parameter-name

    Specifies the name of a system parameter. If you enter a period
    (.),  it is interpreted as a request for the system parameter
    specified in the last SET or SHOW command. See the description of
    the SHOW parameter-name command for an example of the use of the
    period in place of a parameter name.

 value

    Usually specifies an integer or the keyword DEFAULT. Integer
    values must be within the defined minimum and maximum values
    for the parameter unless the SYSGEN command DISABLE CHECKS was
    specified.

    The keyword DEFAULT specifies the default value for the
    parameter. You can display the maximum, minimum, and default
    values for any parameter with the SYSGEN command SHOW parameter-
    name.

    You can specify values for certain SYSGEN parameters in
    hexadecimal or octal radixes and for others as an ASCII string.
    To specify a value in octal or hexadecimal, precede the value
    with %O or %X, respectively. To specify a value in ASCII, enclose
    the value string in quotation marks (" ").