[petsc-dev] WSL upgrade

[Satish Balay]

here is another observation. One cannot go back and forth between WSL and windows processes..

<from cmd.exe>

C:\Users\balay>bash
balay at mb:/mnt/c/Users/balay$ cmd.exe
Microsoft Windows [Version 10.0.15063]
(c) 2017 Microsoft Corporation. All rights reserved.

C:\Users\balay>bash

 O p e r a t i o n   n o t   s u p p o r t e d .
 P r e s s   a n y   k e y   t o   c o n t i n u e . . .

Satish