z/VM Education: How to Customize Your Logon Screen

This video describes how to update your z/VM logon screen. Learn how to add a custom logo, and how to edit the online messages and input area.

Introduction (0:00)
Setup (0:20)
Edit the status message area (2:28)
Editing the online message (4:23)
Editing the input area (8:17)
Editing the logo area (16:11)
Outro (20:39)

Setup:
Running a second level system or first level. 
The maint user has the following statement in the user directory
MDISK   CF0  3390 000 END parmdiskname MR ALL ALL ALL

The system config has a
USER_VOLUME_LIST statement for the parm disk so the disk is mounted at initialization.

Commands used:
To link/access your parm disk to write the logo changes. It’s usually accessed as file mode R after this command - but use the file mode returned by this command for the remainder of the video.This allows the parm disk to be readable/writeable from CMS.
VMLINK MAINT CF0 ( WRITE

To release the file mode and detach the parmdisk link so you can make it accessible to CP
RELEASE R ( DETACH

Access the parm disk so it’s available to CP
CPACCESS MAINT CF0 B

Refresh the logo config used by CP which resides on the CF0 parm disk
CP REFRESH LOGO LOGO CONFIG

Release the disk for CP access so you can make it accessible to CMS again
CPRELEASE B

Copy a file from my A disk to a VMLINK'd parm disk as filemode R
COPYFILE TARDIS LOGO A = = R

Sample tools used:
The DRAWLOGO sample program is shipped with a file type of SAMPEXEC. The X$DRWL$X sample XEDIT macro has a file type of SAMPXEDI. By default these files are loaded onto the CP samples disk, 2C2, owned by user MAINTvrm (where vrm is the z/VM® version, release, and modification level) if z/VM was loaded to minidisk. It is on VMPSFS:MAINTvrm.CPDV.SAMPLE, if z/VM was loaded to filepool.

To use the DRAWLOGO utility, you must change its file type from SAMPEXEC to EXEC and change the file type of X$DRWL$X from SAMPXEDI to XEDIT. 

Books Reference:
z/VM 7.2 CP Planning and Administration Guide - Chapter 6: The System Configuration File and Chapter 7: The Logo Configuration File

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