The following is a R shell session to plot a graph.


R version 3.0.3 (2014-03-06) -- "Warm Puppy"
Copyright (C) 2014 The R Foundation for Statistical Computing
Platform: x86_64-pc-linux-gnu (64-bit)

R is free software and comes with ABSOLUTELY NO WARRANTY.
You are welcome to redistribute it under certain conditions.
Type 'license()' or 'licence()' for distribution details.

  Natural language support but running in an English locale

R is a collaborative project with many contributors.
Type 'contributors()' for more information and
'citation()' on how to cite R or R packages in publications.

Type 'demo()' for some demos, 'help()' for on-line help, or
'help.start()' for an HTML browser interface to help.
Type 'q()' to quit R.

> timereal <- c(19,21,24,20,24) 
> timeuser <- c(16,16,20,12,12) 
> timesys <- c(0,4,0,4,8)
> timedata <- c(timereal,timeuser,timesys)
> png(filename="barplot-array-size-100-python.png")
> barplot(timedata,col=rainbow(5))
Fontconfig warning: "/etc/fonts/conf.d/65-droid-sans-fonts.conf", line 103: Having multiple values in  isn't supported and may not work as expected
Fontconfig warning: "/etc/fonts/conf.d/65-droid-sans-fonts.conf", line 138: Having multiple values in  isn't supported and may not work as expected
null device 

Wed Apr  2 21:06:24 IST 2014

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sys	0m0.004s

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real	0m0.030s
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real	0m0.032s
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sys	0m0.008s

real	0m0.028s
user	0m0.024s
sys	0m0.000s
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