The SSH protocol enables three major classes of remote server activities: a) command execution (including a login shell), b) network forwarding and manipulation, and c) file transfer.
In this article you will learn two techniques to enable these suppressed features, by either modifying strings in the sftp binary itself, or by redirection through shells that are able to easily edit the command line. Depending upon the capabilities of the platform, either technique might be required to achieve this goal.