diff --git a/src/bin/shell/main.c b/src/bin/shell/main.c
index 1decfc6..51487e5 100755
--- a/src/bin/shell/main.c
+++ b/src/bin/shell/main.c
@@ -42,14 +42,6 @@
     }
   buffer[count] = '\0';
   }
-
-int checkPid(int pid) {
-  asm(
-    "int %0\n"
-    : : "i" (0x80),"a" (6),"b" (&pid)
-    );
-  return(pid);
-  }
   
 int main() {
   unsigned char buffer[256],*tmp;
@@ -68,7 +60,7 @@
         exec(tmp);
         }
       else {
-        while (checkPid(cPid));
+        while (pidStatus(cPid));
         }
       }
     }
diff --git a/src/lib/libc/sys/Makefile b/src/lib/libc/sys/Makefile
index 6355524..9225575 100755
--- a/src/lib/libc/sys/Makefile
+++ b/src/lib/libc/sys/Makefile
@@ -14,7 +14,7 @@
 REMOVE = rm -f
 
 #Objects
-OBJS = exec.o getpid.o fork.o
+OBJS = exec.o getpid.o fork.o pidstatus.o
 
 #Output
 OUTPUT = sys.so
diff --git a/ubixos.kdevprj b/ubixos.kdevprj
index f45c7ff..26b5538 100755
--- a/ubixos.kdevprj
+++ b/ubixos.kdevprj
@@ -177,7 +177,7 @@
 type=static_library
 
 [src/lib/libc/include/Makefile.am]
-files=src/lib/libc/include/stdarg.h,src/lib/libc/include/stdio.h,src/lib/libc/include/unistd.h,src/lib/libc/include/stdlib.h
+files=src/lib/libc/include/stdarg.h,src/lib/libc/include/stdio.h,src/lib/libc/include/unistd.h,src/lib/libc/include/stdlib.h,src/lib/libc/include/string.h
 sub_dirs=sys
 type=normal
 
@@ -199,6 +199,12 @@
 install_location=
 type=HEADER
 
+[src/lib/libc/include/string.h]
+dist=true
+install=false
+install_location=
+type=HEADER
+
 [src/lib/libc/include/sys/Makefile.am]
 files=src/lib/libc/include/sys/types.h,src/lib/libc/include/sys/sys.h
 sub_dirs=
@@ -309,7 +315,7 @@
 type=DATA
 
 [src/lib/libc/sys/Makefile.am]
-files=src/lib/libc/sys/getpid.c,src/lib/libc/sys/Makefile,src/lib/libc/sys/exec.c,src/lib/libc/sys/fork.c
+files=src/lib/libc/sys/getpid.c,src/lib/libc/sys/Makefile,src/lib/libc/sys/exec.c,src/lib/libc/sys/fork.c,src/lib/libc/sys/pidstatus.c
 sharedlib_LDFLAGS=-version-info 0:0:1
 sharedlib_rootname=sys
 sub_dirs=
@@ -333,6 +339,12 @@
 install_location=
 type=SOURCE
 
+[src/lib/libc/sys/pidstatus.c]
+dist=true
+install=false
+install_location=
+type=SOURCE
+
 [src/lib/libc/vsprintf.c]
 dist=true
 install=false