TY  - GEN
AU  - Donovan,John J.
TI  - System programming / 
U1  - 001.6/42 
PY  - 1972///
CY  - New Delhi : 
PB  - Tata McGraw-Hill Publishing Company Limited, 
KW  - System Programming
KW  - Systems programming (Computer science)
KW  - C (Computer program language)
KW  - C (langage de programmation).
KW  - UNIX (Computer file)
ER  -