• pip3 is the Python3 version of pip
  • pip is the Python2 version

Commands

packages and modules are synonyms in this excerpt use pip or pip3 for your case

search package

pip search (package name here)

install package

pip install (package name here)

upgrade all installed packages

pip upgrade-all

uninstall package

pip uninstall (package name here)

list all packages

pip list

list all packages installed
(in requirements format)

pip freeze