Gathering volatile information

Hi all,
I am currently working on some of our incident response procedures and have 
been looking at gathering volatile data before taking a machine off line or 
determining whether or not to take a machine offline. On Windows you can run 
the Windows Forensic Toolchest which produces detailed output and can be 
configured to control how much forensic damage you are happy to sustain 
before taking a system offline for imaging.

In the Unix environment there seem to be various lists of bits and pieces 
but no really definitive list of commands related to gathering volatile 
information that you should and shouldn't run and what types of things they 
are likely to interfere with. Am I missing something here, does just such a 
list exist and I'm just not looking in the right place, or is it about time 
somone set about righting one? I'm not talking about a religious argument on 
the merits of what stage a machine should be taken offline at but more what 
the volatile data gathering options are that are available to you if as in 
incident handler you need them.

Cheers,

Bob



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