diff --git a/conts/libc/include/atoi.h b/conts/libc/include/atoi.h
new file mode 100644
index 0000000..f931d48
--- /dev/null
+++ b/conts/libc/include/atoi.h
@@ -0,0 +1,26 @@
+#ifndef __ATOI_H__
+#define __ATOI_H__
+
+static inline int power(int exp, int mul)
+{
+	int total = 1;
+
+	while (exp > 0) {
+		total *= mul;
+		exp--;
+	}
+	return total;
+}
+
+static inline int atoi(char *str)
+{
+	int size = strlen(str);
+	int iter = size - 1;
+	int num = 0;
+
+	for (int i = 0; i < size; i++)
+		num += ((int)str[iter - i] - 48) * power(i, 10);
+	return num;
+}
+
+#endif
diff --git a/conts/libl4/include/l4lib/ipcdefs.h b/conts/libl4/include/l4lib/ipcdefs.h
index ef0f650..31537d1 100644
--- a/conts/libl4/include/l4lib/ipcdefs.h
+++ b/conts/libl4/include/l4lib/ipcdefs.h
@@ -62,4 +62,7 @@
 #define L4_IPC_TAG_NOTIFY_FORK		46	/* Pager notifies vfs of process fork */
 #define L4_IPC_TAG_NOTIFY_EXIT		47	/* Pager notifies vfs of process exit */
 #define L4_IPC_TAG_PAGER_OPEN_BYPATH	48	/* Pager opens a vfs file by pathname */
+
+extern l4id_t pagerid;
+
 #endif /* __IPCDEFS_H__ */
diff --git a/conts/libl4/src/init.c b/conts/libl4/src/init.c
index 0492f4c..508c682 100644
--- a/conts/libl4/src/init.c
+++ b/conts/libl4/src/init.c
@@ -27,6 +27,8 @@ __l4_mutex_control_t __l4_mutex_control = 0;
 
 struct kip *kip;
 
+l4id_t pagerid;
+
 /*
  * Reference to private UTCB of this thread.
  * Used only for pushing/reading ipc message registers.
diff --git a/conts/posix/libposix/chdir.c b/conts/posix/libposix/chdir.c
index 2f9988c..ce48e39 100644
--- a/conts/posix/libposix/chdir.c
+++ b/conts/posix/libposix/chdir.c
@@ -25,7 +25,7 @@ static inline int l4_chdir(const char *pathname)
 	utcb_full_strcpy_from(pathname);
 
 	/* Call pager with shmget() request. Check ipc error. */
-	if ((fd = l4_sendrecv_full(PAGER_TID, PAGER_TID, L4_IPC_TAG_CHDIR)) < 0) {
+	if ((fd = l4_sendrecv_full(pagerid, pagerid, L4_IPC_TAG_CHDIR)) < 0) {
 		print_err("%s: L4 IPC Error: %d.\n", __FUNCTION__, fd);
 		return fd;
 	}
diff --git a/conts/posix/libposix/close.c b/conts/posix/libposix/close.c
index 2e4fc46..d45e63d 100644
--- a/conts/posix/libposix/close.c
+++ b/conts/posix/libposix/close.c
@@ -19,7 +19,7 @@ static inline int l4_close(int fd)
 	write_mr(L4SYS_ARG0, fd);
 
 	/* Call pager with close() request. Check ipc error. */
-	if ((fd = l4_sendrecv(PAGER_TID, PAGER_TID, L4_IPC_TAG_CLOSE)) < 0) {
+	if ((fd = l4_sendrecv(pagerid, pagerid, L4_IPC_TAG_CLOSE)) < 0) {
 		print_err("%s: L4 IPC Error: %d.\n", __FUNCTION__, fd);
 		return fd;
 	}
@@ -50,7 +50,7 @@ static inline int l4_fsync(int fd)
 	write_mr(L4SYS_ARG0, fd);
 
 	/* Call pager with close() request. Check ipc error. */
-	if ((fd = l4_sendrecv(PAGER_TID, PAGER_TID, L4_IPC_TAG_FSYNC)) < 0) {
+	if ((fd = l4_sendrecv(pagerid, pagerid, L4_IPC_TAG_FSYNC)) < 0) {
 		print_err("%s: L4 IPC Error: %d.\n", __FUNCTION__, fd);
 		return fd;
 	}
diff --git a/conts/posix/libposix/env.c b/conts/posix/libposix/env.c
index 69aabee..234359d 100644
--- a/conts/posix/libposix/env.c
+++ b/conts/posix/libposix/env.c
@@ -9,6 +9,7 @@
 
 char **__environ;
 
