df.exe does not report status of network filesystems like SMB, NFSv3, NFSv4.2 (ms-nfs41-client), CephFS, ...
$ df.exe
Filesystem 1K-blocks Used Available Use% Mounted on
\?\Volume{f6d90251-0739-4aa9-a981-408113eb268c}\ 401980180 270931472 131048708 68% C:
\?\Volume{9f160871-d1b8-11ef-8c9b-806e6w6e6963}\ 6010038 6010038 0 100% D:\
Cygwin and MSYS2 df.exe eport all filesystems:
$ df -k
Filesystem 1K-blocks Used Available Use% Mounted on
C:/cygwin64 401980180 270931584 131048596 68% /
H: 1953514584 1774552848 175195264 92% /cygdrive/h
D: 6010038 6010038 0 100% /cygdrive/d
E: 31997344 2723256 29274088 9% /cygdrive/e
F: 123869696 45786728 78082968 37% /cygdrive/f
I: 1953514584 1774552848 175195264 92% /cygdrive/i
J: 500107608 303016512 182767216 63% /cygdrive/j
L: 500107608 303016512 182767216 63% /cygdrive/l
M: 500107608 303016512 182767216 63% /cygdrive/m
O: 500107608 303016512 182767216 63% /cygdrive/o
P: 500107608 303016512 182767216 63% /cygdrive/p
R: 436336 0 436336 0% /cygdrive/r
T: 436336 0 436336 0% /cygdrive/t
df.exe does not report status of network filesystems like SMB, NFSv3, NFSv4.2 (ms-nfs41-client), CephFS, ...
$ df.exe
Filesystem 1K-blocks Used Available Use% Mounted on
\?\Volume{f6d90251-0739-4aa9-a981-408113eb268c}\ 401980180 270931472 131048708 68% C:
\?\Volume{9f160871-d1b8-11ef-8c9b-806e6w6e6963}\ 6010038 6010038 0 100% D:\
Cygwin and MSYS2 df.exe eport all filesystems:
$ df -k
Filesystem 1K-blocks Used Available Use% Mounted on
C:/cygwin64 401980180 270931584 131048596 68% /
H: 1953514584 1774552848 175195264 92% /cygdrive/h
D: 6010038 6010038 0 100% /cygdrive/d
E: 31997344 2723256 29274088 9% /cygdrive/e
F: 123869696 45786728 78082968 37% /cygdrive/f
I: 1953514584 1774552848 175195264 92% /cygdrive/i
J: 500107608 303016512 182767216 63% /cygdrive/j
L: 500107608 303016512 182767216 63% /cygdrive/l
M: 500107608 303016512 182767216 63% /cygdrive/m
O: 500107608 303016512 182767216 63% /cygdrive/o
P: 500107608 303016512 182767216 63% /cygdrive/p
R: 436336 0 436336 0% /cygdrive/r
T: 436336 0 436336 0% /cygdrive/t