Subversion
使い方 - svn status, svn diff

ワーキングコピーで修正

 % cd hello
 % vi foo.c

 % svn status
 M	foo.c
 % svn diff
 Index: foo.c
 ===================================================================
 --- foo.c     (revision 4)
 +++ foo.c     (working copy)
 ....