This text is a work in progress—highly subject to change—and may not accurately describe any released version of the Apache™ Subversion® software. Bookmarking or otherwise referring others to this page is probably not such a smart idea. Please visit http://www.svnbook.com/ for stable versions of this book.

帮助!

本书的目标是成为 Subversion 新老用户的助手与信息来源, 不过, Subversion 的命令行工具本身就带有丰富的帮助文档, 如此一来, 读者就 用不着每次都从书架上拿这本书. 命令 svn help 是 打开内置文档的入口:

$ svn help
usage: svn <subcommand> [options] [args]
Subversion command-line client, version 1.8.13.
Type 'svn help <subcommand>' for help on a specific subcommand.
Type 'svn --version' to see the program version and RA modules
  or 'svn --version --quiet' to see just the version number.

Most subcommands take file and/or directory arguments, recursing
on the directories.  If no arguments are supplied to such a
command, it recurses on the current directory (inclusive) by default.

Available subcommands:
   add
   blame (praise, annotate, ann)
   cat
…

上面的输出内容已经说了, 读者可以用 svn help SUBCOMMAND 查看特定子命令的帮助信息, Subversion 会输出这个子命令完整的使用方法, 包括它的语法, 选项和功能:

$ svn help help
help (?, h): Describe the usage of this program or its subcommands.
usage: help [SUBCOMMAND...]

Global options:
  --username ARG           : specify a username ARG
  --password ARG           : specify a password ARG
…

许多基于 Unix 的 Subversion 发行版都包含了手册页, 可以通过命令 man 打开, 但是手册页往往只是指出了帮助信息的真正 位置, 例如项目网址. 另外, 有些公司会通过论坛和有偿咨询提供 Subversion 的帮助与支持. 当然, 还有资源最丰富的因特网. 获取 Subversion 的帮助从 来就不是一件难事.