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What are Tree-structured directories
We can generalize the directory structure to a tree of arbitrary height. This permits the user to create their own sub directories and to classify their files accordingly. The tree has a root directory. Each file in the system has a unique path name. A path name is the path from the root, by all the subdirectories, to a specified file.
Parent and Child process communicate in unix A child and parent can interact through any of the normal inter-process communication schemes (pipes, message queues, sockets, s
Question: (a) (i) What is a microkernel? Describe the benefits of using microkernels. (ii) How does a microkernel-based operating system differ from a traditional operating
Q. Some untimely computers protected the operating system by placing it in a memory partition that couldn't be modified by either the user job or the operating system itself. Expl
Question: (a) Explain the similarities and differences between two different threads running in the same process and two independent processes. When would you want to use two t
Explain working of the logical file system The logical file system manages metadata information. Metadata contains all of the file-system structure, excluding actual data. It h
Define UNIX device driver The UNIX device driver is structured into two halves called top half and bottom half
RESOURCE ALLOCATION GRAPH When a process Pi wishes an instance of resource type Rj, a request edge is inserted in the resource allocation graph. When this request is able to be
what are the threds in operating system?
Q. Could you replicate a multilevel directory structure with a single-level directory structure in which arbitrarily long names can be used? If your answer is yes describe how you
Define what is Dispatcher In the Worker Model, it is the task of the Dispatcher to spawn a thread for every client-to-server connection. The Dispatcher acts as the go-between o
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