STart TRANsfer ICP ATTN AUTOLOG CP DIAL
DEFine ECho FORCE HALT
IBDicate
Logon
Login LOGoff LOGout LOCI( Bessage Bsg ftOBitor ftSGBOH Start a unit record device, or restart a drained device, or
restart and change output classes that it may service (Class
D) • Direct an input spool file to or retrieve it from a
specified user's virtual card reader (Class G). Provide a means of inserting commentary in the stream of
virtual console input and output aessages (Class Any). Allow CP command execution while remaining in the virtual
iiiachine (Class Any) • Create an interruption pending froa the virtual console (Class G).
Provides a means to
virtual machine with
or B). automatically log IPL defined in its
on and load any directory (Class A Allow the user to key in CP commands following ·cp· while in
the C"S or virtual machine environment (Class Any).
Logically attach a user terminal to a multi-access ¥irtual systea (Class Any). Reconfigure one's own virtual machine (Class G). A terminal test facility that allows keyboard entered data
to be displayed back at the user's terminal (Class G).
Force the logoff of any virtual .achine (Class A). Stop any active channel program on a specified device (Class
A) • Displays use of and contention for major system resources (Glass E and G).
Gain access to a virtual systea frOB a user terminal (Class
Any).
Terminate user activity on a virtual machine (Class Any). Lock a user's pages in processor storage (Class A) • Send a specified message from
another (Class A, B, or Any).
one virtual machine to
Records system counters needed for performance measurement (Class A and E). Send a specified message, without the standard ftESSAGE header, froa one virtual machine to another (Class B).
222 V"1370 Operator's Guide

Cos.and NFT.ark HOTReady Query
Ready
REQuest REWind Set SHUTDOWN SLeep UHLOCK Warning ling 1!.E l anati2l! Provide loading, dumping, tracing, and other functions for
the 3704/3705 Co.munications Controller. Simulate the not-ready status on a virtual spooled unit
record or virtual console device (Class G). Provide status information on the real or virtual machine, and miscellaneous CP functions (Class A, B, C, D, E, P, and
G) • Simulate a ready (device end interruption) condition for a
specified virtual device (Class G). 8akes an interruption pending from the virtual console
(Class G).
Rewind a tape to the load point on a real device attached to
a user's virtual machine (Class G).
Establish systea parameters for virtual and real aachines,
as well as other V8/370 values (Class A, B, C, E6 P, and G).
Terminate V8/370 activity in
checkpoint the sistea (Class A). an orderly .anner and
place the virtual machine in a dormant state, with the
keyboard locked (Class Any).
Release previously locked page frames of real storage (Class
A). Transmit high priority messages or warnings to a user or all
users (Class A or B) • Appendix: Sumaary of CP Co •• ands 223