After seeing Git/Getting started, Git/Tutorial and Git/Code review/guide I see no point in keeping this page. Proposal: keep removing sections making sure that any useful content goes to the appropriate pages and then leave a redirect to Git/Getting started.
Topic on Talk:Gerrit/Advanced usage
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Remember that experienced users sometimes need a reference too, e.g. to look up the exact syntax for git push gerrit HEAD:refs/for/master
. Having to dig through multiple random beginner-oriented pages to find this information would not be productive.