How to find out which package version is loaded in R?

Question

I am in a process of figuring out how to use my university cluster. It has 2 versions of R installed. System wide R 2.11 (Debian 6.0) and R 2.14.2 in non-standard location.

Answer 1

Use the following code to obtain the version of R packages installed in the system:

installed.packages(fields = c ("Package", "Version"))