Author: andre alefeld

## coshepherd

The cosheperd is needed to start the token manipulation executables if Grid Engine is run in an AFS environment.
The coshepherd is started by the shepherd process and belongs to the same PAG (process authentication group) as the shepeherd and the user's job.
To assure that the token remains valid as long as the job gets executed it is necessary to renew the job's token before it expires.

Please note:

The external executables that are manipulating the tokens are not part of Grid Engine.

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