Command_Parameters

subgroup-expression

   Specifies one or more groups to be inserted into a second group
   (indicated by group-expression). A subgroup expression can be a
   group name, a wildcard expression, or a list of these separated by
   commas.

group-expression

   Specifies the group into which subgroup-expression is to be
   inserted. A group expression can be a group name, a wildcard
   expression, or a list of these separated by commas.

remark

   Specifies a character string to be logged in the history file
   with this command, usually used to explain why the command was
   entered. The remark is enclosed in quotation marks. If no remark
   was entered, a null remark ("") is logged.