Paae of As Updated April 1, by TNt GN25-0826
Any "Class Any" CMSSubset CPCommand LOGON"" Any CMS Subset Command
Any CP Command
HX RETURN + #CP Command line
/ .---.. CP Environment 1 / CMS Environment V CMS EDIT Environment
Any CP Command
2
Any CMS Command Any CMS EDIT IPL CMS Any CP Subcommand
BEGIN
3 / CMS EDIT tnft FILE orOUIT r--- EXTERNAL Execute any OS or Any CMS EDIT Macro CMS Program CMS SET DOS ON INPUT INPUT MODE r- DEBUG #CP Command line
#CP Command line t Any Input line
Carrier return or null line
#CP Command line DEBUG Environment CMS/DOS Environment I- Any CMS Command Any CMS/DOS Command GO Any CP Command
#CP Command line .--- Execute any DOS Program No .... :
#CP Command line
1. The CP environment may be entered from anv other environment
using your terminal's Attention key or equivalent, or by entering t command #cPo either by
he
2. Any CP command that is valid for your privilege class. Any time a CP
command can be entered. il may be prefixed by #CP.
Program Execution 3. The BEGIN command returns your virtual machine to the environ -- was in when CP was entered. For example:
ment it HX or (Abend) . If you were in edit or input mode, the current line pointer rem lint (Breakpoint) unchanged.
(Address Stop) . If you were exe-cuting 8 program, execution resumes as the inst address indicated in the PSW.
ruction Fiqure 1. Environments and Mode Switching 24 IBM VM/370 eMS User's Guide

Section 3. What You Can Do with VM/370-CMS Commands
This section provides an overview of the CMS and CP command languages,
and describes the various commands within functional areas, with
examples. The commands are not presented in their entirety, nor is a
complete selection of commands represented. When you finish reading this section you should have an understanding
of the kinds of commands available to you, so that when you need to
perform a particular task using CMS you may have an idea of whether it
can be done, and know what command to reference for details. For
complete lists of the CP and CMS commands available, see "Appendix A: Summary of CMS Commands" and "Appendix B: Summary of CP Commands." Command Defaults Many of the characteristics of your CMS virtual machine are already
established when you log on, but there are commands available so you can
change theme In the case of many CMS commands, there are implied values
for operands, so that when you enter a command line without certain
operands, values are assumed for them. In both of these instances, the
values set or jmplied are considered default values. As you learn CP
and CMS commands, you also should become familiar with the default
values or settings for eache Commands to Control Terminal Communications Using VM/370, you control your
terminal. VM/370 provides a
communications.
virtual machine directly
set of commands for ESTABLISHING AND TERMINATING COMMUNICATIONS WITH VM/370 from your
terminal
To initiate your communication with VM/370, use the CP LOGON command:
cp logon sam
optionally, you may enter your password on the same line
1
:
cp logon sam 123456 When you are sure that your communication line is all right and you have
difficulty logging on (for example, someone else has logged on under
your userid), you can use the CP MESSAGE command:
cp message sam this is sam ••• pls log off INote that the password cannot be entered on the command line if the
password suppression facility was specified at sysgen. Section 3. What You Can Do With VM/370-CMS Commands 25