TY  - BOOK
AU  - Bach, Maurice J,
ED  - AT and T Information Systems.
TI  - Design of the UNIX operating system
T2  - Prentice-Hall international editions
SN  - 0132017997
U1  - 005.43 BAC 
PY  - 1990///
CY  - Englewood Cliffs
PB  - Prentice-Hall PTR.
N1  - Includes index; Bibliography: p. 454-457
ER  -