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Explain about threading issues?
The fork and exec system calls
In a multithreaded program of few UNIX systems have chosen to have two versions of fork, one that duplicates each threads and another that duplicates only the thread that raised the fork system call. If a thread raised the exec system call, the program specified in the parameter to exec will change the entire process.
Define the properties operating systems: Batch :- Jobs with similar needs are batched together and run through the computer as a group by an operator or automatic job sequenc
Determine a scheduling policy that is most suitable for a time-shared operating system Round-Robin is a scheduling policy that is most suitable for a time-shared operating s
Determine a parser which is a variant of top-down parsing without backtracking Recursive Descend parser is a variant of top-down parsing without backtracking.
What is a Dispatcher? The dispatcher is the module that gives control of the CPU to the process selected by the short- term scheduler. This function includes: Switching
Consider a demand-paging system with the following time-measured utilizations: CPU utilization: 10%, Paging disk: 98%, Other I/O devices: 5%. What does this imply? How to improv
Q. Consider a system in which a program is able to be separated into two parts: code and data. The CPU recognizes whether it wants an instruction (instruction fetch) or data (data
Explain Swapping Swapping is a method of temporarily removing inactive programs from the memory of computer system.
Consider a particular system that does not have an interrupting clock. The only way a thread can lose the processor is to voluntarily surrender it. Additionally, the operating sy
Sir i want formulas in Memory management starting from paging till the demang paging in a easy manner for solving problems in competitive exams
Virtual file systems The file-system execution having of three major layers. The first layer is the file-system interface, based on the open, read, write and close calls and fi
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