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Q. What are the three main activities of an operating system in regard to secondary-storage management?
Answer:
1) Free-space management
2) Storage allocation
3) Disk scheduling
Q. The RC 4000 system as well as other systems have defined a tree of processes (called a process tree) such that all the descendants of a process are given resources (objects) as
How many disk operations are needed to fetch the i-node for the file /usr/ast/courses/os/handout.t? Assume that the i-node for the root directory is in memory, but nothing else alo
Define the OS/2 threads code The sample program in Listing is very similar to the NetWare example. OS/2 commands are substituted for the pseudocode commands controlling thread
Define ‘LRU’ page replacement policy LRU is Least Recently Used page replacement policy.
Operations that are to be performed on a directory are Search for a file: We are able to find all files whose names match a exact pattern. Create a file: New files requi
how to solve queing theory step by step
socket based fortune teller sever.your program should create a server that listens to a specific port when a client receives a connection the server should respond with a random fo
8(5-3)-20=
Q. Why is it significant to balance file system I/O among the disks as well as controllers on a system in a multitasking environment? Answer: A system can perform mere
What is the information associated with an open file? Various pieces of information are associated with an open file which may be: File pointer Disk location of th
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