List commands :?
The :? command displays the following summary of all Hugs commands:
Prelude> :?
LIST OF COMMANDS: Any command may be abbreviated to :c where
c is the first character in the full name.
:load load modules from specified files
:load clear all files except prelude
:also read additional module files
:reload repeat last load command
:project use project file
:edit edit file
:edit edit last file
:module set module for evaluating expressions
evaluate expression
:type print type of expression
:? display this list of commands
:set set options
:set help on options
:names [pat] list names currently in scope
:info describe named objects
:find edit module containing definition of name
:!command shell escape
:cd dir change directory
:gc force garbage collection
:quit exit Hugs interpreter
Prelude>