Pull a single package to upgrade it to the latest version.
Pull a package and all of its dependencies.
Upgrade all of your active packages.
Activate the upgraded version of a package while Emacs is running.
Check packages to see if their files have changed since the last build and rebuild them if necessary.
Unconditionally rebuild all packages.
Use interactively to list and install packages (available only to current session unless included in init.el
).