Learning the UNIX operating system - Todino, Grace. 4 0 16; 1961- Strang, John,;O'Reilly, Tim.; 5 (Sebastopol, CA : O'Reilly & Associates, 1987)
Includes index.
Keywords: 2 -- 0; 6; UNIX (Computer file).; Operating systems (Computers). -- 20; 20; 2