RMVSYSLIBE REMOVE SYSTEM LIBRARY LIST ENTRY TAALIBQ
The Remove System Library List Entry command allows a user job to
remove a library from the system portion of the library list for the
current job. The only libraries that are valid to be removed are
those that the Security Officer has identified in the RMVSYSLIBE data
area in TAASECURE. The data area is shipped with no libraries
specified. The data area should be updated with the EDTCONARR TAA
Assume the Security Officer has specified LIB32 in the RMVSYSLIBE
data area and that it exists on the system portion of the library
list. The following command removes LIB32:
The intent of RMVSYSLIBE is to allow the placement of an optional
library on the system portion of the library list. Users can remove
the library if they do not need it or it causes conflicts with other
functions that appear in libraries lower in the library list.
System library list
The system portion of the library list can be changed by changing the
system value QSYSLIBL. This only impacts new jobs.
The system command CHGSYSLIBL can be used to change the list during a
job, but this is a very security sensitive function. CHGSYSLIBL is
shipped by the system so that it is only authorized to QSECOFR. The
command should not be made public.
CHGSYSLIBL allows any library to be added or removed from the system
portion of the library list. Not only can the improper use of the
command cause application problems, but improper use can also impact
the security and integrity of the system.
When a library is added to the system portion of the library list, it
is always placed in front of QSYS. This can be a cause of
significant security and integrity considerations.
If you have a library that you want to be optional on the system
portion of the library list, authorizing a user to CHGSYSLIBL
probably provides a method of removing it, but at a considerable loss
The tool RMVSYSLIBE allows you to have an optional library that users
can remove without giving up control.
The user does not have to be authorized to the CHGSYSLIBL command
(the CPP adopts the QSECOFR profile).
Although RMVSYSLIBE is available for *PUBLIC use, the command does
not cause any function to occur unless the Security Officer takes an
overt action to describe the library in the RMVSYSLIBE data area.
QSYS can never be removed.
There is no corresponding function to place the optional library back
on the system portion of the library list so that it appears after
If you need to add the library back to the library list, consider the
use of the CHGPRDLIB TAA tool.
Command parameters *CMD
LIB The library to be removed.
QSYS can never be removed.
The following TAA Tools must be on your system:
CONARR Constant array
The tool is ready to use, but any libraries to be removed must be
specified in the RMVSYSLIBE data area in TAASECURE. Use the
Objects used by the tool
Object Type Attribute Src member Src file
------ ---- --------- ---------- ----------
RMVSYSLIBE *CMD TAALIBQ QATTCMD
TAALIBQC *PGM CLP TAALIBQC QATTCL
Added to TAA Productivity tools May 1, 1996