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