user returns the user id of the current user. groups returns a character vector of the Linux security groups
user. is a member of.
pid, pgid and ppid return the process, group and
parent process ID numbers, respectively, of the current Rprocess.
killProcess kills a specified process.
pwd returns the process working directory.
runningLinux is shorthand for Sys.info()["sysname"] == "Linux".
runningWindows is shorthand for .Platform$OS.type == "windows".
user()
groups(user. = user())
pid()
pgid()
ppid()
killProcess(pid)
pwd()
runningLinux()
runningWindows()