I'm not sure if this is the best place to address this question, but not sure where else to turn: I've been exploring RStudio using the Bioconductor ami, ami-b5a079dc, and running a micro instance (this has Bioconductor 2.10 and R 2.15 in the instance). I've been able to run RStudio. However, I can't change into a different directory, e.g. setwd('/root'), that is accessible when you login via ssh. Motivation is that I would like to be able to save data in a different directory or on a different mounted EBS volume. Is this a situation where I need to change some of the permissions? If so, which one? Thanks (and apologies if there is an obvious answer to this, since I'm a newbie with Linux). Thanks, Andrew