TY  - BOOK
AU  - Walker, A. N.
TI  - The UNIX environment
SN  - 9780471905642
U1  - 001.642 WAL 
PY  - 1984///
CY  - Chichester ; New York
PB  - Wiley
KW  - A N Walker
KW  - The UNIX environment
KW  - UNIX (operating system) -- Shell -- Kernel
KW  - Programming
ER  -