TOPS-20 Monitor Calls User's Guide

TOPS-20 Monitor Calls User's Guide

Electronically Distributed

This manual describes the use of TOPS-20 monitor calls, which provide user programs with system services such as input/output, process control, file handling, and device control.

This manual supersedes the TOPS-20 Monitor Calls User's Guide published in June 1988. The order number for that document, AA-D859DM-TM, is obsolete.

Change bars in the margins indicate material that has been added or changed since the previous printing of this manual.

TOPS-20 Software Update Tape No. 04, November 1990

First Printing, May 1976
Revised, April 1982
Revised, September 1985
Revised, June 1988
Revised, November 1990

The information in this document is subject to change without notice and should not be construed as a commitment by Digital Equipment Corporation. Digital Equipment Corporation assumes no responsibility for any errors that may appear in this document.

The software described in this document is furnished under a license and may only be used or copied in accordance with the terms of such license.

No responsibility is assumed for the use or reliability of software on equipment that is not supplied by Digital Equipment Corporation or its affiliated companies.

Copyright C 1976, 1982, 1985, 1988, 1990 Digital Equipment Corporation.

All Rights Reserved.

The following are trademarks of Digital Equipment Corporation:

CI DECtape LA50 SITGO-10
DDCMP DECUS LN01 TOPS-10
DEC DECwriterLN03 TOPS-20
DECmail DELNI MASSBUS TOPS-20AN
DECnet DELUA PDP UNIBUS
DECnet-VAX HSC PDP-11/24 UETP
DECserver HSC-50 PrintServer VAX
DECserver 100KA10 PrintServer 40VAX/VMS
DECserver 200KI Q-bus VT50
DECsystem-10 KL10 ReGIS
DECSYSTEM-20 KS10 RSX d i g i t a l