TY  - BOOK
AU  - Mark G. Sobell
TI  - A Practical Guide to Ubuntu Linux
SN  - 0137003889
U1  - 005.432 SOB 
PY  - 2009///
CY  - .- Boston
PB  - :Prentice Hall
KW  - Computers
KW  - Operating Systems
KW  - Linux
ER  -