TY  - BOOK
AU  - Sarwar, Syed Mansoor. ,
AU  - Sarwar, Syed Aqeel.,
AU  - Koretsky, Robert. ,
TI  - Unix : the textbook
SN  - 9788131716009
U1  - 005.44621 SAR 
PY  - 2007///
CY  - New Delhi
PB  - Pearson Education
N1  - Includes bibliographical references and index.
ER  -