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What is the purpose of the command interpreter? Why is it usually separate from the kernel?
It reads commands from the user or from a file of commands and executes them, usually by turning them into one or more system calls. It is regularly not part of the kernel as the command interpreter is subject to changes.
Define approaches that require knowledge of the system state? Answer: Deadlock detection, Deadlock prevention, Deadlock Avoidance.
Q. Why do several systems store the operating system in firm ware and others on disk? Answer: For certain devices such like handheld PDAs and cellular telephones a disk with
Logical File System Responsible for providing the before discussed interface to the user including: File access. Directory operations. Security and protection.
code for implementing NFU page replacement algorithm
In which page replacement policy Balady’s anomaly occurs? FIFO (First in First Out)
Process termination A process terminates when it finishes implementing its final statement and asks the operating system to delete it by using the exit system call. At that tim
What is independent process? A process is independent it cannot influence or be affected by the other processes implementing in the system. Any process does not share data with
How is it different from the unbounded buffer algorithm ? Explain.
with the aid of diagrams describe the following os structures monolithic , layered, client server
Define the DosExecPgm Functions used in the OS/2 DosExecPgm (objBuffer, objLen, flags, cmdLine, env, &resultCode, execName) DosExecPgm function is designed to load an execut
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