diff --git a/Kernel/drivers/time.c b/Kernel/drivers/time.c
index f4adc66..9b85a6c 100755
--- a/Kernel/drivers/time.c
+++ b/Kernel/drivers/time.c
@@ -35,15 +35,15 @@ int getTime(char option) {
 
 // TODO
 void wait(long seconds) {
-	int initialSeconds = getTimeGen(SECONDS);
-	int initialMinutes = getTimeGen(MINUTES);
-	int runSeconds = 0;
-	if (initialSeconds + seconds >= 60) {
+	// int initialSeconds = getTimeGen(SECONDS);
+	// int initialMinutes = getTimeGen(MINUTES);
+	// int runSeconds = 0;
+	// if (initialSeconds + seconds >= 60) {
 
-	}
-	int newSeconds = 0;
-	while ((newSeconds = getTimeGen(SECONDS) - initialSeconds) < seconds)
-		haltcpu();
+	// }
+	// int newSeconds = 0;
+	// while ((newSeconds = getTimeGen(SECONDS) - initialSeconds) < seconds)
+	// 	haltcpu();
 	// while (initialSeconds - seconds != initialSeconds) {
 
 	// }
@@ -55,7 +55,7 @@ static long getTimeFrom2000() {
 	long months = 1 * 2629800;
 	long days = 1 * 86400;
 
-	long aux = years + months + days;
+	// long aux = years + months + days;
 
 	return years + months + days;
 }
diff --git a/Kernel/drivers/video.c b/Kernel/drivers/video.c
index e40d27c..cc5811d 100644
--- a/Kernel/drivers/video.c
+++ b/Kernel/drivers/video.c
@@ -2,7 +2,7 @@
 #include "video.h"
 
 static uint8_t * const video = (uint8_t *) 0xB8000;
-static uint8_t * currentVideo = (uint8_t *) 0xB8000;
+// static uint8_t * currentVideo = (uint8_t *) 0xB8000;
 static const int width = 80;
 static const int height = 25;
 static int currentX = 0;
diff --git a/Kernel/include/schedulerLib.h b/Kernel/include/schedulerLib.h
index 86b5e28..cc4daed 100644
--- a/Kernel/include/schedulerLib.h
+++ b/Kernel/include/schedulerLib.h
@@ -17,5 +17,6 @@ int getFdOut();
 int getFdIn();
 void checkSleeping();
 char unblockFirst(int pid);
+void sleep(int secs);
 
 #endif
\ No newline at end of file
diff --git a/Kernel/include/semLib.h b/Kernel/include/semLib.h
index 0f26211..237d9c2 100644
--- a/Kernel/include/semLib.h
+++ b/Kernel/include/semLib.h
@@ -20,5 +20,6 @@ sem_t * semOpen(char * name, unsigned int value);
 char semClose(sem_t * sem);
 void semWait(sem_t * sem);
 void semPost(sem_t * sem);
+char * getSems();
 
 #endif
\ No newline at end of file
diff --git a/Kernel/interruptions/systemCallsDispatcher.c b/Kernel/interruptions/systemCallsDispatcher.c
index f464ef6..1778a4c 100644
--- a/Kernel/interruptions/systemCallsDispatcher.c
+++ b/Kernel/interruptions/systemCallsDispatcher.c
@@ -20,24 +20,23 @@ uint64_t systemCallsDispatcher(uint64_t rdi, uint64_t rsi, uint64_t rdx, uint64_
         case 2:
             return getTime(rsi, rdx, rcx);
         case 3:
-            return enqueueProcess(rsi, rdx, rcx, r8, r9);
+            return enqueueProcess((void (*)(int, char **)) rsi, rdx, rcx, (char **) r8, (int *) r9);
         case 4:
             exitProcess();
             break;
         case 5:
-            // setFn(rsi, rdx, rcx);
             break;
         case 6:
             return (uint64_t) processes();
         case 7:
             return (uint64_t) getSems();
         case 8:
-            return pvPortMalloc((size_t) rsi);
+            return (uint64_t) pvPortMalloc((size_t) rsi);
         case 9:
             vPortFree((void *) rsi);
             break;
         case 10:
-            return (uint64_t) openPipe(rsi, rdx);
+            return (uint64_t) openPipe((int *) rsi, (char *) rdx);
         case 11:
             return nice(rsi, rdx);
         case 12:
@@ -50,7 +49,7 @@ uint64_t systemCallsDispatcher(uint64_t rdi, uint64_t rsi, uint64_t rdx, uint64_
             semPost((sem_t *) rsi);
             break;
         case 15:
-            return semOpen(rsi, rdx);
+            return (uint64_t) semOpen((char *) rsi, rdx);
         case 16:
             kill(rsi);
             break;
diff --git a/Kernel/lib.c b/Kernel/lib.c
index 8b03e0e..f992436 100644
--- a/Kernel/lib.c
+++ b/Kernel/lib.c
@@ -113,7 +113,7 @@ void strlen(const char *str, int *len) {
 
