TY  - BOOK
AU  - Twitty,William B..
TI  - Unix : on the IBMPC / 
SN  - 0139390758
U1  - 005.432U 
PY  - 1987///
CY  - New Delhi : 
PB  - Galgotia Publishers , 
KW  - OPERATING SYSTEMS (COMPUTERS)-UNIX
N1  - NULL
ER  -