vcs
Edit버전관리 시스템의 종류 :
http://en.wikipedia.org/wiki/List_of_revision_control_software
http://www.infoq.com/articles/agile-version-control
시각화 :http://code.google.com/p/gource/\[http://code.google.com/p/gource/]
DVCS
http://wiki.javajigi.net/display/IDE/Distributed+Version+Control
http://importantshock.wordpress.com/2008/08/07/git-vs-mercurial/ : GIT은 맥가이버, Mercurial은 제임스 본드
Subversion re-education :