This section includes directory, variable, library, and migration features specific to UNIX and Linux operating systems. “Teradata Tools and Utilities Directory Layout” on page 23 “Changes to Runtime Environment Variable Settings” on page 23 “System Library and Driver Directories” on page 23 “ODBC Driver Library” on page 24 “ODBC Integrated Directories” on page 24 “ODBC Legacy Migration” on page 25