How to mount a qnx partition as read -write enabled only for executing particular lines of code?

Question

ie the partition of interest is already mounted as read-only.the partition need to be mounted as a rw enabled partition for executing particular lines of script alone.After that the partition should go to it's previous state of read only.

Answer 1

To remout a partition read-write:

mount /mnt/mountpoint -oremount,rw

and to remout read-only

mount /mnt/mountpoint -oremount,ro