?section
The help command ? displays the section with the name section on the
screen. For example ?Help will display this section on the screen.
You should not type in the single quotes. They are only used in help
sections to delimit text that you should enter into GAP or that GAP
prints in response. When the whole section has been displayed the normal
GAP prompt gap> is shown and normal GAP interaction resumes.
When there are several manual sections that match section a list of topics as described under Help Index is displayed.
Section Reading Sections tells you what actions you can perform
while you are reading a section. You tell GAP to display this
section by entering ?Reading Sections, without quotes.
Section Format of Sections describes the format of sections and the
conventions used,
Browsing through the Sections lists the commands you use to flip
through sections, Redisplaying a Section describes how to read a
section again, Abbreviating Section Names tells you how to avoid typing
the long section names, and Help Index describes the index command.
GAP 4 manual