Command 'EXTernal Ipl RESET SPool STore SYStem TERMinal COllmand i3ickspac CHange
Close
DRain
Flush
FRee
HOld ORDer PUrge REPeat SPAce SPool Simulate an external interruption condition for a virtual machine and return control to that .achine (Class G) • Initiate a program load for a virtual machine (Class G).
Clear all pending interruptions on a specified device (Class
G) • Allow the starting or stopping of virtual console spooling
as well as the alteration of other spooling control options
(Class G). Alter registers and storage of a virtual machine (Class G). Initiate the virtual Vft/370 console functions of clear, System Reset, and PSi Restart (Class G).
Redefine the user's terminal input characteristics and
attention interruption handling capabilities (Class G). l!.E1anat,i.QD Restart or backspace the output of a unit record spooling
device (Class D).
Alter one or more attributes of a closed spooled file (Class
D and G).
Terainate a spooling operation on a virtual console, reader,
printer, or punch (Class G). Stop spooling activity on the specified device after the
current file in operation reaches termination (Class D). Eliminate and halt the current file output on the specified
real unit record device (Class D) • Release spool HOLD status from previously held files for
real BDR, PUB, and PTB devices (Class D) • Defer file output to the real RDB, PTR, and PUB devices
(Class D).
Redefine the order of closed spool files (Class D and G).
Bemove spooled file(s) before reading, punching, or printing
(Class D and G).
Add to the number of copies of an output printer or punch
file on a real unit-record device (Class D). Force single space on the printer, regardless of carriage
control codes contained in the file (Class D).
Change spooling control options on a given device or group
of devices and also starting or stopping of console spooling
(Class G).
Appendix: Summary of CP Co •• ands 221

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