This review of public domain software (written by individuals who release programs for free copying and distribution) focuses on disk utility programs which deal with the manipulation of files on disks (finding, moving, changing, viewing, organizing, storing). Sources for identifying programs and three addresses for software distribution are…

Describes a videodisc-based information display system in which a computer terminal is used to search the online PATSEARCH database from a remote host with local microcomputer control to select and display drawings from the retrieved records. System features and system components are discussed and criteria for system evaluation are presented.…