Hej Aug!

 A> This is the split that had a clear 2GB limit:
 A>
 A> K:\YT>split --version
 A> split (GNU textutils) 2.0

I haven't seen the textutils version in AGES now.  It has been part of coreutils for at least a decade, probably more.

  :read !split --version
split (GNU coreutils) 9.5
Copyright (C) 2024 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later .
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.

Written by Torbj”rn Granlund and Richard M. Stallman.

Het leven is goed,
Maurice

 o-   o-   o-   o-  -o    o-  -o    o-  -o    o-  -o   -o    o-   o-  -o    o-
/)   /)   /)   /)    (\  /)    (\  /)    (\  /)    (\   (\  /)   /)    (\  /)
^^   ^^   ^^   ^^    ^^  ^^    ^^  ^^    ^^  ^^    ^^   ^^  ^^   ^^    ^^  ^^
... Lieve zestien pingu‹ns van de Apocalyps.
--- GNU bash, version 5.2.32(1)-release (x86_64-pc-linux-gnu)