+
 /*
  * Search for given name in name=value string pairs located
  * in the environment segment, and return the pointer to value
diff --git a/conts/posix/libposix/execve.c b/conts/posix/libposix/execve.c
index a698c7d..fc01fd1 100644
--- a/conts/posix/libposix/execve.c
+++ b/conts/posix/libposix/execve.c
@@ -36,7 +36,7 @@ static inline int l4_execve(const char *pathname, char *const argv[], char *cons
 
 
 	/* Call pager with open() request. Check ipc error. */
-	if ((err = l4_sendrecv(PAGER_TID, PAGER_TID, L4_IPC_TAG_EXECVE)) < 0) {
+	if ((err = l4_sendrecv(pagerid, pagerid, L4_IPC_TAG_EXECVE)) < 0) {
 		print_err("%s: L4 IPC Error: %d.\n", __FUNCTION__, err);
 		return err;
 	}
diff --git a/conts/posix/libposix/exit.c b/conts/posix/libposix/exit.c
index 5708360..904aabe 100644
--- a/conts/posix/libposix/exit.c
+++ b/conts/posix/libposix/exit.c
@@ -13,7 +13,7 @@ static inline void __attribute__ ((noreturn)) l4_exit(int status)
 	write_mr(L4SYS_ARG0, status);
 
 	/* Call pager with exit() request and block on its receive phase */
-	ret = l4_sendrecv(PAGER_TID, PAGER_TID, L4_IPC_TAG_EXIT);
+	ret = l4_sendrecv(pagerid, pagerid, L4_IPC_TAG_EXIT);
 
 	/* This call should not fail or return */
 	print_err("%s: L4 IPC returned: %d.\n", __FUNCTION__, ret);
diff --git a/conts/posix/libposix/fork.c b/conts/posix/libposix/fork.c
index ef1726a..f679b43 100644
--- a/conts/posix/libposix/fork.c
+++ b/conts/posix/libposix/fork.c
@@ -20,7 +20,7 @@ static inline int l4_fork(void)
 	int err;
 
 	/* Call pager with open() request. Check ipc error. */
-	if ((err = l4_sendrecv(PAGER_TID, PAGER_TID, L4_IPC_TAG_FORK)) < 0) {
+	if ((err = l4_sendrecv(pagerid, pagerid, L4_IPC_TAG_FORK)) < 0) {
 		print_err("%s: L4 IPC Error: %d.\n", __FUNCTION__, err);
 		return err;
 	}
@@ -67,7 +67,7 @@ int clone(int (*fn)(void *), void *child_stack, int flags, void *arg, ...)
 	write_mr(L4SYS_ARG1, flags);
 
 	/* Perform an ipc but with different return logic. See implementation. */
-	if ((ret = arch_clone(PAGER_TID, PAGER_TID, 0)) < 0) {
+	if ((ret = arch_clone(pagerid, pagerid, 0)) < 0) {
 		print_err("%s: L4 IPC Error: %d.\n", __FUNCTION__, ret);
 		return ret;
 	}
diff --git a/conts/posix/libposix/lseek.c b/conts/posix/libposix/lseek.c
index f72794d..44fa8aa 100644
--- a/conts/posix/libposix/lseek.c
+++ b/conts/posix/libposix/lseek.c
@@ -21,7 +21,7 @@ static inline off_t l4_lseek(int fildes, off_t offset, int whence)
 	write_mr(L4SYS_ARG2, whence);
 
 	/* Call pager with shmget() request. Check ipc error. */
-	if ((offres = l4_sendrecv(PAGER_TID, PAGER_TID, L4_IPC_TAG_LSEEK)) < 0) {
+	if ((offres = l4_sendrecv(pagerid, pagerid, L4_IPC_TAG_LSEEK)) < 0) {
 		print_err("%s: L4 IPC Error: %d.\n", __FUNCTION__, offres);
 		return offres;
 	}
diff --git a/conts/posix/libposix/mkdir.c b/conts/posix/libposix/mkdir.c
index 5d5f762..ffb4996 100644
--- a/conts/posix/libposix/mkdir.c
+++ b/conts/posix/libposix/mkdir.c
@@ -29,7 +29,7 @@ static inline int l4_mkdir(const char *pathname, mode_t mode)
 	write_mr(L4SYS_ARG0, (u32)mode);
 
