Getting Started

This section describes how to begin a GBTIDL session and what to do if you need help understanding a command.

Starting GBTIDL

To start GBTIDL simply type the following command at the unix prompt from any NRAO computer running Linux in Green Bank or Charlottesville.

gbtidl

Getting Help with Commands

In addition to the GBTIDL User Reference, you can get help within GBTIDL via the usage command. For example, to get a list of the optional arguments of the show command:

usage, ’show’

GBTIDL -> usage, ‘show’

Usage: show[, dc ] [, color=color ] [, /defaultx ] [, /smallheader ] [, /noheader ]

To get a complete description of what the command does, what keywords can be used, examples, and the path for the source code use

usage, 'show', /verbose

To see the source code behind the command use

usage, 'show', /source