TY  - BOOK
AU  - Peek Jerry . 
AU  - Todino Grace
TI  - Learning the unix operating systems
SN  - 13:978-81-7366-423-6 
U1  - 005.43 
PY  - 2015///
CY  - Beijing
PB  -  O Reilly 
KW  - Engineering
ER  -