 	/* Call pager with shmget() request. Check ipc error. */
-	if ((fd = l4_sendrecv_full(PAGER_TID, PAGER_TID, L4_IPC_TAG_MKDIR)) < 0) {
+	if ((fd = l4_sendrecv_full(pagerid, pagerid, L4_IPC_TAG_MKDIR)) < 0) {
 		print_err("%s: L4 IPC Error: %d.\n", __FUNCTION__, fd);
 		return fd;
 	}
diff --git a/conts/posix/libposix/mmap.c b/conts/posix/libposix/mmap.c
index 9c4bac1..7efefcc 100644
--- a/conts/posix/libposix/mmap.c
+++ b/conts/posix/libposix/mmap.c
@@ -43,7 +43,7 @@ static inline void *l4_mmap(void *start, size_t length, int prot, int flags, int
 	write_mr(L4SYS_ARG0, (unsigned long)&desc);
 
 	/* Call pager with MMAP request. Check ipc error. */
-	if ((ret = l4_sendrecv(PAGER_TID, PAGER_TID, L4_IPC_TAG_MMAP)) < 0) {
+	if ((ret = l4_sendrecv(pagerid, pagerid, L4_IPC_TAG_MMAP)) < 0) {
 		print_err("%s: IPC Error: %d.\n", __FUNCTION__, ret);
 		return PTR_ERR(ret);
 	}
@@ -79,7 +79,7 @@ int l4_munmap(void *start, size_t length)
 	write_mr(L4SYS_ARG1, length);
 
 	/* Call pager with MMAP request. */
-	if ((err = l4_sendrecv(PAGER_TID, PAGER_TID, L4_IPC_TAG_MUNMAP)) < 0) {
+	if ((err = l4_sendrecv(pagerid, pagerid, L4_IPC_TAG_MUNMAP)) < 0) {
 		print_err("%s: IPC Error: %d.\n", __FUNCTION__, err);
 		return err;
 	}
@@ -111,7 +111,7 @@ int l4_msync(void *start, size_t length, int flags)
 	write_mr(L4SYS_ARG2, flags);
 
 	/* Call pager with MMAP request. */
-	if ((errno = l4_sendrecv(PAGER_TID, PAGER_TID, L4_IPC_TAG_MSYNC)) < 0) {
+	if ((errno = l4_sendrecv(pagerid, pagerid, L4_IPC_TAG_MSYNC)) < 0) {
 		print_err("%s: IPC Error: %d.\n", __FUNCTION__, errno);
 		return -1;
 	}
diff --git a/conts/posix/libposix/open.c b/conts/posix/libposix/open.c
index 0231f26..2c1155a 100644
--- a/conts/posix/libposix/open.c
+++ b/conts/posix/libposix/open.c
@@ -30,7 +30,7 @@ static inline int l4_open(const char *pathname, int flags, mode_t mode)
 	write_mr(L4SYS_ARG1, (u32)mode);
 
 	/* Call pager with open() request. Check ipc error. */
-	if ((fd = l4_sendrecv_full(PAGER_TID, PAGER_TID, L4_IPC_TAG_OPEN)) < 0) {
+	if ((fd = l4_sendrecv_full(pagerid, pagerid, L4_IPC_TAG_OPEN)) < 0) {
 		print_err("%s: L4 IPC Error: %d.\n", __FUNCTION__, fd);
 		return fd;
 	}
diff --git a/conts/posix/libposix/read.c b/conts/posix/libposix/read.c
index 0546dc7..c451f17 100644
--- a/conts/posix/libposix/read.c
+++ b/conts/posix/libposix/read.c
@@ -36,13 +36,13 @@ static inline int l4_readdir(int fd, void *buf, size_t count)
 	write_mr(L4SYS_ARG1, count);
 
 	/* Call pager with readdir() request. Check ipc error. */
-	if ((err = l4_send(PAGER_TID, L4_IPC_TAG_READDIR)) < 0) {
+	if ((err = l4_send(pagerid, L4_IPC_TAG_READDIR)) < 0) {
 		print_err("%s: L4 IPC Error: %d.\n", __FUNCTION__, err);
 		return err;
 	}
 
 	/* Call pager with readdir() request. Check ipc error. */
-	if ((err = l4_receive_extended(PAGER_TID,
+	if ((err = l4_receive_extended(pagerid,
 				       L4_IPC_EXTENDED_MAX_SIZE,
 				       buf)) < 0) {
 		print_err("%s: L4 Extended IPC error: %d.\n", __FUNCTION__, err);
@@ -68,7 +68,7 @@ static inline int l4_readdir(int fd, void *buf, size_t count)
 	write_mr(L4SYS_ARG2, count);
 
 	/* Call pager with readdir() request. Check ipc error. */
-	if ((cnt = l4_sendrecv(PAGER_TID, PAGER_TID, L4_IPC_TAG_READDIR)) < 0) {
+	if ((cnt = l4_sendrecv(pagerid, pagerid, L4_IPC_TAG_READDIR)) < 0) {
 		print_err("%s: L4 IPC Error: %d.\n", __FUNCTION__, cnt);
 		return cnt;
 	}
@@ -91,7 +91,7 @@ static inline int l4_read(int fd, void *buf, size_t count)
 	write_mr(L4SYS_ARG2, count);
 
 	/* Call pager with read() request. Check ipc error. */
-	if ((cnt = l4_sendrecv(PAGER_TID, PAGER_TID, L4_IPC_TAG_READ)) < 0) {
+	if ((cnt = l4_sendrecv(pagerid, pagerid, L4_IPC_TAG_READ)) < 0) {
 		print_err("%s: L4 IPC Error: %d.\n", __FUNCTION__, cnt);
 		return cnt;
 	}
diff --git a/conts/posix/libposix/shm.c b/conts/posix/libposix/shm.c
index 6094e74..65204a9 100644
--- a/conts/posix/libposix/shm.c
+++ b/conts/posix/libposix/shm.c
@@ -23,7 +23,7 @@ int l4_shmget(l4id_t key, int size, int shmflg)
 	write_mr(L4SYS_ARG2, shmflg);
 
 	/* Call pager with shmget() request. Check ipc error. */
-	if ((err = l4_sendrecv(PAGER_TID, PAGER_TID, L4_IPC_TAG_SHMGET)) < 0) {
+	if ((err = l4_sendrecv(pagerid, pagerid, L4_IPC_TAG_SHMGET)) < 0) {
 		print_err("%s: L4 IPC Error: %d.\n", __FUNCTION__, err);
 		return err;
 	}
@@ -46,7 +46,7 @@ void *l4_shmat(l4id_t shmid, const void *shmaddr, int shmflg)
 	write_mr(L4SYS_ARG2, shmflg);
 
 	/* Call pager with shmget() request. Check ipc error. */
-	if ((err = l4_sendrecv(PAGER_TID, PAGER_TID, L4_IPC_TAG_SHMAT)) < 0) {
+	if ((err = l4_sendrecv(pagerid, pagerid, L4_IPC_TAG_SHMAT)) < 0) {
 		print_err("%s: L4 IPC Error: %d.\n", __FUNCTION__, err);
 		return PTR_ERR(err);
 	}
@@ -67,7 +67,7 @@ int l4_shmdt(const void *shmaddr)
 	write_mr(L4SYS_ARG0, (unsigned long)shmaddr);
 
 	/* Call pager with shmget() request. Check ipc error. */
-	if ((err = l4_sendrecv(PAGER_TID, PAGER_TID, L4_IPC_TAG_SHMDT)) < 0) {
+	if ((err = l4_sendrecv(pagerid, pagerid, L4_IPC_TAG_SHMDT)) < 0) {
 		print_err("%s: L4 IPC Error: %d.\n", __FUNCTION__, err);
 		return -1;
 	}
diff --git a/conts/posix/libposix/shpage.c b/conts/posix/libposix/shpage.c
index cb3997a..34446ab 100644
--- a/conts/posix/libposix/shpage.c
+++ b/conts/posix/libposix/shpage.c
@@ -46,7 +46,7 @@ static void *shared_page_address(void)
 	write_mr(L4SYS_ARG0, self_tid());
 
