To learn more about each command or to read a man page, use the man utility: For example, type
man ls
at the shell prompt to read the help about the ls command.
See also:
man [section] command
where:
The man page have a category.
man(1) means that man is a “general command” but man.conf(5) means that it's a documentation over “file format”
man -k searchTerm
Example: All console documentation
man -k console*
To get a plain text version of a man page, without backspaces and underscores, try
man ls | col -b > ls.txt