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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.
What are the common strategies to select a free hole from a set of available holes? The most common methods are a. First fit b. Best fit c. Worst fit
Define what a macro definition consists of
Question: OS Installation / File system a) Why is NTFS portioning preferred over FAT16 or FAT32 when security is of primary concern? b) State a situation or an application w
One reason to learn C and C++ is simply that so much software is written in these languages. A related, butmore fundamental reason, is that C and C++ are relatively low-level, allo
Q. What kinds of services does the process manager provide? Define local procedure call? Answer: The process manager offers services for creating and deleting and using proce
are ''ASIC'' embeded systems
Explain system-wide open-file and per-process open-file The system-wide open-file table have a copy of the FCB of each open file, as well as other information. The per-pr
What are the system components of an operating system and explain them? a) Process management b) Main-memory management c) I/O management d) File management e) Seco
Linked allocation With linked allocation, every file is a linked list of disk blocks; the disk blocks might be scattered anywhere on the disk. The directory has a pointer to th
Define the Scheduling in Multitasking Earlier we learned the concepts and advantages of multitasking. In a system in which one or more tasks( threads or processes) attempt to s
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