TY  - BOOK
AU  - kelly، stan
TI  - understanding unix
SN  - 9780782114997
U1  - 005.432 21
PY  - 1994///
CY  - san francisco
PB  - sybex
KW  - UNIX (Computer file)
KW  - Operating systems (Computers)
N1  - Includes index
ER  -