Use the HELP command to start R:BASE online Help.
About the HELP Command
To start online Help, press [F1]. You can also start online Help at the R> prompt by entering "HELP," or "HELP" followed by a command name.
Press [Shift] + [F1] to display context-sensitive online Help.
The help file contains all the R:BASE help information and must be located on the default directory and drive, or on the current operating system path. The name of the help file depends on the operating system in which you are running R:BASE, but all help files have the .HLP extension.