Related to command purpose
environment conda activate <envname>  
environment conda activate py35 WINDOWS activate
environment conda create --clone ... --name ... Make exact copy of an environment …
environment conda create env --prefix C:\ProgramData\Anaconda3\envs\… Install an env at specific path
environment conda create --name ...  
environment + Create a new environment named … , install Python #.#
environment conda deactivate Deactivate the current environment
environment conda env list  
environment conda env list Get a list of all my environments, active environment is shown with *
environment conda env remove --name <env> Delete an environment and everything in it:
environment conda install -n my_env python add python to this env
environment conda install --revision 2 Restore environment to a previous revision
environment conda list List all packages and versions installed in active environment
environment conda list --explicit > ....txt Save environment to a text file
environment conda list --revisions List the history of each change to the current environment
environment conda source activate ... LINUX, macOS
environment conda source deactivate Deactivate the current environment macOS, LINUX:
help conda ... --help Must be installed and have a deployable command,
help ... --help Command line help
ide conda ... Launch an anaconda ide from the ide, for example Spyder* . be in conda env
install conda install ...  
install conda install -c conda-forge .. conda-forge is an additional channel from which packages may be installed
install conda config --add channels conda-forge
conda config --set channel_priority strict
always install from conda forge
install conda config --show channels show additional channels which can be used to install
install with pip pip install ...  
install with pip pip install ...==##.##.##  
packages conda list See list of all packages in Anaconda environment
packages conda search ... https://docs.anaconda.com/anaconda/packages/pkg-doc
pip conda install pip this package is necessary in new environments
pip pip uninstall <package> Uninstall a specific package:
requirements conda env create --file requirements.txt Create environment from a requirements text file
requirements conda install --force-reinstall -y -q --name … -c conda-forge --file requirements.txt install requirements to specific env
requirements conda install --yes --file requirements.txt conda install requirements to current environment
requirements pip install -r pip_requirements.txt Install pip requirements file
requirements conda list -e > conda_requirements.txt create conda requirements file
requirements pip freeze > pip_requirements.txt create pip requirements file
revert conda install ...=#.#.# revert a specific package
update conda update ... Update any installed program
update conda conda update conda (must be run in base env)  
update conda conda update -n base -c defaults conda  
update python conda install python=<3.8.3.>  
update python conda search python  
update python conda update python  
version conda info version
version conda search python
conda install python=#.#.#
change python version eg 3.7.13
setup python setup.py install