check                   Check for and fix common mistakes in .Rprofile
current_script          Gets the pathname of the currently running
                        startup script
install                 Install and uninstall support for .Renviron.d
                        and .Rprofile.d startup directories
is_ess                  Checks whether running R via Emacs Spekas
                        Statistics (ESS) or not
is_microsoftr           Checks if running R in Microsoft R Open
is_pqr                  Checks if running pqR (A Pretty Quick Version
                        of R)
is_radian               Checks whether running R via radian (formerly
                        known as rtichoke and rice) or not
is_rstudio_console      Checks if running R in RStudio Console or
                        RStudio Terminal
is_wine                 Checks whether running R on Windows using Wine
                        or not
on_session_enter        Register functions to be evaluated at the
                        beginning or end of the R session
renviron_d              Load .Renviron.d and .Rprofile.d directories
                        during the R startup process
reset_when_cache        Reset all or parts of the "when" cache
restart                 Restarts R
startup.options         Options and environment variables used by the
                        'startup' package
startup_session_options
                        Record R session information as options
sysinfo                 Information on the current R session
warn                    Produce a warning
