The Pkg.status() is a function that prints out a list of currently installed packages with a summary. This is handy when you need to know whether the package you want to use is installed or not. When the Pkg command is run for the first time, the package directory is automatically created. The command requires that the Pkg.status() function returns a valid list of the packages installed. The list of packages given by the Pkg.status() function are of registered versions, which are managed by Pkg. We currently have lots of packages installed, whose versions we can check, given as follows:
The Pkg.installed() function ...
