Facing issue while following step:4 'rm' is not recognized as an internal or external operable program or batch file.

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PS C:\Users\utkar\Desktop\Aaokm> npm run build

aaokm@1.0.0 build
rm -rf dist && babel backend -d dist && cd frontuild

'rm' is not recognized as an internal or external
operable program or batch file.
/d /s /c rm -rf dist && babel backend -d dist && cd frontend && npm install && npm
run build

npm ERR! A complete log of this run can be found in:
npm ERR! C:\Users\utkar\AppData\Local\npm-cache_logs\2021-01-06T11_21_21_306Z-debug.log

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after changing rm -rf into "rmdir" in win 10 its works but after that is shows different error
The system cannot find the file specified