手册页还包含许多图形界面，比如xman（来自XFree86 Project）和yelp（Gnome 2.0帮助浏览器）。

There are also some graphical interfaces to man pages, such as xman (from the XFree86 Project) and yelp (the Gnome 2.0 help browser).

youdao

游戏(注意，许多游戏现在都是图形化的，并且在手册页系统之外提供了图形化帮助)。

Games (note that many games are now graphical and have graphical help outside the man page system).

youdao

service命令没有手册页，但是您可以在运行这个命令时使用——help选项，您就可以得到有关它的操作的一些帮助信息。

The service command doesn't have a manual page, but if you run it with the — help option, you can get some help with its operation.

youdao

service命令没有手册页，但是您可以在运行这个命令时使用——help选项，您就可以得到有关它的操作的一些帮助信息。

The service command doesn't have a manual page, but if you run it with the — help option, you can get some help with its operation.

youdao