$Sys::Filesystem::FSTAB: undefined
$fs->{fstab}: undefined
O/S 'cygwin' supported.
Using: Sys::Filesystem::Cygwin
Filesystems found:
        /
        /cygdrive/c
        /cygdrive/d
        /usr/bin
        /usr/lib
============================================================
Sys::Filesystem Object:
============================================================
bless({
  aliases     => {
                   boot_order      => ["fs_mntno"],
                   check_frequency => ["fs_freq"],
                   check_order     => ["fs_passno"],
                   device          => ["fs_spec", "dev"],
                   filesystem      => ["fs_file", "mount_point"],
                   format          => ["fs_vfstype", "vfs", "vfstype"],
                   label           => ["fs_label"],
                   mount_point     => ["fs_file", "filesystem"],
                   options         => ["fs_mntops"],
                   type            => ["fs_vfstype", "vfs"],
                   volume          => ["fs_volume", "fs_vol", "vol"],
                 },
  canondev    => undef,
  filesystems => bless({
                   "/" => {
                     device      => "C:/cygwin64",
                     fs_file     => "/",
                     fs_mntops   => "binary,auto",
                     fs_spec     => "C:/cygwin64",
                     fs_vfstype  => "ntfs",
                     mount_point => "/",
                     mounted     => 1,
                   },
                   "/cygdrive/c" => {
                     device      => "C:",
                     fs_file     => "/cygdrive/c",
                     fs_mntops   => "binary,posix=0,user,noumount,auto",
                     fs_spec     => "C:",
                     fs_vfstype  => "ntfs",
                     mount_point => "/cygdrive/c",
                     mounted     => 1,
                   },
                   "/cygdrive/d" => {
                     device      => "D:",
                     fs_file     => "/cygdrive/d",
                     fs_mntops   => "binary,posix=0,user,noumount,auto",
                     fs_spec     => "D:",
                     fs_vfstype  => "ntfs",
                     mount_point => "/cygdrive/d",
                     mounted     => 1,
                   },
                   "/usr/bin" => {
                     device      => "C:/cygwin64/bin",
                     fs_file     => "/usr/bin",
                     fs_mntops   => "binary,auto",
                     fs_spec     => "C:/cygwin64/bin",
                     fs_vfstype  => "ntfs",
                     mount_point => "/usr/bin",
                     mounted     => 1,
                   },
                   "/usr/lib" => {
                     device      => "C:/cygwin64/lib",
                     fs_file     => "/usr/lib",
                     fs_mntops   => "binary,auto",
                     fs_spec     => "C:/cygwin64/lib",
                     fs_vfstype  => "ntfs",
                     mount_point => "/usr/lib",
                     mounted     => 1,
                   },
                 }, "Sys::Filesystem::Cygwin"),
  fstab       => undef,
  mtab        => undef,
}, "Sys::Filesystem")
------------------------------------------------------------