diff --git a/Makefile b/Makefile
index 39a99d7a8f..b1a523e775 100644
--- a/Makefile
+++ b/Makefile
@@ -61,6 +61,7 @@ CFLAGS += -MD
 CFLAGS += -mcmodel=medany
 CFLAGS += -ffreestanding -fno-common -nostdlib -mno-relax
 CFLAGS += -I.
+CFLAGS += -Ikernel
 CFLAGS += $(shell $(CC) -fno-stack-protector -E -x c /dev/null >/dev/null 2>&1 && echo -fno-stack-protector)
 
 # Disable PIE when possible (for Ubuntu 16.10 toolchain)
@@ -132,6 +133,7 @@ UPROGS=\
 	$U/_grind\
 	$U/_wc\
 	$U/_zombie\
+	$U/_test_getancestor\
 
 fs.img: mkfs/mkfs README $(UPROGS)
 	mkfs/mkfs fs.img README $(UPROGS)
diff --git a/kernel/syscall.c b/kernel/syscall.c
index ed654094cb..f2bce8037c 100644
--- a/kernel/syscall.c
+++ b/kernel/syscall.c
@@ -101,6 +101,8 @@ extern uint64 sys_unlink(void);
 extern uint64 sys_link(void);
 extern uint64 sys_mkdir(void);
 extern uint64 sys_close(void);
+extern uint64 sys_getppid(void);
+extern uint64 sys_getancestor(void);
 
 // An array mapping syscall numbers from syscall.h
 // to the function that handles the system call.
@@ -126,6 +128,8 @@ static uint64 (*syscalls[])(void) = {
 [SYS_link]    sys_link,
 [SYS_mkdir]   sys_mkdir,
 [SYS_close]   sys_close,
+[SYS_getpid]  sys_getppid,
+[SYS_getancestor] sys_getancestor
 };
 
 void
@@ -145,3 +149,4 @@ syscall(void)
     p->trapframe->a0 = -1;
   }
 }
+
diff --git a/kernel/syscall.h b/kernel/syscall.h
index bc5f35651c..697498d9ba 100644
--- a/kernel/syscall.h
+++ b/kernel/syscall.h
@@ -20,3 +20,5 @@
 #define SYS_link   19
 #define SYS_mkdir  20
 #define SYS_close  21
+#define SYS_getppid 22
+#define SYS_getancestor 23
\ No newline at end of file
diff --git a/kernel/sysproc.c b/kernel/sysproc.c
index 1de184e0ab..4746145ad7 100644
--- a/kernel/sysproc.c
+++ b/kernel/sysproc.c
@@ -5,6 +5,7 @@
 #include "memlayout.h"
 #include "spinlock.h"
 #include "proc.h"
+#include "syscall.h"
 
 uint64
 sys_exit(void)
@@ -15,10 +16,39 @@ sys_exit(void)
   return 0;  // not reached
 }
 
+// Implementación de getppid
 uint64
-sys_getpid(void)
+sys_getppid(void)
 {
-  return myproc()->pid;
+    struct proc *curproc = myproc();
+    if (curproc->parent) // Si el proceso tiene un padre
+        return curproc->parent->pid;
+    return -1; // Si no tiene padre
+}
+
+// Implementación de getancestor
+uint64
+sys_getancestor(void)
+{
+    int level;
+
+    // Obtener el argumento del nivel
+    argint(0, &level);
+
+    // Validar que el nivel no sea negativo
+    if (level < 0)
+        return -1;
+
+    struct proc *p = myproc(); // Proceso actual
+
+    // Recorre hacia arriba por los ancestros
+    for (int i = 0; i < level; i++) {
+        if (!p->parent) // Si no hay más ancestros válidos
+            return -1;
+        p = p->parent; // Avanzar al proceso padre
+    }
+
+    return p->pid; // Retornar el PID del ancestro
 }
 
 uint64
diff --git a/user/test_getancestor.c b/user/test_getancestor.c
new file mode 100644
index 0000000000..93593faf94
--- /dev/null
+++ b/user/test_getancestor.c
@@ -0,0 +1,20 @@
+#include "../kernel/types.h"
+#include "user.h"
+
+
+int main() {
+    printf("PID actual: %d\n", getpid());
+    printf("PPID: %d\n", getppid());
+
+    for (int i = 0; i <= 3; i++) {
+        int ancestor = getancestor(i);
+        if (ancestor == -1) {
+            printf("Nivel %d: No hay ancestro\n", i);
+        } else {
+            printf("Nivel %d: PID %d\n", i, ancestor);
+        }
+    }
+
+    exit(0); // Terminar con éxito
+    return 0; // Solo por convención, aunque exit detiene la ejecución
+}
diff --git a/user/ulib.c b/user/ulib.c
index c7b66c4756..16255f8fdb 100644
--- a/user/ulib.c
+++ b/user/ulib.c
@@ -2,6 +2,7 @@
 #include "kernel/stat.h"
 #include "kernel/fcntl.h"
 #include "user/user.h"
+#include "kernel/syscall.h"
 
 //
 // wrapper so that it's OK if main() does not call exit().
diff --git a/user/user.h b/user/user.h
index 4d398d5069..9977cea400 100644
--- a/user/user.h
+++ b/user/user.h
@@ -22,6 +22,10 @@ int getpid(void);
 char* sbrk(int);
 int sleep(int);
 int uptime(void);
+int getppid(void);
+int getancestor(int);
+int syscall(int num);
+
 
 // ulib.c
 int stat(const char*, struct stat*);
diff --git a/user/usys.pl b/user/usys.pl
index 01e426e6b3..4bc7749aa1 100755
--- a/user/usys.pl
+++ b/user/usys.pl
@@ -36,3 +36,5 @@ sub entry {
 entry("sbrk");
 entry("sleep");
 entry("uptime");
+entry("getppid");
+entry("getancestor");
\ No newline at end of file