Cleanup dd options accordingly to the following policy:
1) put if, of, bs, conv in this order
2) for reading/writing from/to disk don't use sync
4) reading from tape - use sync
3) writing to tape - use osync
Noted by Don Yuniskis (auryn at gci-net.com) via install/13749. Thanks!
Reviewed by <martin>. Thank you!
mishka