 	/* Call pager with utcb address request. Check ipc error. */
-	if ((err = l4_sendrecv(PAGER_TID, PAGER_TID,
+	if ((err = l4_sendrecv(pagerid, pagerid,
 			       L4_IPC_TAG_SHPAGE)) < 0) {
 		print_err("%s: L4 IPC Error: %d.\n", __FUNCTION__, err);
 		return PTR_ERR(err);
@@ -76,7 +76,7 @@ int shared_page_init(void)
 	 * Initialise shared page only if we're not the pager.
 	 * The pager does it differently for itself.
 	 */
-	BUG_ON(self_tid() == PAGER_TID);
+	BUG_ON(self_tid() == pagerid);
 
 	/* Obtain our shared page address */
 	shared_page = shared_page_address();
diff --git a/conts/posix/libposix/stat.c b/conts/posix/libposix/stat.c
index ed27bee..e87b869 100644
--- a/conts/posix/libposix/stat.c
+++ b/conts/posix/libposix/stat.c
@@ -30,7 +30,7 @@ static inline int l4_fstat(int fd, void *buffer)
 	write_mr(L4SYS_ARG1, (unsigned long)buffer);
 
 	/* Call pager with open() request. Check ipc error. */
-	if ((err = l4_sendrecv_full(PAGER_TID, PAGER_TID, L4_IPC_TAG_FSTAT)) < 0) {
+	if ((err = l4_sendrecv_full(pagerid, pagerid, L4_IPC_TAG_FSTAT)) < 0) {
 		print_err("%s: L4 IPC Error: %d.\n", __FUNCTION__, err);
 		return err;
 	}
@@ -75,7 +75,7 @@ static inline int l4_stat(const char *pathname, void *buffer)
 	write_mr(L4SYS_ARG1, (unsigned long)&ks);
 
 	/* Call vfs with stat() request. Check ipc error. */
-	if ((err = l4_sendrecv_full(PAGER_TID, PAGER_TID, L4_IPC_TAG_STAT)) < 0) {
+	if ((err = l4_sendrecv_full(pagerid, pagerid, L4_IPC_TAG_STAT)) < 0) {
 		print_err("%s: L4 IPC Error: %d.\n", __FUNCTION__, err);
 		return err;
 	}
diff --git a/conts/posix/libposix/write.c b/conts/posix/libposix/write.c
index 60d1cb6..c5cd32b 100644
--- a/conts/posix/libposix/write.c
+++ b/conts/posix/libposix/write.c
@@ -21,7 +21,7 @@ static inline int l4_write(int fd, const void *buf, size_t count)
 	write_mr(L4SYS_ARG2, count);
 
 	/* Call pager with write() request. Check ipc error. */
-	if ((wrcnt = l4_sendrecv(PAGER_TID, PAGER_TID, L4_IPC_TAG_WRITE)) < 0) {
+	if ((wrcnt = l4_sendrecv(pagerid, pagerid, L4_IPC_TAG_WRITE)) < 0) {
 		print_err("%s: L4 IPC Error: %d.\n", __FUNCTION__, wrcnt);
 		return wrcnt;
 	}
diff --git a/conts/posix/mm0/mm/execve.c b/conts/posix/mm0/mm/execve.c
index 27c764b..5da170d 100644
--- a/conts/posix/mm0/mm/execve.c
+++ b/conts/posix/mm0/mm/execve.c
@@ -42,7 +42,7 @@ int init_execve(char *filepath)
 	struct exec_file_desc efd;
 	struct tcb *new_task, *self;
 	struct args_struct args, env;
-	char *env_string = "pagerid=0";
+	char env_string[30];
 	int err;
 	int fd;
 
@@ -52,6 +52,8 @@ int init_execve(char *filepath)
 		.tgid = TASK_ID_INVALID,
 	};
 
