Library privilege levels determine the borrowing limits on the number of items that may be checked out by categories of patrons, through consultation and approval with the UCSD Academic Senate Library Committee.

With LAN Manager user-level security, one of three settings - user, admin, or guest - assigned for each user account, that defines the range of actions a user can perform on the network. See also admin privilege.

A hardware-supported feature of the 80286–80486 processors that allows the programmer to specify the exclusivity of a program or process. Programs running at low-numbered privilege levels can access data or resources at higher-numbered privilege levels, but the reverse is not true. This feature reduces the possibility that malfunctioning code will corrupt data or crash the operating system.