I get this error when trying to set up a virtual environment using cmd on windows 10 - virtualenv

'setprojectdir' is not recognized as an internal or external command,
operable program or batch file.
I have activated the environment and was following this tutorial

setprojectdir is a command from virtualenvwrapper. Do you have virtualenvwrapper-win installed? Check its bat-files are in the %PATH%.

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After setting variable showing this error again 'mongo is not recognized as an internal or external command, operable program or batch file

I have installed mongodb and put a path in environment variable.When i use cmd it still throwing error which is 'mongo' is not recognized as an internal or external command,
operable program or batch file.
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The mongo executable is deprecated and no longer available in 6.0.
Keep in mind this is just the shell, mongod is the binary that runs the database.
mongosh is the new shell.
Look in C:\Program Files\MongoDB\Server\6.0\bin to see the binaries that exist.

Error 'mongodump' is not recognized as an internal or external command, operable program or batch file

I have read the documentation and followed the steps to run mongodump on windows machine, but still getting this error.
I tried to set the path using this command set path="C:\Program Files\MongoDB\Server\4.4\bin" and added the path in environmental variables but still getting the error. What should I do ?

PostgreSQL 9.5.1 fails to install on Windows 7 64 bit

Both 64 bit and 32 bit installers fail with the message:
There has been an error.
The environment variable COMSPEC does not seem to point the cmd.exe or there
is a trailing semicolon present. Please fix this variable and restart installation.
I checked the COMSPEC variable and there doesn't seem to be a problem. I double checked with:
%COMSPEC%" /C "echo test ok"
Everything seems ok. I am lost here. Couldn't find anything to help. I am also attaching the installer log:
Log started 03/15/2016 at 10:37:37
Preferred installation mode : qt
Trying to init installer in mode qt
Mode qt successfully initialized
Executing D:\TEMP/postgresql_installer_79c6abfe43/temp_check_comspec.bat
Script exit code: 1
Script output:
Script stderr:
'"D:\TEMP\POSTGR~1\TEMP_C~1.BAT"' is not recognized as an internal or external command,
operable program or batch file.
Error running D:\TEMP/postgresql_installer_79c6abfe43/temp_check_comspec.bat : '"D:\TEMP\POSTGR~1\TEMP_C~1.BAT"' is not recognized as an internal or external command,
operable program or batch file.

'git' is not recognized as an internal or external command, operable program or batch file?

When I run "php composer.phar update" command, I got
"'git' is not recognized as an internal or external command,
operable program or batch file."
I have installed Git client and added PATH environment variable.
If you run "git" command in terminal, it works?
Maybe your PATH variable it's wrong.

errors using unix('who') in matlab

My matlab can't recognise the unix('who'); it returns as
the 'who' is not an internal or external command, operable program or batch file
and other unix-like command also cannot run either.
I think you are on a Windows machine. Try some windows commands with system. like system('dir').