diff -r a1c8302e6b27 Doc/library/os.rst
--- a/Doc/library/os.rst	Sun Jul 01 12:24:20 2012 +0200
+++ b/Doc/library/os.rst	Sun Jul 01 15:54:02 2012 +0300
@@ -2211,7 +2211,7 @@
               os.rmdir(os.path.join(root, name))
 
 
-.. function:: fwalk(top='.', topdown=True, onerror=None, followlinks=False, *, dir_fd=None)
+.. function:: fwalk(top='.', topdown=True, onerror=None, follow_symlinks=False, *, dir_fd=None)
 
    .. index::
       single: directory; walking
diff -r a1c8302e6b27 Lib/os.py
--- a/Lib/os.py	Sun Jul 01 12:24:20 2012 +0200
+++ b/Lib/os.py	Sun Jul 01 15:54:02 2012 +0300
@@ -424,7 +424,7 @@
 
 if {open, stat} <= supports_dir_fd and {listdir, stat} <= supports_fd:
 
-    def fwalk(top=".", topdown=True, onerror=None, followlinks=False, *, dir_fd=None):
+    def fwalk(top=".", topdown=True, onerror=None, follow_symlinks=False, *, dir_fd=None):
         """Directory tree generator.
 
         This behaves exactly like walk(), except that it yields a 4-tuple
@@ -435,7 +435,7 @@
         and `dirfd` is a file descriptor referring to the directory `dirpath`.
 
         The advantage of fwalk() over walk() is that it's safe against symlink
-        races (when followlinks is False).
+        races (when follow_symlinks is False).
 
         If dir_fd is not None, it should be a file descriptor open to a directory,
           and top should be relative; top will then be relative to that directory.
@@ -462,13 +462,13 @@
         orig_st = stat(top, follow_symlinks=False, dir_fd=dir_fd)
         topfd = open(top, O_RDONLY, dir_fd=dir_fd)
         try:
-            if (followlinks or (st.S_ISDIR(orig_st.st_mode) and
-                                path.samestat(orig_st, stat(topfd)))):
-                yield from _fwalk(topfd, top, topdown, onerror, followlinks)
+            if (follow_symlinks or (st.S_ISDIR(orig_st.st_mode) and
+                                    path.samestat(orig_st, stat(topfd)))):
+                yield from _fwalk(topfd, top, topdown, onerror, follow_symlinks)
         finally:
             close(topfd)
 
-    def _fwalk(topfd, toppath, topdown, onerror, followlinks):
+    def _fwalk(topfd, toppath, topdown, onerror, follow_symlinks):
         # Note: This uses O(depth of the directory tree) file descriptors: if
         # necessary, it can be adapted to only require O(1) FDs, see issue
         # #13734.
@@ -499,16 +499,16 @@
 
         for name in dirs:
             try:
-                orig_st = stat(name, dir_fd=topfd, follow_symlinks=followlinks)
+                orig_st = stat(name, dir_fd=topfd, follow_symlinks=follow_symlinks)
                 dirfd = open(name, O_RDONLY, dir_fd=topfd)
             except error as err:
                 if onerror is not None:
                     onerror(err)
                 return
             try:
-                if followlinks or path.samestat(orig_st, stat(dirfd)):
+                if follow_symlinks or path.samestat(orig_st, stat(dirfd)):
                     dirpath = path.join(toppath, name)
-                    yield from _fwalk(dirfd, dirpath, topdown, onerror, followlinks)
+                    yield from _fwalk(dirfd, dirpath, topdown, onerror, follow_symlinks)
             finally:
                 close(dirfd)
 
diff -r a1c8302e6b27 Lib/test/test_os.py
--- a/Lib/test/test_os.py	Sun Jul 01 12:24:20 2012 +0200
+++ b/Lib/test/test_os.py	Sun Jul 01 15:54:02 2012 +0300
@@ -745,10 +745,11 @@
         """
         compare with walk() results.
         """
-        for topdown, followlinks in itertools.product((True, False), repeat=2):
-            d = {'topdown': topdown, 'followlinks': followlinks}
-            walk_kwargs.update(d)
-            fwalk_kwargs.update(d)
+        walk_kwargs = walk_kwargs.copy()
+        fwalk_kwargs = fwalk_kwargs.copy()
+        for topdown, follow_symlinks in itertools.product((True, False), repeat=2):
+            walk_kwargs.update(topdown=topdown, followlinks=follow_symlinks)
+            fwalk_kwargs.update(topdown=topdown, follow_symlinks=follow_symlinks)
 
             expected = {}
             for root, dirs, files in os.walk(**walk_kwargs):
@@ -774,8 +775,8 @@
 
     def test_yields_correct_dir_fd(self):
         # check returned file descriptors
-        for topdown, followlinks in itertools.product((True, False), repeat=2):
-            args = support.TESTFN, topdown, None, followlinks
+        for topdown, follow_symlinks in itertools.product((True, False), repeat=2):
+            args = support.TESTFN, topdown, None, follow_symlinks
             for root, dirs, files, rootfd in os.fwalk(*args):
                 # check that the FD is valid
                 os.fstat(rootfd)