Gitbook 的指令很單純，只有一個 gitbook，叫出指令說明的方法為 "gitbook -h" 或 "gitbook --help"，以下是關於指令 "gitbook" 的說明內容，相關的說明後續章節繼續
Usage: gitbook [options] [command]
Commands:
build [options] [source_dir] Build a gitbook from a directory
serve [options] [source_dir] Build then serve a gitbook from a directory
install [options] [source_dir] Install plugins for a book
pdf [options] [source_dir] Build a gitbook as a PDF
epub [options] [source_dir] Build a gitbook as a ePub book
mobi [options] [source_dir] Build a gitbook as a Mobi book
init [source_dir] Create files and folders based on contents of SUMMARY.md
publish [source_dir] Publish content to the associated gitbook.io book
git:remote [source_dir] [book_id] Adds a git remote to a book repository
Options:
-h, --help output usage information
-V, --version output the version number