1    /ALL

    Displays the locations and contents of the four process stacks
    for the SDA current process and the system stack.

2    /EXECUTIVE

    Shows the executive stack for the SDA current process.

3    /INTERRUPT

    Shows the system stack and is retained for compatibility with
    OpenVMS VAX. The interrupt stack does not exist on OpenVMS Alpha
    and OpenVMS Integrity servers.

4    /KERNEL

    Shows the kernel stack for the SDA current process.

5    /LONG

    Displays longword width stacks. If you do not specify this
    qualifier, SDA by default displays quadword width stacks.

6    /PHYSICAL

    Treats the start and end addresses in the given range as physical
    addresses. This qualifier is only relevant when a range is
    specified. By default, SDA treats range addresses as virtual
    addresses.

7    /QUAD

    Displays quadword width stacks. This is the default.

8    /SUMMARY

    Displays a list of all known stack ranges and the current stack
    pointer for each range.

9    /SUPERVISOR

    Shows the supervisor stack for the SDA current process.

10    /SYSTEM

    Shows the system stack.

11    /USER

    Shows the user stack for the SDA current process.