TY  - BOOK
AU  - Sehgal, Umesh
TI  - Operating systems 
SN  - 9789350141069 (pbk)
U1  - 005.43 
PY  - 2011///
CY  - New delhi
PB  - S. K. kataria & sons
KW  - Operating systems
KW  - Microcomputers
KW  - communication
KW  - Memory management
KW  - Systems programming (Computer science)
KW  - Filing systems
KW  - FC
N1  - Includes Index
ER  -