Several initialization statements and commands can use wildcards (a form of generic specification) to specify a subset that matches a combination of characters (mask). JES2 use two kinds of wildcards:

• Multiple-character wildcard, which is specified by an asterisk (*). The asterisk means zero or more characters of any kind can be used here. For example, AB* matches ABC, ABCDEFG, or ABCXXE.
  An example of using a multiple-character wildcard follows:

  Statement:  APPL(OUT33*) compact=1...
  
  Command:    $d node(out*),qheld=yes,qheld
   

• Single-character wildcard, which is specified by a question mark (?). The question mark means any single character can be used here. For example, ABC?E?? matches ABCDEFG or ABC1E23 but not ABCXXE.
  An example of using a single-character wildcard follows:

  Statement:  APPL(OUT?3?) compact=22,....
  
  Command:    $d node(out?A),qheld=yes,qheld

Each individual description of a JES2 initialization statement or JES2 command gives explicit details on how to use wildcards, if supported.