This link below is broken in the man page. (I'm on Debian Jessie).
GIT(1) Git Manual
git - the stupid content tracker
git [--version] [--help] [-C <path>] [-c <name>=<value>]
[--exec-path[=<path>]] [--html-path] [--man-path] [--info-path]
[-p|--paginate|--no-pager] [--no-replace-objects] [--bare]
[--git-dir=<path>] [--work-tree=<path>] [--namespace=<name>]
Git is a fast, scalable, distributed revision control system with an
unusually rich command set that provides both high-level
full access to internals.
See gittutorial(7) to get started, then see Everyday Git for a
useful minimum set of commands. The Git User’s Manual has a more
After you mastered the basic concepts, you can come back to this
to learn what commands Git offers. You can learn more about
Git commands with "git help command". gitcli(7) manual page
an overview of the command-line command syntax.
Formatted and hyperlinked version of the latest Git
be viewed at http://git-htmldocs.googlecode.com/git/git.html.