z/OS TSO/E Customization
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Changing variables for Application Manager

z/OS TSO/E Customization
SA32-0976-00

The non-display panel ICQSIEAM contains the variables for customizing Application Manager functions. You can change the variables to:
  • Customize the interaction between system, group, and private levels of administration
  • Specify the high-level qualifier for group table data set names
  • Specify the allocation characteristics for group and private table data sets
  • Specify the low-level qualifier of the data set used for hierarchy displays
  • Control the report width for hierarchy displays
Table 1 describes the variables that you can change and lists their default values.
Table 1. Variables for customizing Application Manager functions
Variable Contents Default value
QAMINVOK Specifies whether the application invocation processing is to search any higher-level libraries for an available version of an application that is marked unavailable at the current level. Values may be 'YES' or 'NO'. If an application is unavailable or unverified, and the value of QAMINVOK is 'NO', processing stops and a message is returned indicating the application is unavailable. The QAMINVOK variable affects searches for environments and requests for hierarchy display in the same manner.

If QAMINVOK is set to 'YES', unavailable applications appearing within the hierarchy listing are marked as unavailable. If QAMINVOK is set to 'NO', only the first available application is shown.

'NO'
QAMUNACE Specifies if you can copy or export unavailable applications from higher levels of administration. Values may be 'YES' or 'NO'.

If an attempt is made to copy or export an unavailable application from a higher level, the variable QAMUNACE is interrogated. If the value of QAMUNACE is 'NO', the action is not allowed and an error message is displayed.

'NO'
QAMUNVCE Specifies if you can copy or export unverified applications from higher levels of administration. Values may be 'YES' or 'NO'.

If an attempt is made to copy or export an unverified application from a higher level, the variable QAMUNVCE is interrogated. If the value of QAMUNVCE is 'NO', the action is not allowed and an error message is displayed.

'NO'
QAMUNVVW Specifies if you can view unavailable or unverified applications from higher levels of administration. Values may be 'YES' or 'NO'.

If an attempt is made to view an unavailable or unverified application from a higher level, the variable QAMUNVVW is interrogated. If the value of QAMUNVVW is 'NO', the action is not allowed and an error message is displayed.

'NO'
QAMRECOV Specifies whether a particular library allocation is to be saved across several nested or split-screen sessions for a user. It applies only to data sets allocated via the Application Manager LIBRARIES option. Values may be 'YES' or 'NO'.

Specifying 'YES' increments the library allocation count for a single user by one. The count is saved in table ICQAMUSE. If an error occurs in one nested or split-screen session the count is decremented by one. An attempt is made to save the allocation if the count is not down to zero.

For example, if an error occurs and QAMRECOV is set to YES, ICQAMUSE is checked. If ICQAMUSE is greater than one (an allocation is being used by more than one application), an attempt is made to save the allocation.

Specifying 'NO' does not maintain the library allocation count and does not save ICQAMUSE after each update. If an error occurs, no attempt is made to save the allocation, and the allocation may be lost.

'YES'
The following variables are used to customize the hierarchy display function.
QAMHIER Low-level qualifier of generated report data set for hierarchy list. 'HIERARCH.LST'
QAMHRECL Width of the hierarchy display. The default value of 80 supports the ability to display 17 levels of indentation or hierarchy. Eighty is also the maximum length field that can be fully viewed on most terminals. 80
The following variable defines the first portion of the group tables data set names.
QAMGPREF High-level qualifier of data sets that contains group level tables for administrators and users. 'ICQGROUP'
The following customizable values are used in the allocation of new group and private level table data sets. The strings that are used must be valid specifications to the ALLOCATE command and must conform to ISPF requirements for its table data sets.
QAMALPVT Allocation characteristics of private application libraries.

'NEW DSORG(PO)
RECFM(F B)
LRECL(80)
BLKSIZE(3120)
DIR(10)
SPACE(60,15)'

QAMALGRP Allocation characteristics of group application libraries.

'NEW DSORG(PO)
RECFM(F B)
LRECL(80)
BLKSIZE(3120)
DIR(20)
SPACE(30,10)'

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