msulogin is the single-user mode login program
used to force the console user to login under a
root account before a shell is started. Unlike
other implementations of sulogin, this one
supports having multiple root accounts on a
system. msulogin has been developed as a part of
Openwall GNU/*/Linux and is being made available
separately primarily for use by other
distributions. Currently, msulogin supports only
systems with getspnam(3).
