diff --git a/Makefile.build b/Makefile.build
index 06c26277e141eb0fe57b90c142ff71a6405e16b0..79cfbd76c0e95a56f8fc986df19340606b0be0bd 100644
--- a/Makefile.build
+++ b/Makefile.build
@@ -74,6 +74,7 @@ userprog_SRC += userprog/file_descriptors_map.c
 userprog_SRC += userprog/syscall_read.c
 userprog_SRC += userprog/syscall_filesize.c
 userprog_SRC += userprog/syscall_tell.c
+userprog_SRC += userprog/syscall_seek.c
 
 # No virtual memory code yet.
 #vm_SRC = vm/file.c			# Some file.
diff --git a/userprog/syscall.c b/userprog/syscall.c
index b38eccabd22439f474267dc7ae12b07bcf7e4bd5..c429f13727aa3c9f0b9a57a7c0de1b9b4d4d821d 100644
--- a/userprog/syscall.c
+++ b/userprog/syscall.c
@@ -88,6 +88,9 @@ syscall_handler (struct intr_frame *f UNUSED)
   case SYSCALL_TELL:
     syscall_tell(f);
     break;
+  case SYSCALL_SEEK:
+	  syscall_seek(f);
+	  break;
   default:
     printf ("WARNING: Invalid Syscall (%d)\n", syscall_number);
     thread_exit ();
diff --git a/userprog/syscall_seek.c b/userprog/syscall_seek.c
new file mode 100644
index 0000000000000000000000000000000000000000..a623496bb1edb00c58b1cdc7001968b19239443c
--- /dev/null
+++ b/userprog/syscall_seek.c
@@ -0,0 +1,22 @@
+/*
+* Changes the next byte to be read or written in open file fd to position, 
+* Expressed in bytes from the beginning of the file. (Thus, a position of 0
+* Is the file�s start.)
+*
+* Authored by Alex Stratford
+*/
+
+#include "system_calls.h"
+#include <stddef.h> // Dependency for NULL
+#include "threads/interrupt.h" // Dependency for intr_frame struct
+#include "filesys/file.h" // Dependency for file struct and file_seek function
+
+void syscall_seek(struct intr_frame *f) {
+	// pop off first int argument from interrupt frame
+	int* file_descriptor = (void*)*((int*)f->esp + 1);
+	// pop off second int argument from interrupt frame
+	int* file_pos = (void*)(*(int*)f->esp + 2);
+	struct file *file = get_associated_file_pointer(file_descriptor);
+	// Seek through the file
+	file_seek(file, file_pos);
+}
\ No newline at end of file
diff --git a/userprog/system_calls.h b/userprog/system_calls.h
index ebeed4c37da16c0d0dfdec3ce5df30f25719bc5e..4f955ad8fbac861dd0bb64d5d7d8af3efec61382 100644
--- a/userprog/system_calls.h
+++ b/userprog/system_calls.h
@@ -75,6 +75,13 @@ void syscall_remove(struct intr_frame *f);
  */
 void syscall_tell(struct intr_frame *f);
 
+/*
+* Changes the next byte to be read or written in open file fd to position,
+* Expressed in bytes from the beginning of the file. (Thus, a position of 0
+* Is the file�s start.)
+*/
+void syscall_seek(struct intr_frame *f);
+
 /*
  * special additional stuff for handling file descriptors because they're annoying
  */