Active Directory Federation Services (AD FS) 2.0 simplifies access to systems and applications by using a claims-based access (CBA) authorization mechanism to maintain application security. AD FS supports web SSO technologies that help information technology (IT) organizations collaborate across organizational boundaries.
Bash (Bourne Again Shell ) is the free version of the Bourne shell distributed with Linux and GNU operating systems. Bash is similar to the original, but has added features such as command line editing. Download this free guide.
sudo /bin/bash This means that you call sudo with the command /bin/bash. /bin/bash is started as non-login shell so all the dot-files are not executed, but bash itself reads .bashrc of the calling user. Your environment stays the same. Your home will not be root's home.