Commands

In the following the DIRA commands available for this release are fully explained. The graphic commands, that require 'ad hoc' details are the argument of the next chapter.

The user interface of the commands is based on screen windows. Typically the user will have three windows:

The upper window is used for the LOGO and short error messages.

The window in the center of the screen is a terminal area with scroll capabilities. This is for the help messages, the lists of the catalogues in the database or of the variables in a catalogue, the error messages and the notes about program execution.

The lower window is the input window. This window contains the fields that the user has to fill. One can move the cursor from a field to another by up and down arrows or typing the carriage return key. The user can enter CTRL-Z key to end the input phase and to start with the task execution when he has filled all the required fields.

Working with the DIRA2 commands the user must take in account these rules:

The PDB_MANAG, DB_INFO and some utilities are a bit different in the presentation style and the user must enter commands or use control keys. The required commands or control keys are explained in this chapter as well as in the on-line help.

Many commands allows to create new fields that are not present in the original catalogues. These new fields are: pointers to record position, distances, and so on. In the output catalogues these fields are written in a fixed order after the fields selected from catalogues.



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