 int strcpy(char * strDest, const char * strSrc) {
 	int i = 0;
-    while (*strDest++ = *strSrc++) {
+    while ((*strDest++ = *strSrc++)) {
 		i++;
 	}
     return i;
diff --git a/Kernel/utils/memManagerFRT2.c b/Kernel/utils/memManagerFRT2.c
index 4588472..3f54c15 100644
--- a/Kernel/utils/memManagerFRT2.c
+++ b/Kernel/utils/memManagerFRT2.c
@@ -78,6 +78,7 @@
 //  * the block.  Small blocks at the start of the list and large blocks at the end
 //  * of the list.
 //  */
+/*
 // #define prvInsertBlockIntoFreeList( pxBlockToInsert )								\
 // {																					\
 // BlockLink_t *pxIterator;															\
@@ -85,18 +86,14 @@
 // 																					\
 // 	xBlockSize = pxBlockToInsert->xBlockSize;										\
 // 																					\
-// 	/* Iterate through the list until a block is found that has a larger size */	\
-// 	/* than the block we are inserting. */											\
 // 	for( pxIterator = &xStart; pxIterator->pxNextFreeBlock->xBlockSize < xBlockSize; pxIterator = pxIterator->pxNextFreeBlock )	\
 // 	{																				\
-// 		/* There is nothing to do here - just iterate to the correct position. */	\
 // 	}																				\
 // 																					\
-// 	/* Update the list to include the block being inserted in the correct */		\
-// 	/* position. */																	\
 // 	pxBlockToInsert->pxNextFreeBlock = pxIterator->pxNextFreeBlock;					\
 // 	pxIterator->pxNextFreeBlock = pxBlockToInsert;									\
 // }
+*/
 // /*-----------------------------------------------------------*/
 // void *pvPortMalloc( size_t xWantedSize )
 // {
diff --git a/Kernel/utils/scheduler.c b/Kernel/utils/scheduler.c
index 61cb16f..b2e7a0c 100644
--- a/Kernel/utils/scheduler.c
+++ b/Kernel/utils/scheduler.c
@@ -3,7 +3,7 @@
 
 // void _initialize_stack_frame(void *, void *, int, char**, void **, void **);
 // void _initialize_stack_frame(void *, void *, int, char**, void *, void *);
-uint64_t * _initialize_stack_frame(void *, void *, int, char**);
+uint64_t _initialize_stack_frame(void *, void *, int, char**);
 
 enum states {READY = 0, DEAD, BLOCKED};
 
@@ -32,8 +32,6 @@ processCDT * firstBlockedIteration = NULL;
 
 processCDT * firstProcess = NULL;
 processCDT * lastProcess = NULL;
-// processCDT * firstBlocked = NULL;
-// processCDT * lastBlocked = NULL;
 sleepCDT * firstSleep = NULL;
 
 static processCDT * currentProcess = NULL;
@@ -100,58 +98,6 @@ uint64_t nextProcess(uint64_t currentRSP) {
     return currentProcess->rsp;
 }
 
