00519 a2200181 4500 131253 OSt 20210909122750.0 005.43 S64A Singhal, Mukesh Advanced concepts in operating systems by Mukesh Singhal and Niranjan G. Shivaratri New Delhi Tata McGraw Hill 2011 522p. Computer Science; Operating system Shivaratri, Niranjan G. ddc BK 5777 5777 0 0 ddc 0 0 TXB CURAJ CURAJ 2012-06-08 CSC 450.00 6 005.43 S64A 7331 2026-09-06 2026-07-08 2026-07-08 2020-09-02 BK