1.2 About Starting and Leaving GAP

If the program is correctly installed then you start GAP by simply typing gap at the prompt of your operating system followed by the return or the newline key.

$ gap

GAP answers your request with its beautiful banner (which you can surpress with the command line option -b) and then it shows its own prompt gap asking you for further input.

gap>

The usual way to end a GAP session is to type quit; at the gap prompt. Do not omit the semicolon!

    gap> quit;
    $ 

On some systems you may as well type ctl-D to yield the same effect. In any situation GAP is ended by typing ctl-C twice within a second.

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GAP 3.4.4
April 1997