what is the administrator equivalent account in linux called
Superuser In Unix-like computer OSes, root is the conventional name of the user who has all rights or permissions (to all files and programs) in all modes (single- or multi-user). Alternative names include baron in BeOS and avatar on some Unix variants.[2] BSD often provides a toor ("root" written backward) account in addition to a root account.[3] Regardless of the name, the superuser always has a user ID of 0. The root user can do many things an ordinary user cannot, such as changing the ownership of files and binding to network ports numbered below 1024.
Corporate title Within the corporate office or corporate center of a company, some companies have a chairman and chief executive officer (CEO) as the top-ranking executive, while the number two is the president and chief operating officer (COO); other companies have a president and CEO but no official deputy. Typically, senior managers are "higher" than vice presidents, although many times a senior officer may also hold a vice president title, such as Executive Vice President and Chief Financial Officer (CFO). The board of directors is technically not part of management itself, although its chairman may be considered part of the corporate office if he or she is an executive chairman.