11. Typical operations performed by shell scripts include file manipulation, program execution , and printing text. 12. Program execution might be likened to reading a book.13. If the value of " CNRY " fails the test, program execution is ended immediately. 14. A "'job scheduler "'is a computer application for controlling unattended background program execution of jobs. 15. It uses formal methods-based static code analysis to verify program execution at the language level. 16. Therefore, to guarantee correct program execution , the above program can be rewritten to use locks: 17. The B4900 branch prediction history state is stored back into the in-memory instructions during program execution . 18. This would continue for all of program execution . 19. Together with Ole-Johan Dahl he developed classes, inheritance, virtual quantities and multi-threaded ( quasi-parallel ) program execution . 20. Program execution time tends to be very sensitive to the latency of a level-1 data cache hit.