ps vs free again

[Shao Zhang <shao@cia.com.au>]

Hi,
    I saw earlier disscussions about ps and free.
    So what command can I use to actually display the total memory that
is occupied by my system?

    Thanks.

Shao

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Shao Zhang - Running Debian 2.1  ___ _               _____
Department of Communications    / __| |_  __ _ ___  |_  / |_  __ _ _ _  __ _
University of New South Wales   \__ \ ' \/ _` / _ \  / /| ' \/ _` | ' \/ _` |
Sydney, Australia               |___/_||_\__,_\___/ /___|_||_\__,_|_||_\__, |
Email: shao@cia.edu.au                                                  |___/
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