Basics (updated 11-May-2018)
Please refer to the items under User Information in the U.S. ATLAS Center at SLAC page.
How to get up and running quick (This looks very old. Review and delete as appropriate.)
The "cmthome" directory contains the all-important "requirements" file, which defines the CMT environment you're in,
see it below in "Bonus material".
You may want to have an area with >500MB of storage space (the /afs home limit).
If you're in group "atlas" (check with "groups", otherwise mail young@slac and he'll do "ypgroup adduser -group atlas -user username"):
Otherwise you have to use /scratch areas on the machines...
Everytime you log in and want to use an ATLAS release:
Now you can run athena, for example:
You also are also ready to use the GRID easily, see instructions here.
Here are lots of handy tricks for getting things done (at SLAC) with ATLAS computing / analysis work.
Our old static page has some possibly still relevant but perhaps out of date info.
And there were many good talks at the 2009 WT2 users' forum workshop.
The default "requirements" file: