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virtualenv — Create virtual isolated Python environments. More information: <https://virtualenv.pypa.io/en/latest

Submitted by: @import:tldr-pages·Mar 2, 2026·

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virtualvirtualenvcreatecommandenvironmentspythoncliisolated

Problem

How to use the virtualenv command: Create virtual isolated Python environments. More information: <https://virtualenv.pypa.io/en/latest/cli_interface.html>.

Solution

virtualenv — Create virtual isolated Python environments. More information: <https://virtualenv.pypa.io/en/latest/cli_interface.html>.

Create a new environment:

virtualenv {{path/to/venv}}

Customize the prompt prefix:

virtualenv --prompt {{prompt_prefix}} {{path/to/venv}}

Use a different version of Python with virtualenv:

virtualenv {{[-p|--python]}} {{path/to/pythonbin}} {{path/to/venv}}

Start (select) the environment:

source {{path/to/venv}}/bin/activate

Stop the environment:

deactivate

Code Snippets

Create a new environment

virtualenv {{path/to/venv}}

Customize the prompt prefix

virtualenv --prompt {{prompt_prefix}} {{path/to/venv}}

Use a different version of Python with virtualenv

virtualenv {{[-p|--python]}} {{path/to/pythonbin}} {{path/to/venv}}

Start (select) the environment

source {{path/to/venv}}/bin/activate

Stop the environment

deactivate

Context

tldr-pages: common/virtualenv

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