-/*
-uint64_t nextProcess(uint64_t currentRSP) {
-    if (currentProcess == firstBlockedIteration) {
-        idleFlag = 2;
-        unblock(IDLE_PID);
-    }
-    update = 1;
-    if (currentProcess == NULL) {
-        currentProcess = firstProcess;
-        return currentProcess->rsp;
-    }
-    else if (currentProcess->state == DEAD) {
-        processCDT * del = currentProcess;
-        if (currentProcess->next != NULL) {
-            currentProcess = currentProcess->next;
-        }
-        else currentProcess = firstProcess;
-        processCDT * prev = NULL;
-        removeProcess(del, prev, &firstProcess, &lastProcess);
-        vPortFree((void *) del);
-        return currentProcess->rsp;
-    }
-    currentProcess->rsp = currentRSP;
-    if (currentProcess->state == BLOCKED) {
-        if (firstBlockedIteration == NULL)
-            firstBlockedIteration = currentProcess;
-        processCDT * del = currentProcess;
-        if (currentProcess->next != NULL) {
-            currentProcess = currentProcess->next;
-        }
-        else if (firstProcess == NULL) {
-            idleFlag = 2;
-            unblock(IDLE_PID);
-        }
-        else currentProcess = firstProcess;
-        return currentProcess->rsp;
-    }
-    firstBlockedIteration = NULL;
-    if (currentProcess->executions < MAX_PRIORITY - currentProcess->priority + 1) {
-        currentProcess->executions++;
-        return currentProcess->rsp;
-    }
-    currentProcess->executions = 0;
-    if (currentProcess->next != NULL)
-        currentProcess = currentProcess->next;
-    else {
-        currentProcess = firstProcess;
-    }
-    return currentProcess->rsp;
-}
-*/
-
 void idle() {
     while (1) {
         haltcpu();
diff --git a/Userland/SampleCodeModule/bottler/bottler.c b/Userland/SampleCodeModule/bottler/bottler.c
index d807b1e..c636651 100644
--- a/Userland/SampleCodeModule/bottler/bottler.c
+++ b/Userland/SampleCodeModule/bottler/bottler.c
@@ -34,7 +34,7 @@ void bottler(int argc, char ** argv) {
     printStringLen( "                              %%%%%%%%%%%%%                                 ", 80); new_line();
     printStringLen( "                                 %%%%%%%                                    ", 80); new_line();
     printStringLen( "                                                                            ", 80); new_line();
-	// sys_sleep(3);
+	sys_sleep(3);
 	
 	winClear();
     sys_exit();
diff --git a/Userland/SampleCodeModule/libc.c b/Userland/SampleCodeModule/libc.c
index a1f66bb..f274097 100644
--- a/Userland/SampleCodeModule/libc.c
+++ b/Userland/SampleCodeModule/libc.c
@@ -33,7 +33,7 @@ char * strcat(char * dest, const char * src) {
 
     while (*dest)
       dest++;
-    while (*dest++ = *src++);
+    while ((*dest++ = *src++));
     return rdest;
 }
 
@@ -56,7 +56,7 @@ void winClear() {
 
 int strcpy(char * strDest, const char * strSrc) {
 	int i = 0;
-    while (*strDest++ = *strSrc++) {
+    while ((*strDest++ = *strSrc++)) {
 		i++;
 	}
     return i;
diff --git a/Userland/SampleCodeModule/sampleCodeModule.c b/Userland/SampleCodeModule/sampleCodeModule.c
index ad88b9f..20210d8 100644
--- a/Userland/SampleCodeModule/sampleCodeModule.c
+++ b/Userland/SampleCodeModule/sampleCodeModule.c
@@ -13,7 +13,7 @@ int main(int argc, char *argv[]) {
 
     char * argv1[] = {"bottler"};
     sys_loadProcess(bottler, 1, 1, argv1, NULL);
-    // sys_sleep(4);
+    sys_sleep(4);
     // winClear();
 
     char * argv2[] = {"shell"};
diff --git a/Userland/SampleCodeModule/shell/commands/loop.c b/Userland/SampleCodeModule/shell/commands/loop.c
index 1f3367e..e71ad6c 100644
--- a/Userland/SampleCodeModule/shell/commands/loop.c
+++ b/Userland/SampleCodeModule/shell/commands/loop.c
@@ -2,17 +2,12 @@
 #define PUAN -1
 
 void loop(int argc, char *argv[]) {
-    // int pid = sys_getPid(), secs = atoi(argv[1], PUAN);
-    // char * str = "Hola, soy el proceso ";
-    // char buffer[MAX_LEN];
-    // str = strcat(str, itoa(pid, buffer, 10));
-    // while (1) {
-    //     printString(str);
-    //     sys_sleep(secs);
-    // }
-
-    int pid = sys_getPid();
-    sys_block(pid);
-    sys_unblock(pid);
-    sys_exit();
+    int pid = sys_getPid(), secs = atoi(argv[1], PUAN);
+    char * str = "Hola, soy el proceso ";
+    char buffer[MAX_PID_LEN];
+    str = strcat(str, itoa(pid, buffer, 10));
+    while (1) {
+        printString(str);
+        sys_sleep(secs);
+    }
 }
\ No newline at end of file
diff --git a/Userland/SampleCodeModule/shell/include/loop.h b/Userland/SampleCodeModule/shell/include/loop.h
index 11252eb..b5c318c 100644
--- a/Userland/SampleCodeModule/shell/include/loop.h
+++ b/Userland/SampleCodeModule/shell/include/loop.h
@@ -4,7 +4,7 @@
 #include "libc.h"
 #include "system.h"
 
-#define MAX_LEN 100
+#define MAX_PID_LEN 100
 
 void loop(int argc, char *argv[]);