# Library() is used to load a package to the current R session
#use library({package})at command line
#Example-  library("MASS")

library()

#Listing loaded packages
#search() can be used to list all the loaded packages
search ()

#options() will give a list of available option
options()

#options(digits=3). 
#The above will change the existing option.Earlier by default digits was 7 and now its 3.