diff --git a/manticore/core/cpu/abstractcpu.py b/manticore/core/cpu/abstractcpu.py
index e0c7e48..aaf2bf9 100644
--- a/manticore/core/cpu/abstractcpu.py
+++ b/manticore/core/cpu/abstractcpu.py
@@ -552,6 +552,21 @@ class Cpu(Eventful):
             result.append(Operators.CHR(self.read_int(where + i, 8)))
         return result
 
+    def write_string(self, where, string, max_length=None):
+        '''
+        Writes a string to memory, appending a NULL-terminator at the end.
+        :param int where: Address to write the string to
+        :param str string: The string to write to memory
+        :param int max_length:
+            The size in bytes to cap the string at, or None [default] for no
+            limit. This includes the NULL terminator.
+        '''
+        
+        if max_length is not None:
+            string = string[:max_length-1]
+        
+        self.write_bytes(where, string + '\x00')
+        
     def read_string(self, where, max_length=None):
         '''
         Read a NUL-terminated concrete buffer from memory.
diff --git a/manticore/platforms/linux.py b/manticore/platforms/linux.py
index bb062b4..f332d82 100644
--- a/manticore/platforms/linux.py
+++ b/manticore/platforms/linux.py
@@ -1029,6 +1029,34 @@ class Linux(Platform):
         except OSError as e:
             return e.errno
 
+    def sys_getcwd(self, buf, size):
+        '''
+        getcwd - Get the current working directory
+        :param int buf: Pointer to dest array
+        :param size: size in bytes of the array pointed to by the buf 
+        :return: buf (Success), or 0
+        '''
+        
+        try:
+            current_dir = os.getcwd()          
+            length = len(current_dir) + 1
+                      
+            if size > 0 and size < length:
+                logger.info("GETCWD: size is greater than 0, but is smaller than the length"  
+                            "of the path + 1. Returning ERANGE")
+                return -errno.ERANGE
+        
+            if not self.current.memory.access_ok(slice(buf, buf+length), 'w'):
+                logger.info("GETCWD: buf within invalid memory. Returning EFAULT")
+                return -errno.EFAULT
+                      
+            self.current.write_string(buf, current_dir)
+            logger.debug("getcwd(0x%08x, %u) -> <%s> (Size %d)", buf, size, current_dir, length)
+            return length
+        
+        except OSError as e:
+            return -e.errno
+
     def sys_lseek(self, fd, offset, whence):
         '''
         lseek - reposition read/write file offset