若你使用 Git 時需要獲取幫助，有三種等價的方法可以找到 Git 命令的綜合手冊（manpage）：

$ git help < verb >
$ git < verb > --help
$ man git-< verb >

想獲得 git config 命令的手冊，執(zhí)行

$ git help config

這些命令很棒，因為你隨時隨地可以使用而無需聯(lián)網(wǎng)。

如果你不需要全面的手冊，只需要可用選項的快速參考，那么可以用 -h 選項獲得更簡明的 “help” 輸出：

$ git add -h
usage: git add [< options >] [--] < pathspec >...

    -n, --dry-run         dry run
    -v, --verbose         be verbose

    -i, --interactive     interactive picking
    -p, --patch           select hunks interactively
    -e, --edit            edit current diff and apply
    -f, --force           allow adding otherwise ignored files
    -u, --update          update tracked files
    --renormalize         renormalize EOL of tracked files (implies -u)
    -N, --intent-to-add   record only the fact that the path will be added later
    -A, --all             add changes from all tracked and untracked files
    --ignore-removal      ignore paths removed in the working tree (same as --no-all)
    --refresh             don't add, only refresh the index
    --ignore-errors       just skip files which cannot be added because of errors
    --ignore-missing      check if - even missing - files are ignored in dry run
    --chmod (+|-)x        override the executable bit of the listed files
    --pathspec-from-file < file >
                          read pathspec from file
    --pathspec-file-nul   with --pathspec-from-file, pathspec elements are separated with NUL chara