True if the Hacknet Node’s RAM is successfully upgraded, false otherwise.
## Remarks
RAM cost: 0 GB
Tries to upgrade the specified Hacknet Node’s RAM n times. Note that each upgrade doubles the Node’s RAM. So this is equivalent to multiplying the Node’s RAM by 2 n.
Returns true if the Hacknet Node’s RAM is successfully upgraded n times or if it is upgraded some positive number of times and the Node reaches its max RAM.