+	sprintf(env_string, "pagerid=%d", self_tid());
+
 	/* Set up args_struct */
 	args.argc = 1;
 	args.argv = alloca(sizeof(args.argv));
diff --git a/conts/posix/mm0/mm/task.c b/conts/posix/mm0/mm/task.c
index 41c07c0..4255e84 100644
--- a/conts/posix/mm0/mm/task.c
+++ b/conts/posix/mm0/mm/task.c
@@ -434,8 +434,6 @@ struct tcb *task_create(struct tcb *parent, struct task_ids *ids,
  *
  * (low) |->argc|argv[0]|argv[1]|...|argv[argc] = 0|envp[0]|envp[1]|...|NULL| (high)
  *
- * IOW:
- *
  * argc
  * argv pointers
  * null
@@ -447,8 +445,10 @@ struct tcb *task_create(struct tcb *parent, struct task_ids *ids,
  * space, heap seems to get used in uClibc.
  *
  */
-int task_copy_args_to_user(char *user_stack, unsigned long user_ptr,
-			   struct args_struct *args, struct args_struct *env)
+int task_copy_args_to_user(char *user_stack,
+			   unsigned long user_ptr,
+			   struct args_struct *args,
+			   struct args_struct *env)
 {
 	char **argv_start, **envp_start;
 
@@ -503,6 +503,7 @@ int task_copy_args_to_user(char *user_stack, unsigned long user_ptr,
 			 | ((unsigned long)user_stack &
 			    PAGE_MASK));
 
+		/* Update location */
 		user_stack += strlen(env->argv[i]) + 1;
 	}
 
diff --git a/conts/posix/test0/container.c b/conts/posix/test0/container.c
index 68a9b8a..e7be904 100644
--- a/conts/posix/test0/container.c
+++ b/conts/posix/test0/container.c
@@ -15,15 +15,12 @@ int main(int argc, char *argv[]);
 int __container_init(int argc, char **argv)
 {
 	void *envp = &argv[argc + 1];
-	char *pagerval;
 
 	if ((char *)envp == *argv)
 		envp = &argv[argc];
 
 	__libposix_init(envp);
 
-	pagerval = getenv("pagerid");
-
 	/* Generic L4 thread initialisation */
 	__l4_init();
 
diff --git a/conts/posix/test0/include/atoi.h b/conts/posix/test0/include/atoi.h
new file mode 100644
index 0000000..7684261
--- /dev/null
+++ b/conts/posix/test0/include/atoi.h
@@ -0,0 +1,26 @@
+#ifndef __ATOI_H__
+#define __ATOI_H__
+
+static inline int power(int exp, int mul)
+{
+	int total = 1;
+
+	while (exp > 0) {
+		total *= mul;
+		exp--;
+	}
+	return total;
+}
+
+static inline int ascii_to_int(char *str)
+{
+	int size = strlen(str);
+	int iter = size - 1;
+	int num = 0;
+
+	for (int i = 0; i < size; i++)
+		num += ((int)str[iter - i] - 48) * power(i, 10);
+	return num;
+}
+
+#endif
diff --git a/conts/posix/test0/main.c b/conts/posix/test0/main.c
index fe6d104..b34ed8c 100644
--- a/conts/posix/test0/main.c
+++ b/conts/posix/test0/main.c
@@ -13,6 +13,8 @@
 #include <tests.h>
 #include <unistd.h>
 #include <sys/types.h>
+#include <atoi.h>
+#include <stdlib.h>
 
 void wait_pager(l4id_t partner)
 {
@@ -24,6 +26,7 @@ void wait_pager(l4id_t partner)
 }
 
 pid_t parent_of_all;
+pid_t pagerid;
 
 int main(int argc, char *argv[])
 {
@@ -32,6 +35,8 @@ int main(int argc, char *argv[])
 
 	parent_of_all = getpid();
 
+	pagerid = ascii_to_int(getenv("pagerid"));
+
 	wait_pager(0);
 
 	printf("\n%s: Running POSIX API tests.\n", __TASKNAME__);
diff --git a/conts/posix/test0/src/exectest.c b/conts/posix/test0/src/exectest.c
index 36582b7..38ede37 100644
--- a/conts/posix/test0/src/exectest.c
+++ b/conts/posix/test0/src/exectest.c
@@ -10,6 +10,7 @@
 #include <string.h>
 #include <errno.h>
 #include <alloca.h>
+#include <l4lib/ipcdefs.h>
 
 #define PAGE_SIZE	0x1000
 
@@ -22,10 +23,11 @@ int exectest(pid_t parent_of_all)
 	void *exec_start = (void *)_start_test_exec;
 	unsigned long size = _end_test_exec - _start_test_exec;
 	char filename[128];
-	char env_string[30];
+	char env_string1[30];
+	char env_string2[30];
 	int left, cnt;
 	char *argv[5];
-	char *envp[2];
+	char *envp[3];
 
 	memset(filename, 0, 128);
 	sprintf(filename, "/home/bahadir/execfile%d", getpid());
@@ -90,10 +92,14 @@ int exectest(pid_t parent_of_all)
 	argv[3] = "FOURTH ARG";
 	argv[4] = 0;
 
