Common SGE environment variables

Common SGE Environment Variables

Variable	Description
$SGE_O_WORKDIR	The path of the job submission directory.
$SGE_O_HOST	Contains the hostname of the node used for job submission.
$SGE_O_HOME	The path to the home directory of the job owner on the host from which the job was submitted.
$SGE_O_PATH	The content of the PATH environment variable in the context of the job submission command.
$SGE_O_WORKDIR	The working directory of the job submission command.
$SGE_TASK_ID	The task identifier in the array job represented by this task.
$PE_HOSTFILE	The path of a file that contains the definition (list) of the nodes that is assigned to a parallel job by the grid engine system
$PE	The parallel environment under which the job runs. This variable is for parallel jobs only.
$JOB_NAME	The job name, which is built from the file name provided with the qsub command, a period, and the digits of the job ID.
$NHOSTS	The number of hosts in use by a parallel job.
$NSLOTS	The number of queue slots (cores) in use by a parallel job.
$SHELL	The user’s login shell as taken from the passwd file.
$JOB_ID	The job ID for the submitted job.

A full list of environment variables for SGE can be found by visiting the SGE page on environment variables.