sudo cd /<folder name>
?
Your post has me puzzled because when you open terminal, it puts you in /Users/<username>, not /bin/bash. /bin/bash is the shell you're using.
Sounds like you're trying to do some Android rooting; this looks like it could end very badly (based on my perception of your experience with terminal commands and root access.) Good luck!




) but I am usually pretty good at following directions...
)
