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List ways to share files among directories in operating systems.
a. Copy file from one account into another.
b. Link directory entry of "copied" file to directory entry of original file.
c. Copy directory entry of file into account file is "copied" into.
Mention some attractive properties of semaphore? The Semaphores aren't provided by hardware. However they have numerous attractive properties: Machine indep
Explain with an example the need of Shift Alteration in critical section problem? Consider processes P i and P j and consider the algorithm for P i and P j .
Q. The term "fast wide SCSI-II" signifies a SCSI bus that operates at a data rate of 20 megabytes per second when it moves a packet of bytes among the host and a device. Presume t
There are three kinds of Data Abstraction: Physical level: The minimum level of abstraction defines how data are saved. Logical level: The next bigger level of a
Explain a boot control block A boot control block can have the information required by the system to boot an operating from that partition. If the disk does not have an operati
Q. Why do some systems stay track of the type of a file while others leave it to the user or simply don't implement multiple file types? Which system is "better?" Answer: A f
What advantages are there to this two-level directory? Users are isolated from each other. Users have more freedom in choosing file names.
how the system call is work?
What is process control block? Every process is represented in the OS by a process control block. It has many pieces of information associated with an exact process.
How can deadlocks be represented? Deadlocks are able to be described in terms of a directed graph called as a system resource-allocation graph. This graph contains of the foll
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