USHARE directive
The USHARE directive is recognized only if is set for the Standard policy. USHARE directives are ignored if is not set. USHARE must be on the first line if NEW_STREAM is not added.
If NEW_STREAM is added, USHARE must be in second line. The presence of USHARE on the first line or second line of the backup selections list determines the backup type as USHARE backup.