1) Use R Help on these calls and answer queries below:

- setwd: What is the argument to this function?

help(setwd)
## starting httpd help server ... done

Argument: dir = A character string: tilde expansion will be done.

- getwd: What is returned from this function?

help(getwd)

Description: getwd returns an absolute filepath representing the current working directory of the R process

- save(): What is the " list " mean for this function?

help(save)

Arguments: list = A character vector containing the names of objects to be saved.

- save.image: What does the function option " compress = T " do?

help(save.image)

Arguments: It compresses all the paths when saving using gzip, bzip2 of xy

2) From help(options) consider and implement 2-3 possible options for your R session
help(options)
options("defaultPackages")
## $defaultPackages
## [1] "datasets"  "utils"     "grDevices" "graphics"  "stats"     "methods"
options("repos")
## $repos
##     CRAN 
## "@CRAN@"