"cd.." command is not working ?
'cd..' is not recognized as an internal or external command, operable program or batch file.
how to fix it?
you missing space you should write
try to type an space between the cd command and the folder you want to change to
Be aware that
.. is like a shortcut representing the parent folder
Older versions of DOS/Windows support
cd.. (without space) but that is not the 'standar' way