ZiLOG Z80-RIO Operating System User's Manual page 11

PREFACE
This manual provides an introduction and user's manual
for the RIO operating system used with Zilog's Micro
(ZDS). Detailed description is provided for system
features, including the bootstrap process, the RIO
Executive, default console drivers, I/O structure,
program interface, and the Zilog Floppy Disk File System,
ZDOS, and the Zilog Hard Disk File System, DFS.
Other pertinent documentation with which the reader may
want to become familiar includes:
zaO-MCZ PROM User's Manual
zaO-ZDS PROM User's Manual
zaO-RIO Relocating Assembler and Linker User's Manual
zaO-RIO Text Editor User's Manual
This manual makes use of the following conventions of
notation:
Optional portions of a modifier are enclosed
in brackets, [].
The symbol for logical or, 'I "
is used if either
option can be issued. STATUS [0 I 1 ••• 7] means
the command can be issued as STATUS 0, STATUS 1, .••
STATUS 7, or simply as STATUS.
Parameters which can be repeated zero or more times
are enclosed in parentheses and followed by an
asterisk - e.g., (filename)*.
Parameters which can be repeated as necessary
but must appear at least once are enclosed in
parentheses and followed by a plus sign - e.g.,
(filename)+.
- vii -