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The following characters have special meanings to ZShell.

  "  "   Double quotes. Used to enclose strings with spaces.
         eg "hello world".
  ^n     Hat character. Prefixes a control character letter (n).
         Used in  ASK , ECHO & ALIAS  commands. eg ^L   <-clear screen
  %n     Percent prefixes a number (0-7) to specify an optional
         parameter for command aliases. Used in  ALIAS  command.
         Can also be used to specify prompt arguments. See  PROMPT .
  $n     Dollar prefixes a number (0-7) and corresponds to an
         optional parameter specified with %n (above).
  *?~[]|  Wild card  characters. * matches 0 to n characters. ? matches
         one character, ~ negates the following wild card, and [ ]
         surround a class of characters to match.
  n     Backslash prefixes a special character, whose meaning you
         want ignored. eg.  echo "hello "fred""  (hello "fred")
  ;      Semi-colon seperates multiple commands on one line.
         eg. cd df1:;dir
  >       redirect  output.
  <       redirect  input.
  >>      redirect  append output.