z/VM: CP Commands and Utilities Reference - z/VM - IBM

QUERY LINES
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Query
Authorization
Purpose
Operands
LInes
Usage Notes
ACTive
ALL
ATTach
BOXed
FREe
OFFline
userid
Privilege Class: B
Use QUERY LINES to display the status of real communication lines.
ACTive
indicates active communication lines. An active device is one in use by a user
or the system and specified as neither FREE nor OFFLINE.
ALL
indicates all communication lines attached to the system. The status is
displayed in ACTIVE, FREE, and OFFLINE order and is equivalent to the
response you would receive if you entered all of the following commands:
query lines active
query lines free
query lines offline
QUERY LINES
ATTach userid
indicates the communication lines that are dedicated to a user on the system. If
you specify userid, only lines attached to that user’s virtual machine are
indicated. If you do not specify userid, you receive the status of all lines
dedicated to any user on the system. Attached devices are always active.
BOXed
indicates the communication lines that are unavailable (usually because of a
hardware condition). A boxed line may also be active, free, or offline.
FREe
indicates all free communication lines. A free line is one that is not currently in
use by a user or the system and is specified as neither ACTIVE nor OFFLINE.
OFFline
indicates all offline communication lines. An offline communication line is one
specified as neither ACTIVE nor FREE.
1. The QUERY LINES, QUERY LINKS, and QUERY VIRTUAL LINES commands
share the two possible abbreviations "LI" and "LIN". If you are authorized to
issue these commands, it is recommended that you specify at least 4 character
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Chapter 2. CP Commands 845