- Add some information about sh(1) changes.
- Add some information about sh(1) changes.

Requested by:	jilles (content)
Reviewed by:	gjb (doc)
Approved by:	jilles

jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase