To access online NCL help, type help at the ncl> prompt. Type the name of the command or topic for which you need help. When selecting help topics, you may abbreviate help topic names, provided that the abbreviation uniquely identifies the help topic. Type a question mark (?) to obtain a list of available topics. For OpenVMS, press Return at the "Topic:" prompt to go up a level in the hierarchy, and to exit help. You can also exit NCL help by pressing Ctrl/Z in response to any prompt. For DEC OSF/1, press Ctrl-D at the "Topic" prompt to go up a level in the hierarchy, and to exit help.