how is alias formed added by zbigniew s. on Sun Dec 11 19:58:55 2011

[alias]
        changes = diff --name-status -r
        olog = log --graph --oneline --decorate
        glog = log --graph --decorate
        st = status
        ci = commit
        cia = commit -a
        co = checkout
        head = log -1 HEAD
        manifest = ls-tree -r --name-only HEAD