40D\33[15C%X\r\n -HEAP \33[40D\33[15C%X\r\n -VESAFB \33[40D\33[15C%X\r\n\r\n",IDT_ADDR,GDT_ADDR,KERNEL_PD_ADDR,KERNEL_STACK_ADDR,KERNEL_CODE_ADDR,KERNEL_PAGES,KERNEL_HEAP,VESA_FBMEM);
+    printf("Memoire Virtuelle (NOYAU)\r\n -pages libres \33[40D\33[16C% u\r\n -pages occupees \33[40D\33[16C% u\r\n",virtual_getpagesfree(),virtual_getpagesused());
     return;
 }