AT&T UNIX System Software Readings

Ingres User Guide Visual Programming Tools RDMS for Unix

Hegner - Intelligent Help Systems for UNIX - New paperback or softback - X555z

The Linux Programming Interface: A Linux and UNIX System Programming Handbook HC

Essential System Administration : Help for UNIX System Administrators

Hayden Books Unix System Library: UNIX Shell Programming

SCO Open Systems Software Unix OS System Administration Reference User Reference

User's Reference Manual/System Administrator's Reference Manual, UNIX System Lab