-	memset(env_string, 0, 30);
-	sprintf(env_string, "parent_of_all=%d", parent_of_all);
-	envp[0] = env_string;
-	envp[1] = 0; /* This is important as the array needs to end with a null */
+	memset(env_string1, 0, 30);
+	memset(env_string2, 0, 30);
+	sprintf(env_string1, "parent_of_all=%d", parent_of_all);
+	sprintf(env_string2, "pagerid=%d", pagerid);
+
+	envp[0] = env_string1;
+	envp[1] = env_string2;
+	envp[2] = 0; /* This is important as the array needs to end with a null */
 
 	/* Execute the file */
 	err = execve(filename, argv, envp);
diff --git a/conts/posix/test0/src/ipctest.c b/conts/posix/test0/src/ipctest.c
index 150b016..7c0e988 100644
--- a/conts/posix/test0/src/ipctest.c
+++ b/conts/posix/test0/src/ipctest.c
@@ -25,7 +25,7 @@ void ipc_full_test(void)
 	}
 
 	/* Call the pager */
-	if ((ret = l4_sendrecv_full(PAGER_TID, PAGER_TID,
+	if ((ret = l4_sendrecv_full(pagerid, pagerid,
 				    L4_IPC_TAG_SYNC_FULL)) < 0) {
 		printf("%s: Failed with %d\n", __FUNCTION__, ret);
 		BUG();
diff --git a/conts/test/SConstruct b/conts/test/SConstruct
deleted file mode 100644
index 23e059c..0000000
--- a/conts/test/SConstruct
+++ /dev/null
@@ -1,55 +0,0 @@
-# -*- mode: python; coding: utf-8; -*-
-#
-#  Codezero -- Virtualization microkernel for embedded systems.
-#
-#  Copyright © 2009  B Labs Ltd
-#
-import os, shelve, sys
-from os.path import *
-
-PROJRELROOT = '../..'
-
-sys.path.append(PROJRELROOT)
-
-from config.projpaths import *
-from config.configuration import *
-
-
-config = configuration_retrieve()
-
-arch = config.arch
-
-LIBL4_RELDIR = 'conts/libl4'
-KERNEL_INCLUDE = join(PROJROOT, 'include')
-LIBL4_DIR = join(PROJROOT, LIBL4_RELDIR)
-LIBL4_INCLUDE = join(LIBL4_DIR, 'include')
-LIBL4_LIBPATH = join(BUILDDIR, LIBL4_RELDIR)
-
-# Locally important paths are here
-LIBC_RELDIR = 'conts/libc'
-LIBC_DIR = join(PROJROOT, LIBC_RELDIR)
-LIBC_LIBPATH = join(BUILDDIR, LIBC_RELDIR)
-LIBC_INCLUDE = [join(LIBC_DIR, 'include'), \
-                join(LIBC_DIR, 'include/arch' + '/' + arch)]
-
-
-env = Environment(CC = 'arm-none-linux-gnueabi-gcc',
-		  # We don't use -nostdinc because sometimes we need standard headers,
-		  # such as stdarg.h e.g. for variable args, as in printk().
-		  CCFLAGS = ['-g', '-mcpu=arm926ej-s', '-nostdlib', '-ffreestanding', \
-			     '-std=gnu99', '-Wall', '-Werror'], \
-		  LINKFLAGS = ['-nostdlib', '-T' + "include/linker.lds", "-u_start"],\
-		  ASFLAGS = ['-D__ASSEMBLY__'], \
-		  PROGSUFFIX = '.elf',			# The suffix to use for final executable\
-		  ENV = {'PATH' : os.environ['PATH']},	# Inherit shell path\
-		  LIBS = ['gcc', 'libl4', 'c-userspace', 'gcc', 'c-userspace'],	# libgcc.a - This is required for division routines.
-		  CPPPATH = ["#include", KERNEL_INCLUDE, LIBL4_INCLUDE, LIBC_INCLUDE],
-          LIBPATH = [LIBL4_LIBPATH, LIBC_LIBPATH],
-		  CPPFLAGS = '-include l4/config.h -include l4/macros.h -include l4/types.h')
-
-src = Glob('*.[cS]')
-src += Glob('src/*.[cS]')
-
-objs = env.Object(src)
-prog = env.Program('main.elf', objs)
