CP-M_Users_Guide_3rd_Edition.pdf

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O s b o r n e /M c G r a w - H ill
THE O S B O R N E / M c G R A W - H I L L
Thom Hogan
The Osborne/McGraw-Hill
CP/M
User Guide
Third Edition
by Thom Hogan
O s b o rn e / M c G ra w -H ill
B erkeley, C a lifo rn ia
Published by
O sborne/ M cGraw-Hill
2600 Tenth Street
Berkeley, California 94710
U.S.A.
For inform ation on translations and book
distributors outside of the U.S.A ., please write to
O sborne/M cG raw -H ill at the above address.
THE OSBORNE/McGRAW-HILL CP/M ® USER GUIDE
C opyright® 1981, 1982, 1984 by M cG raw -H ill, Inc. All rights reserved. P rin ted in th e U nited S tates
o f A m erica. E xcept as perm itted u n d er th e C o pyright Act o f 1976, no p a rt o f this p u blication m ay be
rep ro d uced o r d istrib u ted in an y fo rm o r by any m eans, o r sto red in a d ata base o r retrieval system ,
w ith o u t th e p rio r w ritten perm ission o f th e publisher, w ith th e ex ception th a t th e p ro g ram listings
m ay be entered, sto red , an d executed in a co m p u ter system , b u t they m ay not be rep ro d uced for
publication.
1234567890
DODO
8987654
ISB N 0-88134-128-2
K aren H anso n , A cquisitions E dito r
R a lp h B aum gartner, T echnical E dito r
Ellen G uethlein Silge, C opy E ditor
KLT van G enderen, T ext D esign
Yashi O k ita, C over D esign
P h o to g ra p h y by R ichard C ash and H arvey S chw artz
A n earlier v ersion o f this b o o k was reviewed fo r technical co n ten t by W illiam F airm an of F aircom
a n d D oug H uskey o f D igital R esearch. T echnical ed ito rs w ere C u rtis A. In g rah a m an d M artin
McNiff. C o m p osition al e d ito r was D enise E .M . Penrose.
H ogan, T h o m , 1952-
T he C P / M User G uide: F or all C P / M -80 an d C P / M -PLU S Users
B ibliography: p 267
Includes index.
1. C P /M (C o m p u ter prog ram ) 2. O p eratin g System s (C om puters)
I. Title. II. T itle: C P /M user guide
C P /M , C P /M -8 0, C P /M -86, and CBASIC are registered tradem arks of Digital
Research. C P /M -P L U S , M P /M , M P /M -86, SID , CB-80, MAC, P L /1-80, PL/1,
and P a sca l/M T + are tradem arks of Digital Research.
The Osborne/McGraw-Hill
CP/M ® User Guide
is not sponsored or approved by or connected with Digital
Research. All references to C P /M , C P /M -80, C P /M -86, C P /M -P L U S , M P /M ,
M P /M -8 6, SID , CB-80, MAC, P L /1-80, PL/1, P a sc a l/M T + , and CBASIC in the
text of this book are to the tradem arks and registered tradem arks of Digital
Research.
The italicized nam es are tradem arks of the following companies (with registered
tradem arks denoted by ®):
Apple®
and
Apple® I I
are registered tradem arks of Apple Com puter, Inc.
d B A S E II®
is a registered tradem ark of A shton-Tate.
ATARI®
is a registered tradem ark of A tari, Inc.
U N IX
is a tradem ark of AT & T.
Commodore®
is a registered tradem ark of Com m odore Business M achines, Inc.
Condor
is a tradem ark of C ondor C om puters, Inc.
Cromemco®
is a registered tradem ark o f C rom em co, Inc.
Nevada CO BO L
and
Nevada F O R T R A N
are tradem arks of Ellis C o m puting.
FORTH®
is a registered tradem ark of FO RTH , Inc.
IBM®, IBM ® 3740,
and
IBM® PC D O S
are registered tradem arks of International
Business M achines C orporation.
Pascal/2
is a tradem ark of Ithaca Intersystems, Inc.
WordStar®
is a registered tradem ark of M icroPro International C orporation.
Microsoft® B A S IC
is a registered tradem ark of M icrosoft C orporation.
N orth Star
is a tradem ark of N orth S tar Computer, Inc.
O nyx
is a tradem ark of Onyx Systems, Inc.
Osborne®
is a registered tradem ark of the O sborne C om puter C orporation.
Peach Text
and
M agic Wand
are tradem arks of Peachtree Software, Inc.
P M A T E
is a tradem ark of Phoenix Software.
R adio Shack
is a tradem ark of Radio S hack/T andy C orporation.
SuperCalc®
is a registered trad em ark of Sorcim C orporation.
Texas Instruments®
is a registered tradem ark of Texas Instrum ents, Inc.
Vector Graphic®
is a registered tradem ark of Vector Graphic, Inc.
VisiCalc®
is a registered tradem ark of VisiCorp.
Z80®
is a registered tradem ark of Zilog, Inc.
This book is dedicated to Lore H arp, Carole Ely, Steve Jobs, Steven W ozniak,
G ary Kildall, and Seym our Rubenstein, who gave me the tools to write it.
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