[R] system: Linux vs. Windows differences

[Alberto Monteiro]

[I tried to send this messages two days ago, but I guess I mistyped the To: 
address...]

Why "system" is different in Linux and Windows? Both in R 2.4.1, but in 
Windows there is an option:

  system(something, wait = FALSE)

while on Linux (Fedora Core 4), there is no such option?

Alberto Monteiro