-Depends(prog, 'include/linker.lds')
diff --git a/conts/test/container.c b/conts/test/container.c
deleted file mode 100644
index 7bcbf9e..0000000
--- a/conts/test/container.c
+++ /dev/null
@@ -1,21 +0,0 @@
-/*
- * Container entry point for pager
- *
- * Copyright (C) 2007-2009 B Labs Ltd.
- */
-
-#include <l4lib/init.h>
-#include <l4lib/utcb.h>
-
-
-void main(void);
-
-void __container_init(void)
-{
-	/* Generic L4 initialisation */
-	__l4_init();
-
-	/* Entry to main */
-	main();
-}
-
diff --git a/conts/test/hello.c b/conts/test/hello.c
deleted file mode 100644
index 054adc9..0000000
--- a/conts/test/hello.c
+++ /dev/null
@@ -1,13 +0,0 @@
-/*
- * Autogenerated hello world print function
- */
-
-#include <stdio.h>
-#include <container.h>
-
-int print_hello_world(void)
-{
-	printf("%s: Hello world from %s!\n", __CONTAINER__, __CONTAINER_NAME__);
-	return 0;
-}
-
diff --git a/conts/test/include/linker.lds b/conts/test/include/linker.lds
deleted file mode 100644
index abb38b5..0000000
--- a/conts/test/include/linker.lds
+++ /dev/null
@@ -1,34 +0,0 @@
-/*
- * Example working linker script for this container.
- *
- * Copyright (C) 2009 B Labs Ltd.
- */
-
-vma_start = 0x0;
-lma_start = 0x1000000;
-offset = vma_start - lma_start;
-
-ENTRY(_start)
-
-SECTIONS
-{
-	. = vma_start;
-	.text : AT (ADDR(.text) - offset) {
-	/*
-	 * NOTE:
-	 * crt0.S must be in .text.head. This is necessary because
-	 * the kernel does not know any _start address, it assumes
-	 * the start address of pager region as the start address.
-	 */
-		*(.text.head) *(.text)
-	}
-	.rodata : AT (ADDR(.rodata) - offset) { *(.rodata) }
-	.rodata1 : AT (ADDR(.rodata1) - offset) { *(.rodata1) }
-
-	. = ALIGN(4K);
-	.data : AT (ADDR(.data) - offset) { *(.data) }
-	.bss : AT (ADDR(.bss) - offset) { *(.bss) }
-	. += 0x1000;
-	. = ALIGN(8);
-	__stack = .;
-}
diff --git a/conts/test/include/test.h b/conts/test/include/test.h
deleted file mode 100644
index e69de29..0000000
diff --git a/conts/test/main.c b/conts/test/main.c
deleted file mode 100644
index d2d8ed6..0000000
--- a/conts/test/main.c
+++ /dev/null
@@ -1,16 +0,0 @@
-/*
- * Main function for this container
- */
-#include <l4lib/arch/syslib.h>
-#include <l4lib/arch/syscalls.h>
-#include <l4/api/space.h>
-
-extern int print_hello_world(void);
-
-int main(void)
-{
-	print_hello_world();
-
-	return 0;
-}
-
diff --git a/conts/test/src/test.c b/conts/test/src/test.c
deleted file mode 100644
index e69de29..0000000
diff --git a/include/l4/api/kip.h b/include/l4/api/kip.h
index 52e3b85..9ff8708 100644
--- a/include/l4/api/kip.h
+++ b/include/l4/api/kip.h
@@ -71,14 +71,6 @@ struct kip {
 	struct kernel_descriptor kdesc;
 } __attribute__((__packed__));
 
-/*
- * Task id defs for priviledged server tasks. These are dynamically allocated
- * from the id pool, but still the pool should allocate them in this order.
- */
-#define PAGER_TID			0
-#define VFS_TID				1
-#define BLKDEV_TID			2
-
 #define __PAGERNAME__			"mm0"
 #define __VFSNAME__			"fs0"
 #define __BLKDEVNAME__			"blkdev0"