VMS Help DEASSIGN, Qualifiers, /GROUP  *Conan The Librarian (sorry for the slow response - running on an old VAX)

    Requires GRPNAM (group logical name) or SYSPRV privilege to
    delete entries from the group logical name table.

    Indicates that the specified logical name is in the group
    logical name table. The /GROUP qualifier is synonymous with the
    /TABLE=LNM$GROUP qualifier.