TY  - BOOK
AU  - Groff,James R.
AU  - Weinberg,Paul N.
TI  - Understanding UNIX: a conceptual guide 
SN  - 0880220643
PY  - 1983///
CY  - Indianapolis : 
PB  - Que Corp., 
KW  - UNIX (Computer file).
KW  - UNIX (Computer file)
N1  - Includes index
ER  -