R.Version                package:base                R Documentation

Version Information

Description:

     `R.Version()' provides detailed information about the version of R
     running. 
     `R.version' is a variable (a `list') holding this information (and
     `version' is an `.Alias' to it for S compatibility), whereas
     `R.version.string' is simple `character' string, useful for
     plotting, etc.

Usage:

     R.Version()
     R.version
     R.version.string

Value:

     `R.Version' returns a list with components 

platform: the platform for which R was built.  Under Unix, a triplet of
          the form CPU-VENDOR-OS, as determined by the configure
          script.  E.g, `"i586-unknown-linux"'.

    arch: the architecture (CPU) R was built on/for.

      os: the underlying operating system

  system: CPU and OS.

  status: the status of the version (e.g., `"Alpha"')

status.rev: the status revision level

   major: the major version number

   minor: the minor version number

    year: the year the version was released

   month: the month the version was released

     day: the day the version was released

language: always `"R"'.

See Also:

     `machine'.

Examples:

     R.version$os # to check how lucky you are ...
     plot(0) # any plot
     mtext(R.version.string, side=1,line=4,adj=1)# a useful bottom-right note

