what is the difference of
man. And what kind of help files can be exclusively browsed with
xman is a graphical tool from
x11-apps packages which allows you to browse into all manual pages installed in system using a simple GUI, based on sections (Category: is it a system call, files man, etc), lets you run searchs,
For example you can use Ctrl+s to open up a search window:
Then you can search for a man pages or run
apropos for specific word.
It's same as
man with a GUI.
Here is the directory of manual pages for system calls: