It's hard to ask a question about linux distros in general, because some might... but, this is my experience with it, using primarily Ubuntu 14.04 server every day at work, setting up and configuring servers.
There's not one that comes preinstalled (unless you select it at the last point of the install process - install software), but the most popular and used ssh server/client (at least afaik) is OpenSSH. As for FTP, no there isn't one that's preinstalled either, but the one at that same install software menu in the installation is
If you tell me what linux distro you're using, I can do a little more digging to see if one comes preinstalled on that, but from my experience, not necessarily. :)