Changes to Biowulf Interactive Jobs (Biowulf)

Effective immediately, the following changes have been made to
the way compute nodes are allocated to Interactive Jobs on the
NIH Biowulf cluster:

-- The compute node is dedicated to the user's job, regardless
   of whether or not a "node specification" is used (previously
   a shared node was allocated when a node specification wasn't
   specified).

-- The default allocation is a 2-core, 4 GB node.  Other nodes
   may be allocated using the appropriate node specification
   to the qsub command.

-- The maximum allowable number of interactive jobs is 2.

-- By default, the job will be terminated after 8 hours.
   You may extend this time to a maximum of 36 hours by using
   the "walltime" attribute to the qsub command.