After reviewing bugs 3505 & 3668, following changes are required in HOD documentation.
1. HOD user guide :
Term HDFS should be used instead of DFS under following sections:
3.9. Capturing HOD exit codes in Torque
4.3. hod Fails With an error code and error message
2. HOD admin guide:
'Torque' should be a hyperlink in Pre-requisites section of hod admin guide.