[root@typhoeus82 git_test]# ls -al ~ |grep git

-rw-r--r--  1 root root     60746 Oct 20 10:45 .git-completion.bash

[root@typhoeus82 git_test]# more ~/.bashrc  |grep git

source ~/.git-completion.bash

[root@typhoeus82 git_test]# git

add                 clean               get-tar-commit-id   pull                shortlog

am                  clone               grep                push                show

annotate            commit              help                rebase              show-branch

apply               config              imap-send           reflog              stage

archive             describe            init                relink              stash

bisect              diff                instaweb            remote              status

blame               difftool            log                 repack              submodule

branch              fetch               merge               replace             tag

bundle              filter-branch       mergetool           request-pull        whatchanged

checkout            format-patch        mv                  reset

cherry              fsck                name-rev            revert

cherry-pick         gc                  notes               rm