Here is what I ended up doing. Creating a putty session with locked size. Aso using the vi as designed it works well. I have included the putty.defs, putty.notes and vi.notes. Now everything is fine. Thanks for your help. See attachments Getting System-V-r2-VAX780: For those running Arch the tar file is here. Simply download, untar cd to it , type in ./unix https://drive.google.com/file/d/1XToKXIxZvs9LKNerkVbTNspMik7OnLrs/view?usp=drive_link For other 64 bit Unix's use this image https://drive.google.com/file/d/1L-M8dGXogDpKutR0fpSkOkaEfNNH-1SZ/view?usp=drive_link Getting System-V-r3-3b2-700 64bit: https://drive.google.com/file/d/16zJrq3USLFAVnoGtbh4GCIj685o_UQER/view?usp=drive_link The above packages do not require any special software. It is all self contained. -ken On Sun, Dec 17, 2023 at 6:08 PM Warner Losh wrote: > > > On Sun, Dec 17, 2023, 4:00 PM Ron Natalie wrote: > >> That’s not entirely true. The VT100 could switch modes from 80x24 to >> 132x14 (the latter was pretty ugly) or with the AVO 132x24. >> > > I recall some VMS programs in v3.2 misbehaving when run in 132x24 mode... > > Warner > > ------ Original Message ------ >> From "Mary Ann Horton" >> To tuhs@tuhs.org >> Date 12/17/23, 5:51:00 PM >> Subject [TUHS] Re: Compatibility question >> >> The concept of a resizable window didn't appear until GUI interfaces. >> Originally the hardware terminal had one specific size and vi depended on >> the screen being that exact size. I suspect that SVr2 was in that category, >> as the Sun merger of SVr4 would have been the reason to incorporate it. So >> try a 24x80 window and see if it behaves. >> >> >> -- End of line JOB TERMINATED