First commit containing CP/M 3 help files

cpm3/01commands.help

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+
+  ///1commands
+
+  CP/M 3 Command Format:
+
+        A>COMMAND {command tail} <cr>
+
+  A CP/M 3 command line is  composed  of  a  command,  an  optional
+  command  tail, and a carriage return.  The command is the name or
+  filename of a program to be executed.  The optional command  tail
+  can   consist   of  a  drive  specification,  one  or  more  file
+  specifications, and some options or parameters.
+
+  ///2conventions
+               COMMAND CONVENTIONS
+
+  The following special symbols define command syntax.
+
+  {}   surrounds an optional item.
+  |    separates alternative items in a command line.
+  <cr> indicates a carriage return.
+  ^    indicates the Control Key.
+  n    substitute a number for n.
+  s    substitute a string (group) of characters for s.
+  o    substitute an option or option list for o.
+  []   type square brackets to enclose an option list.
+  ()   type parens to enclose a range of options within an option list.
+  RW   Read-Write attribute - opposite of RO
+  RO   Read-Only attribute - opposite of RW
+  SYS  System attribute - opposite of DIR
+  DIR  Directory attribute - opposite of SYS
+   ... preceding element can be repeated as many times as desired.
+  *    wildcard: replaces all or part of a filename and/or filetype.
+  ?    wildcard: replaces any single character
+       in the same position of a filename and/or filetype.
+