To control creation and deletion of logical devices one needs
 	PHY_IO privilege for the LD utility. To use continuous tracing
 	SYSLCK privilege is needed. The startup commandfile,
 	SYS$STARTUP:LD$STARTUP.COM will install the LD utility with
 	these privileges so that ordinary users can play around by
 	creating and removing disks.

 	Note that the users will be charged against BYTLM for each
 	unit they create. Also, the creation of a tracebuffer will
 	be charged against BYTLM, as well as creating of a watchpoint.

 	Connecting a shared disk which is already connected on another
 	cluster node without specifying a unit number needs CMKRNL
 	privilege. Due to possible security implications the LD
 	utility is not installed with this privilege.