Multiple Rstudio sessions running different versions of R

RStudio IDE
1

Is it possible to run multiple RStudio sessions simultaneously each running different versions of R?

I am on Ubuntu Linux. I have already setup multiple versions of R with separate libraries on my system which seems to work fine.
To change R for RStudio, I change export RSTUDIO_WHICH_R="/usr/bin/R-3.6.0" and restart RStudio to change R version. This is not ideal. It would be great if I could just create couple of Rstudio shortcuts on my desktop to start up Rstudio with an R version. Any tips to do so?

Would such a setup conflict? Would they be completely independent? Would each Rstudio session remember the open files etc?

Thanks

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