IBM Professional Series User Manual page 41

You will have to follow the instructions on the list screen (or
refer to the instructions screen using the 'F9' key) and decide
about each file on the list.
You will want to 'SAVE' a file if it is used by VM/PC and
contains information that should NOT be over-written
during the installation process.
You will want to 'REPLACE' a file if it is used by VM/PC
but contains information that you are willing to have
over-written by the installation process.
You will want to 'RENAME' a file if it is NOT to be used by
VM/PC and it contains information that should NOT be
over-written during the installation process.
Decisions to 'REPLACE' a file and to 'SA VB' a file are not
acted upon until you complete the list, so they can be
changed as often as you like prior to pressing ENTER.
However, decisions to 'RENAME' a file are handled
differently. After pressing the 'F2' key, you will be
prompted for the new name to be assigned the existing file.
Once you enter the new name, the installation program
attempts to rename the file immediately. If the rename
attempt fails, you will see an explanatory message. If the
rename attempt succeeded, the status field on the list will be
changed to 'RENAMED'. Once a file has been successfully
renamed, you cannot use the list screen to 'RENAME' it
again. Also, the installation program will not let you use the
'RENAME' key to change the name of one of your existing
files to a name that is already in use.
When you have made a decision for each file on the list
screen, you press the ENTER key to notify the installation
process that it can proceed. The installation process will
change itself (if necessary) to prevent the installation of the
files you chose to 'SA VB'. For this reason, some of the
step-by-step instructions described above may be bypassed.
2-18 VM/PC Users Guide