In addition to those on its well-known list of 200+ new features, OS X Mountain Lion also brings along a handful of new UNIX commands and binaries. Most are probably outside the scope of Ask Different (e.g. commands concerning Radius Authentication, Kerberos or Berkeley DB maintainance) but some of them may prove valuable to (aspiring) power users out there. As always, you will find more information in the corresponding man pages.
This is a great addition to the UNIX shell level: a tool to create, modify and delete share points (aka shared directories). In its most basic form it can be used like this to add a share for a specific directory on afp, ftp and smb/Samba: …